21572943840

Names of 21572943840

• Cardinal: 21572943840 can be written as Twenty-one billion, five hundred seventy-two million, nine hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.157294384 × 10¹⁰

Factors of 21572943840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 251

Divisors of 21572943840

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 27 28 30 32 35 36 40 42 45 46 48 49 54 56 60 63 69 70 72 80 81 84 90 92 96 98 105 108 112 115 120 126 135 138 140 144 147 160 161 162 168 180 184 189 196 207 210 211 216 224 230 240 245 252 270 276 280 288 294 315 322 324 336 343 345 360 368 378 392 405 414 420 422 432 441 460 480 483 490 504 540 552 560 567 588 621 630 633 644 648 672 686 690 720 735 736 756 784 805 810 828 840 844 864 882 920 945 966 980 1008 1029 1035 1055 1080 1104 1120 1127 1134 1176 1242 1260 1266 1288 1296 1323 1372 1380 1440 1449 1470 1477 1512 1568 1610 1620 1656 1680 1688 1715 1764 1840 1863 1890 1899 1932 1960 2016 2058 2070 2110 2160 2205 2208 2254 2268 2352 2415 2484 2520 2532 2576 2592 2646 2744 2760 2835 2898 2940 2954 3024 3087 3105 3165 3220 3240 3312 3360 3376 3381 3430 3528 3680 3726 3780 3798 3864 3920 3969 4116 4140 4220 4320 4347 4410 4431 4508 4536 4704 4830 4853 4968 5040 5064 5145 5152 5292 5488 5520 5635 5670 5697 5796 5880 5908 6048 6174 6210 6330 6440 6480 6615 6624 6752 6762 6860 7056 7245 7385 7452 7560 7596 7728 7840 7889 7938 8232 8280 8440 8694 8820 8862 9016 9072 9261 9315 9495 9660 9706 9936 10080 10128 10143 10290 10339 10584 10976 11040 11270 11340 11394 11592 11760 11816 12348 12420 12660 12880 12960 13041 13230 13293 13524 13720 14112 14490 14559 14770 14904 15120 15192 15435 15456 15778 15876 16464 16560 16880 16905 17091 17388 17640 17724 18032 18144 18522 18630 18990 19320 19412 19845 19872 20256 20286 20580 20678 21168 21735 22155 22540 22680 22788 23184 23520 23632 23667 24265 24696 24840 25320 25760 26082 26460 26586 27048 27440 27783 28485 28980 29118 29540 29808 30240 30384 30429 30870 31017 31556 31752 32928 33120 33760 33810 33971 34182 34776 35280 35448 36064 37044 37260 37980 38640 38824 39445 39690 39879 40572 41160 41356 42336 43470 43677 44310 45080 45360 45576 46305 46368 47264 47334 48530 49392 49680 50640 50715 51695 52164 52920 53172 54096 54880 55566 56970 57960 58236 59080 59616 60768 60858 61740 62034 63112 63504 65205 66465 67620 67942 68364 69552 70560 70896 71001 72373 72795 74088 74520 75960 77280 77648 78890 79380 79758 81144 82320 82712 85455 86940 87354 88620 90160 90720 91152 91287 92610 93051 94668 97060 98784 99360 101280 101430 101913 103390 104328 105840 106344 108192 111132 113940 115920 116472 118160 118335 119637 121716 123480 124068 126224 127008 130410 131031 132930 135240 135884 136728 138915 139104 141792 142002 144746 145590 148176 149040 151920 152145 155085 155296 157780 158760 159516 162288 164640 165424 169855 170910 173880 174708 177240 180320 182304 182574 185220 186102 189336 194120 199395 202860 203826 206780 208656 211680 212688 213003 217119 218385 222264 227880 231840 232944 236320 236670 237797 239274 243432 246960 248136 252448 260820 262062 265860 270480 271768 273456 277830 279153 284004 289492 291180 296352 298080 303840 304290 305739 310170 315560 317520 319032 324576 330848 339710 341820 347760 349416 354480 355005 361865 365148 370440 372204 378672 388240 393093 398790 405720 407652 413560 417312 425376 426006 434238 436770 444528 455760 456435 465255 465888 473340 475594 478548 486864 493920 496272 509565 521640 524124 531720 540960 543536 546912 555660 558306 568008 578984 582360 598185 608580 611478 620340 631120 635040 638064 639009 651357 655155 679420 683640 695520 698832 708960 710010 713391 723730 730296 740880 744408 757344 776480 786186 797580 811440 815304 827120 837459 852012 868476 873540 889056 911520 912870 917217 930510 946680 951188 957096 973728 992544 1019130 1043280 1048248 1063440 1065015 1085595 1087072 1111320 1116612 1136016 1157968 1164720 1188985 1196370 1217160 1222956 1240680 1262240 1276128 1278018 1302714 1310310 1358840 1367280 1395765 1397664 1420020 1426782 1447460 1460592 1481760 1488816 1528695 1572372 1595160 1622880 1630608 1654240 1664579 1674918 1704024 1736952 1747080 1825740 1834434 1861020 1893360 1902376 1914192 1954071 1965465 2038260 2086560 2096496 2126880 2130030 2140173 2171190 2222640 2233224 2272032 2315936 2329440 2377970 2392740 2434320 2445912 2481360 2556036 2605428 2620620 2717680 2734560 2751651 2791530 2840040 2853564 2894920 2921184 2977632 3057390 3144744 3190320 3195045 3256785 3261216 3329158 3349836 3408048 3473904 3494160 3566955 3651480 3668868 3722040 3786720 3804752 3828384 3908142 3930930 4076520 4187295 4192992 4260060 4280346 4342380 4445280 4466448 4586085 4755940 4785480 4868640 4891824 4962720 4993737 5112072 5210856 5241240 5435360 5503302 5583060 5680080 5707128 5789840 5862213 6114780 6289488 6380640 6390090 6420519 6513570 6658316 6699672 6816096 6947808 6988320 7133910 7302960 7337736 7444080 7609504 7816284 7861860 8153040 8322895 8374590 8520120 8560692 8684760 8932896 9172170 9511880 9570960 9770355 9783648 9987474 10224144 10421712 10482480 10700865 11006604 11166120 11360160 11414256 11579680 11724426 12229560 12578976 12780180 12841038 13027140 13316632 13399344 13758255 14267820 14605920 14675472 14888160 14981211 15632568 15723720 16306080 16645790 16749180 17040240 17121384 17369520 18344340 19023760 19141920 19261557 19540710 19974948 20448288 20843424 20964960 21401730 22013208 22332240 22828512 23448852 24459120 24968685 25560360 25682076 26054280 26633264 26798688 27516510 28535640 29311065 29350944 29962422 31265136 31447440 32102595 33291580 33498360 34080480 34242768 34739040 36688680 38047520 38523114 39081420 39949896 42803460 44026416 44664480 44943633 46897704 48918240 49937370 51120720 51364152 52108560 53266528 55033020 57071280 58622130 59924844 62530272 62894880 64205190 66583160 66996720 68485536 73377360 74906055 77046228 78162840 79899792 85606920 88052832 89887266 93795408 96307785 99874740 102241440 102728304 104217120 110066040 114142560 117244260 119849688 128410380 133166320 133993440 134830899 146754720 149812110 154092456 156325680 159799584 171213840 179774532 187590816 192615570 199749480 205456608 220132080 224718165 234488520 239699376 256820760 266332640 269661798 299624220 308184912 312651360 342427680 359549064 385231140 399498960 440264160 449436330 468977040 479398752 513641520 539323596 599248440 616369824 674154495 719098128 770462280 798997920 898872660 937954080 1027283040 1078647192 1198496880 1348308990 1438196256 1540924560 1797745320 2157294384 2396993760 2696617980 3081849120 3595490640 4314588768 5393235960 7190981280 10786471920 21572943840
• Sum of all divisors σ(n): 93085977600
• Sum of proper divisors (its aliquot sum) s(n): 71513033760
• 21572943840 is an abundant number, because the sum of its proper divisors (71513033760) is greater than itself. Its abundance is 49940089920

Bases of 21572943840

• Binary: 10100000101110110001111111111100000₂
• Hexadecimal: 0x505D8FFE0
• Base-36: 9WRZ200

Squares and roots of 21572943840

• 21572943840 squared (21572943840²) is 465391905923793945600
• 21572943840 cubed (21572943840³) is 10039873450084570108160815104000
• The square root of 21572943840 is 146877.3087988747
• The cube root of 21572943840 is 2783.7900034827

Scales and comparisons

• 21,572,943,840 seconds is equal to 685 years, 49 weeks, 3 days, 20 hours, 24 minutes.
• To count from 1 to 21,572,943,840 would take you about one thousand, three hundred seventy-one 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 21572943840 cubic inches would be around 232 feet tall.

Recreational maths with 21572943840

• 21572943840 backwards is 04834927512
• 21572943840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21572943840's digits is 45
• More coming soon!