21371251939180

Names of 21371251939180

• Cardinal: 21371251939180 can be written as Twenty-one trillion, three hundred seventy-one billion, two hundred fifty-one million, nine hundred thirty-nine thousand, one hundred eighty.

Scientific notation

• Scientific notation: 2.137125193918 × 10¹³

Factors of 21371251939180

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 326

Divisors of 21371251939180

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 10 11 13 20 22 26 44 52 55 65 67 97 110 130 131 134 143 194 220 260 262 268 286 335 388 485 524 572 655 670 715 737 871 970 1067 1261 1310 1340 1430 1441 1474 1703 1742 1940 2134 2522 2620 2860 2882 2948 3406 3484 3685 4268 4355 4489 5044 5335 5764 6305 6499 6812 7205 7370 8515 8710 8777 8978 9581 10670 12610 12707 12998 13871 14410 14740 17030 17161 17420 17554 17956 18733 19162 21340 22445 25220 25414 25996 27742 28820 32495 34060 34322 35108 37466 38324 43885 44890 47905 49379 50828 55484 58357 63535 64990 68644 69355 71489 74932 84487 85805 87770 89780 93665 95810 96547 98758 114101 116714 127070 129980 138710 139777 142978 165191 168974 171610 175540 187330 188771 191620 193094 197516 223093 228202 233428 246895 254140 277420 279554 285956 291785 330382 337948 343220 357445 374660 377542 386188 422435 435433 446186 456404 482735 493790 559108 570505 583570 588059 641927 660764 698885 714890 755084 825955 844870 851369 870866 892372 929357 943855 965470 987580 1115465 1141010 1149787 1167140 1176118 1255111 1283854 1397770 1429780 1651910 1664617 1689740 1702738 1741732 1817101 1858714 1887710 1930940 2177165 2230930 2282020 2299574 2352236 2454023 2510222 2567708 2795540 2940295 3209635 3303820 3329234 3405476 3634202 3717428 3775420 4256845 4354330 4461860 4599148 4646785 4789763 4908046 5020444 5660629 5748935 5880590 6275555 6419270 6468649 6658468 7268404 7644767 8323085 8513690 8708660 9085505 9293570 9365059 9579526 9816092 11067797 11321258 11497870 11761180 12270115 12551110 12647657 12838540 12937298 14947231 15289534 16646170 17027380 18171010 18310787 18587140 18730118 19159052 21640021 22135594 22642516 22995740 23948815 24540230 25102220 25295314 25874596 28303145 29894462 30579068 32343245 33292340 36342020 36621574 37460236 38223835 43280042 44271188 46825295 47897630 49080460 50590628 55338985 56606290 57041723 59788924 62266919 63238285 64686490 73243148 74736155 76447670 77035729 84092437 86560084 91553935 93650590 95795260 108200105 110677970 111529339 113212580 114083446 121745767 124533838 126476570 129372980 149472310 152895340 154071458 164419541 168184874 183107870 187301180 216400210 221355940 223058678 228166892 238040231 243491534 249067676 252953140 285208615 298944620 308142916 311334595 328839082 336369748 366215740 385178645 420462185 432800420 446117356 476080462 486983068 557646695 570417230 608728835 622669190 627458953 657678164 741542399 770357290 822097705 840924370 847393019 952160924 1001464477 1115293390 1140834460 1190201155 1217457670 1226822729 1245338380 1254917906 1449881407 1483084798 1540714580 1644195410 1681848740 1694786038 2002928954 2230586780 2380402310 2434915340 2453645458 2509835812 2899762814 2966169596 3137294765 3288390820 3389572076 3707711995 4005857908 4236965095 4760804620 4907290916 5007322385 5799525628 6134113645 6274589530 7249407035 7415423990 7472465713 8156966389 8473930190 10014644770 11016109247 12268227290 12549179060 14498814070 14830847980 14944931426 15948695477 16313932778 16947860380 20029289540 22032218494 24536454580 28997628140 29889862852 31897390954 32627865556 37362328565 40784831945 44064436988 55080546235 63794781908 74724657130 79743477385 81569663890 82197122843 97142054269 110161092470 149449314260 159486954770 163139327780 164394245686 194284108538 220322184940 318973909540 328788491372 388568217076 410985614215 485710271345 821971228430 971420542690 1068562596959 1643942456860 1942841085380 2137125193918 4274250387836 5342812984795 10685625969590 21371251939180
• Sum of all divisors σ(n): 54492159341088
• Sum of proper divisors (its aliquot sum) s(n): 33120907401908
• 21371251939180 is an abundant number, because the sum of its proper divisors (33120907401908) is greater than itself. Its abundance is 11749655462728

Bases of 21371251939180

• Binary: 100110110111111100001111000010101011101101100₂
• Hexadecimal: 0x136FE1E1576C
• Base-36: 7KPTFM5BG

Squares and roots of 21371251939180

• 21371251939180 squared (21371251939180²) is 456730409447904910419072400
• 21371251939180 cubed (21371251939180³) is 9760900648596013209981845214956816632000
• The square root of 21371251939180 is 4622905.1406209927
• The cube root of 21371251939180 is 27750.8733060357

Scales and comparisons

• 21,371,251,939,180 seconds is equal to 679,539 years, 36 weeks, 4 days, 23 hours, 59 minutes, 40 seconds.
• To count from 1 to 21,371,251,939,180 would take you about one million, six hundred ninety-eight thousand, eight hundred forty-nine 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 21371251939180 cubic inches would be around 2312.6 feet tall.

Recreational maths with 21371251939180

• 21371251939180 backwards is 08193915217312
• 21371251939180 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21371251939180's digits is 52
• More coming soon!