21275779140

Names of 21275779140

• Cardinal: 21275779140 can be written as Twenty-one billion, two hundred seventy-five million, seven hundred seventy-nine thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.127577914 × 10¹⁰

Factors of 21275779140

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 251

Divisors of 21275779140

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 11 12 14 15 17 18 20 21 22 27 28 30 33 34 35 36 42 44 45 51 54 55 60 63 66 68 70 77 79 81 84 85 90 99 102 105 108 110 119 126 127 132 135 140 153 154 158 162 165 170 180 187 189 198 204 210 220 231 237 238 252 254 255 270 297 306 308 315 316 324 330 340 357 374 378 381 385 395 396 405 420 459 462 474 476 495 508 510 540 553 561 567 594 595 612 630 635 660 693 711 714 748 756 762 765 770 790 810 869 889 891 918 924 935 945 948 990 1020 1071 1106 1122 1134 1143 1155 1185 1188 1190 1260 1270 1309 1343 1377 1386 1397 1422 1428 1485 1524 1530 1540 1580 1620 1659 1683 1738 1778 1782 1785 1836 1870 1890 1905 1980 2079 2133 2142 2159 2212 2244 2268 2286 2295 2310 2370 2380 2540 2607 2618 2667 2686 2754 2765 2772 2794 2805 2835 2844 2970 3060 3213 3318 3366 3429 3465 3476 3555 3556 3564 3570 3740 3780 3810 3927 4029 4158 4191 4266 4284 4318 4345 4445 4455 4572 4590 4620 4740 4977 5049 5214 5236 5334 5355 5372 5508 5530 5588 5610 5670 5715 5940 6083 6237 6399 6426 6477 6545 6636 6715 6732 6858 6885 6930 6985 7110 7140 7620 7821 7854 8001 8058 8295 8316 8382 8415 8532 8636 8690 8890 8910 9180 9401 9639 9779 9954 10033 10098 10287 10395 10428 10665 10668 10710 10795 11060 11220 11340 11430 11781 12087 12166 12474 12573 12798 12852 12954 13035 13090 13335 13430 13716 13770 13860 13970 14220 14773 14931 15113 15147 15642 15708 16002 16065 16116 16590 16764 16830 17145 17380 17780 17820 18249 18802 19278 19431 19558 19635 19908 20066 20145 20196 20574 20790 20955 21330 21420 21590 22860 23463 23562 23749 24003 24174 24332 24885 24948 25146 25245 25596 25908 26070 26180 26670 26860 27540 27940 28203 29337 29546 29862 30099 30226 30294 30415 31185 31284 31995 32004 32130 32385 33180 33660 34290 35343 36261 36498 37604 37719 38556 38862 39105 39116 39270 40005 40132 40290 41148 41580 41910 42660 43180 44319 44793 45339 46926 47005 47124 47498 48006 48195 48348 48895 49770 50165 50292 50490 51435 52140 53340 54747 56406 58293 58674 58905 59092 59724 60198 60435 60452 60588 60830 62370 62865 63990 64260 64770 68580 70231 70389 70686 71247 72009 72522 72996 73865 74655 75438 75565 75735 77724 78210 78540 80010 80580 83820 84609 88011 88638 89586 90297 90678 91245 93852 94010 94996 96012 96390 97155 97790 99540 100330 100980 102870 103411 106029 108783 109494 110363 112812 113157 116586 117315 117348 117810 118745 120015 120396 120870 121660 124740 125730 127980 129540 132957 136017 140462 140778 141015 141372 142494 144018 145044 146685 147730 149310 150495 150876 151130 151470 156420 160020 164241 166243 169218 170561 174879 176022 176715 177276 179172 180594 181305 181356 182490 188020 188595 192780 194310 195580 200660 205740 206822 210693 212058 213741 217566 218988 220726 221595 223965 226314 226695 233172 234630 235620 237490 240030 241740 251460 253827 264033 265914 270891 272034 273735 280924 281556 282030 284988 288036 291465 293370 295460 298620 300990 302260 302940 310233 328482 331089 332486 338436 341122 349758 351155 351945 352044 353430 356235 360045 361188 362610 364980 377190 388620 398871 408051 413644 421386 423045 424116 427482 435132 440055 441452 443190 447930 451485 452628 453390 469260 474980 480060 492723 498729 507654 511683 517055 528066 530145 531828 541782 543915 544068 547470 551815 564060 565785 582930 586740 601980 620466 632079 641223 656964 662178 664785 664972 680085 682244 699516 702310 703890 706860 712470 720090 725220 754380 761481 772541 792099 797742 812673 816102 821205 831215 842772 846090 852805 854964 874395 880110 886380 895860 902970 906780 930699 985446 993267 997458 1015308 1023366 1034110 1053465 1056132 1060290 1068705 1083564 1087830 1094940 1103630 1131570 1165860 1193927 1196613 1224153 1240932 1264158 1269135 1282446 1320165 1324356 1329570 1354455 1360170 1404620 1407780 1424940 1440180 1496187 1522962 1535049 1545082 1551165 1584198 1595484 1625346 1632204 1642410 1655445 1662430 1692180 1705610 1748790 1760220 1805940 1861398 1876171 1896237 1923669 1970892 1986534 1994355 1994916 2040255 2046732 2068220 2106930 2120580 2137410 2175660 2207260 2263140 2317623 2387854 2393226 2448306 2463615 2493645 2528316 2538270 2558415 2564892 2640330 2659140 2708910 2720340 2792097 2979801 2992374 3045924 3070098 3090164 3102330 3160395 3168396 3206115 3250692 3284820 3310890 3324860 3411220 3497580 3581781 3722796 3752342 3792474 3807405 3847338 3862705 3960495 3973068 3988710 4063365 4080510 4213860 4274820 4488561 4605147 4635246 4653495 4775708 4786452 4896612 4927230 4966335 4987290 5076540 5116830 5280660 5417820 5584194 5628513 5688711 5959602 5969635 5983065 5984748 6120765 6140196 6204660 6320790 6412230 6621780 6952869 7163562 7480935 7504684 7584948 7614810 7675245 7694676 7725410 7920990 7977420 8126730 8161020 8376291 8939403 8977122 9210294 9270492 9306990 9380855 9481185 9618345 9854460 9932670 9974580 10233660 10745343 11168388 11257026 11377422 11588115 11919204 11939270 11966130 12241530 12641580 12824460 13133197 13465683 13815441 13905738 13960485 14327124 14899005 14961870 15229620 15350490 15450820 15841980 16253460 16752582 16885539 17878806 17908905 17954244 18420588 18613980 18761710 18962370 19236690 19865340 20858607 21490686 22442805 22514052 22754844 23025735 23176230 23878540 23932260 24483060 26266394 26931366 27630882 27811476 27920970 28142565 28443555 29798010 29923740 30700980 32236029 33505164 33771078 34764345 35757612 35817810 37523420 37924740 38473380 39399591 41717214 41881455 42981372 44697015 44885610 46051470 46352460 50656617 52532788 53726715 53862732 55261764 55841940 56285130 56887110 59596020 62575821 64472058 65665985 67328415 67542156 69077205 69528690 71635620 78799182 83434428 83762910 84427695 89394030 89771220 92102940 96708087 101313234 104293035 107453430 112570260 113774220 118198773 125151642 128944116 131331970 134656830 138154410 139057380 151969851 157598364 161180145 167525820 168855390 178788060 193416174 196997955 202626468 208586070 214906860 236397546 250303284 253283085 262663940 269313660 276308820 303939702 312879105 322360290 337710780 354596319 386832348 393995910 417172140 472795092 483540435 506566170 590993865 607879404 625758210 644720580 709192638 759849255 787991820 967080870 1013132340 1063788957 1181987730 1251516420 1418385276 1519698510 1772981595 1934161740 2127577914 2363975460 3039397020 3545963190 4255155828 5318944785 7091926380 10637889570 21275779140
• Sum of all divisors σ(n): 89924567040
• Sum of proper divisors (its aliquot sum) s(n): 68648787900
• 21275779140 is an abundant number, because the sum of its proper divisors (68648787900) is greater than itself. Its abundance is 47373008760

Bases of 21275779140

• Binary: 10011110100001000101010000001000100₂
• Hexadecimal: 0x4F422A044
• Base-36: 9RV1S90

Squares and roots of 21275779140

• 21275779140 squared (21275779140²) is 452658778014059139600
• 21275779140 cubed (21275779140³) is 9630668186809410069028027944000
• The square root of 21275779140 is 145862.1922912171
• The cube root of 21275779140 is 2770.9487355637

Scales and comparisons

• 21,275,779,140 seconds is equal to 676 years, 26 weeks, 1 day, 10 hours, 39 minutes.
• To count from 1 to 21,275,779,140 would take you about one thousand, three hundred fifty-three 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 21275779140 cubic inches would be around 230.9 feet tall.

Recreational maths with 21275779140

• 21275779140 backwards is 04197757212
• 21275779140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21275779140's digits is 45
• More coming soon!