21240789570

Names of 21240789570

• Cardinal: 21240789570 can be written as Twenty-one billion, two hundred forty million, seven hundred eighty-nine thousand, five hundred seventy.

Scientific notation

• Scientific notation: 2.124078957 × 10¹⁰

Factors of 21240789570

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 148

Divisors of 21240789570

• Number of divisors d(n): 1280
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 17 18 21 22 23 26 27 30 33 34 35 39 42 45 46 51 54 55 63 65 66 67 69 70 77 78 81 85 90 91 99 102 105 110 115 117 119 126 130 134 135 138 143 153 154 161 162 165 170 182 187 189 195 198 201 207 210 221 230 231 234 238 253 255 270 273 286 297 299 306 315 322 330 335 345 351 357 374 378 385 390 391 402 405 414 429 442 455 459 462 469 483 495 506 510 546 561 567 585 594 595 598 603 621 630 663 670 690 693 702 714 715 737 759 765 770 782 805 810 819 858 871 891 897 910 918 935 938 945 966 990 1001 1005 1035 1053 1071 1105 1122 1134 1139 1155 1170 1173 1190 1206 1242 1265 1287 1309 1326 1365 1377 1386 1407 1430 1449 1474 1485 1495 1518 1530 1541 1547 1610 1638 1683 1742 1755 1771 1782 1785 1794 1809 1863 1870 1890 1955 1989 2002 2010 2070 2079 2093 2106 2142 2145 2210 2211 2277 2278 2295 2310 2345 2346 2415 2431 2457 2530 2574 2613 2618 2691 2730 2737 2754 2805 2814 2835 2898 2970 2990 3003 3015 3082 3094 3105 3213 3289 3315 3366 3417 3465 3510 3519 3542 3570 3618 3685 3726 3795 3861 3910 3927 3978 4095 4158 4186 4221 4290 4301 4347 4355 4422 4455 4485 4554 4590 4623 4641 4690 4830 4862 4914 5005 5049 5083 5159 5226 5265 5313 5355 5382 5427 5474 5610 5670 5695 5865 5967 6006 6030 6097 6210 6237 6279 6426 6435 6545 6578 6630 6633 6831 6834 6885 6930 7035 7038 7245 7293 7370 7371 7590 7705 7722 7735 7839 7854 7973 8073 8190 8211 8415 8442 8602 8694 8710 8855 8910 8970 9009 9045 9246 9282 9315 9581 9639 9867 9945 10010 10098 10166 10251 10318 10395 10465 10530 10557 10626 10710 10787 10854 11055 11385 11390 11583 11730 11781 11934 12155 12194 12285 12474 12529 12558 12663 12870 12903 13041 13065 13090 13266 13455 13662 13685 13770 13869 13923 14070 14490 14586 14742 14807 15015 15147 15249 15410 15470 15477 15678 15939 15946 16065 16146 16422 16445 16830 16951 17017 17085 17595 17710 17901 18018 18090 18291 18630 18837 19162 19278 19305 19635 19734 19890 19899 20033 20493 20502 20790 20930 21105 21114 21505 21574 21735 21879 22110 22770 23023 23115 23166 23205 23517 23562 23919 24219 24310 24570 24633 25058 25245 25326 25415 25795 25806 26082 26130 26197 26565 26910 27027 27135 27370 27738 27846 28743 29601 29614 29835 30030 30107 30294 30485 30498 30753 30954 31185 31395 31671 31878 32130 32361 32890 33165 33902 34034 34155 34170 35190 35343 35581 35802 36465 36582 36855 37587 37674 37989 38610 38709 39195 39270 39798 39865 40066 40365 40986 41055 41607 41769 42210 43010 43470 43758 44421 45045 45747 46046 46230 46410 46431 47034 47817 47838 47905 48195 48438 49266 49335 50490 50830 50853 51051 51255 51590 52394 52785 53130 53935 54054 54270 54873 55913 56511 57486 57915 58905 59202 59670 59697 60099 60214 60970 61506 62370 62645 62790 63315 63342 64515 64722 65205 65637 66330 67067 68310 69069 69345 69615 70551 70686 71162 71757 72930 73710 73899 74035 75174 75735 75978 76245 77385 77418 78390 78591 79695 79730 80730 81081 82110 83214 83538 84755 85085 86229 87703 88803 88842 89505 90090 90321 91455 91494 92259 92862 94185 95634 95810 96390 97083 98670 99495 100165 101706 102102 102465 102510 103649 105570 106029 106743 107870 109395 109746 111826 112761 113022 115115 115830 116127 117585 117810 118657 119394 119595 120198 121095 123165 124821 125290 125307 126630 129030 130410 130985 131274 133263 134134 135135 137241 138138 138690 139230 139293 140231 141102 143451 143514 143715 147798 148005 148070 150535 151470 152490 152559 153153 153765 154770 157182 158355 159390 161805 162162 162877 164619 167739 169510 169533 170170 172458 175406 176715 177606 177905 179010 180297 180642 182910 183379 184518 187935 188370 189945 193545 194166 196911 198990 200330 201201 204930 207207 207298 208035 208845 212058 213486 215271 218790 220363 221697 222105 225522 228735 230230 232155 232254 235170 235773 237314 239085 239190 242190 246330 249642 250614 254265 255255 258687 261970 263109 266409 266526 270270 270963 274365 274482 278586 279565 280462 282555 286902 287430 288167 291249 296010 298485 300495 301070 305118 306306 307530 310947 316710 320229 323610 325754 328185 329238 335335 335478 338283 339066 340561 345345 348381 352755 353430 355810 355971 358785 360594 366758 369495 375870 379890 387090 391391 392955 393822 399789 402402 405405 411723 414414 416070 417690 417879 420693 430542 431145 438515 440726 443394 444015 444210 451605 457470 457677 459459 461295 464310 471546 478170 485415 488631 493857 503217 508530 510510 517374 518245 526218 530145 532818 533715 540891 541926 548730 550137 559130 563805 565110 576334 580635 582498 593285 596970 600990 603603 621621 621894 624105 626535 640458 645813 656370 661089 666315 670670 676566 681122 686205 690690 696465 696762 701155 705510 707319 711942 717255 717570 738990 762795 765765 776061 782782 785910 789327 799578 810810 812889 814385 823095 823446 835758 838695 841386 847665 862290 864501 873747 877030 888030 901485 903210 915354 916895 918918 922590 932841 960687 970830 977262 984555 987714 1006005 1006434 1014849 1021683 1036035 1036490 1060290 1067430 1067913 1076355 1081782 1100274 1101815 1108485 1127610 1140139 1161270 1174173 1178865 1186570 1199367 1207206 1243242 1248210 1253070 1262079 1291626 1293435 1315545 1322178 1332045 1332630 1354815 1372410 1373031 1378377 1392930 1402310 1414638 1434510 1440835 1456245 1465893 1509651 1525590 1531530 1542541 1552122 1554735 1578654 1601145 1622673 1625778 1628770 1646190 1650411 1677390 1691415 1695330 1702805 1729002 1741905 1747494 1779855 1802970 1810809 1833790 1864863 1865682 1921374 1956955 1969110 1983267 1998945 2012010 2017169 2029698 2043366 2058615 2072070 2089395 2103465 2121957 2135826 2152710 2203630 2216970 2280278 2288385 2297295 2348346 2357730 2367981 2383927 2398734 2438667 2443155 2469285 2516085 2524158 2586870 2593503 2631090 2664090 2704455 2709630 2746062 2750685 2756754 2798523 2881670 2882061 2912490 2931786 3018015 3019302 3065049 3085082 3108105 3109470 3202290 3203739 3229065 3245346 3300822 3305445 3382830 3405610 3420417 3483810 3522519 3536595 3559710 3621618 3729726 3746171 3786237 3880305 3913910 3946635 3966534 3997890 4034338 4064445 4117230 4178790 4206930 4243914 4322505 4368735 4397679 4528953 4576770 4594590 4627623 4664205 4735962 4767854 4803435 4877334 4886310 4938570 4951233 5032170 5074245 5108415 5187006 5339565 5408910 5432427 5501370 5597046 5700695 5764122 5870865 5949801 5996835 6036030 6051507 6130098 6216210 6310395 6407478 6458130 6610890 6840834 6865155 6891885 7045038 7073190 7103943 7151781 7329465 7492342 7548255 7572474 7712705 7760610 7780509 7893270 8113365 8128890 8252055 8395569 8645010 8737470 8795358 9054045 9057906 9195147 9255246 9324315 9328410 9606870 9611217 9902466 9916335 10085845 10148490 10216830 10261251 10567557 10609785 10679130 10864854 11238513 11358711 11401390 11741730 11839905 11899602 11919635 11993670 12103014 12193335 12620790 12967515 13193037 13730310 13783770 13882869 13992615 14207886 14303562 14410305 14658930 14853699 15096510 15325245 15425410 15561018 16018695 16226730 16504110 16791138 17102085 17612595 17849403 18108090 18154521 18390294 18648630 18730855 18931185 19222434 19832670 20171690 20522502 21135114 21219570 21455343 21988395 22477026 22644765 22717422 23138115 23341527 23679810 23839270 24386670 24756165 25935030 26223197 26386074 27162135 27585441 27765738 27985230 28820610 29707398 29749005 30257535 30650490 30783753 31702671 32037390 33715539 34204170 35225190 35519715 35698806 35758905 36309042 37461710 37862370 38902545 41648607 41977845 42910686 43976790 45289530 45975735 46276230 46683054 48056085 49512330 51306255 52446394 52837785 54324270 54463563 55170882 56192565 56793555 59498010 60515070 61567506 63405342 64366029 65965185 67431078 69414345 71039430 71517810 74268495 77805090 78669591 83297214 83955690 89247015 90772605 91951470 92351259 96112170 101146617 102612510 105675570 107276715 108927126 112385130 113587110 116707635 124945821 128732058 131115985 131930370 137927205 138828690 148536990 153918765 157339182 158513355 163390689 168577695 178494030 181545210 184702518 193098087 202293234 208243035 214553430 233415270 236008773 249891642 262231970 272317815 275854410 303439851 307837530 317026710 321830145 326781378 337155390 386196174 393347955 416486070 461756295 472017546 505733085 544635630 606879702 624729105 643660290 708026319 786695910 816953445 923512590 965490435 1011466170 1180043865 1249458210 1416052638 1517199255 1633906890 1930980870 2124078957 2360087730 3034398510 3540131595 4248157914 7080263190 10620394785 21240789570
• Sum of all divisors σ(n): 85990367232
• Sum of proper divisors (its aliquot sum) s(n): 64749577662
• 21240789570 is an abundant number, because the sum of its proper divisors (64749577662) is greater than itself. Its abundance is 43508788092

Bases of 21240789570

• Binary: 10011110010000011001011101001000010₂
• Hexadecimal: 0x4F20CBA42
• Base-36: 9RA7U4I

Squares and roots of 21240789570

• 21240789570 squared (21240789570²) is 451171141557020784900
• 21240789570 cubed (21240789570³) is 9583231277869360648177133493000
• The square root of 21240789570 is 145742.2024329261
• The cube root of 21240789570 is 2769.4288930205

Scales and comparisons

• 21,240,789,570 seconds is equal to 675 years, 20 weeks, 2 days, 11 hours, 19 minutes, 30 seconds.
• To count from 1 to 21,240,789,570 would take you about one thousand, three hundred fifty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 21240789570 cubic inches would be around 230.8 feet tall.

Recreational maths with 21240789570

• 21240789570 backwards is 07598704212
• 21240789570 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21240789570's digits is 45
• More coming soon!