21131232382440

Names of 21131232382440

• Cardinal: 21131232382440 can be written as Twenty-one trillion, one hundred thirty-one billion, two hundred thirty-two million, three hundred eighty-two thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.113123238244 × 10¹³

Factors of 21131232382440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 537

Divisors of 21131232382440

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 97 120 149 180 194 281 291 298 360 388 447 485 562 582 596 745 776 843 873 894 970 1124 1164 1192 1341 1405 1455 1490 1686 1746 1788 1940 2235 2248 2328 2529 2682 2810 2910 2980 3372 3492 3576 3880 4215 4365 4470 5058 5364 5620 5820 5960 6705 6744 6984 8430 8730 8940 9409 10116 10728 11240 11640 12645 13410 14453 16860 17460 17880 18818 20232 22201 25290 26820 27257 28227 28906 33720 34920 37636 41869 43359 44402 47045 50580 53640 54514 56454 57812 66603 72265 75272 81771 83738 84681 86718 88804 94090 101160 109028 111005 112908 115624 125607 130077 133206 136285 141135 144530 163542 167476 169362 173436 177608 188180 199809 209345 216795 218056 222010 225816 245313 251214 260154 266412 272570 282270 289060 327084 333015 334952 338724 346872 376360 376821 399618 408855 418690 423405 433590 444020 490626 502428 520308 532824 545140 564540 578120 628035 650385 654168 666030 677448 753642 799236 817710 837380 846810 867180 888040 981252 999045 1004856 1040616 1090280 1129080 1226565 1256070 1300770 1332060 1401941 1507284 1598472 1635420 1674760 1693620 1734360 1884105 1962504 1998090 2153497 2453130 2512140 2601540 2643929 2664120 2803882 3014568 3270840 3387240 3768210 3996180 4061293 4205823 4306994 4906260 5024280 5203080 5287858 5607764 6238481 6460491 7009705 7536420 7931787 7992360 8122586 8411646 8613988 9812520 10575716 10767485 11215528 12183879 12476962 12617469 12920982 13219645 14019410 15072840 15863574 16245172 16823292 17227976 18715443 19381473 20306465 21029115 21151432 21534970 23795361 24367758 24953924 25234938 25841964 26439290 28038820 31192405 31727148 32302455 32490344 33646584 36551637 37430886 38762946 39658935 40612930 42058230 43069940 47590722 48735516 49907848 50469876 51683928 52878580 56077640 56146329 60919395 62384810 63087345 63454296 64604910 73103274 74861772 77525892 79317870 81225860 84116460 86139880 93577215 95181444 96907365 97471032 100939752 105757160 112292658 118976805 121838790 124769620 126174690 129209820 146206548 149723544 155051784 158635740 162451720 168232920 182758185 187154430 190362888 193814730 208889209 224585316 237953610 243677580 249539240 252349380 258419640 280731645 292413096 317271480 365516370 374308860 387629460 393945421 417778418 449170632 475907220 487355160 504698760 561463290 605132657 626667627 731032740 748617720 775258920 787890842 835556836 951814440 1044446045 1122926580 1181836263 1210265314 1253335254 1462065480 1575781684 1671113672 1815397971 1880002881 1969727105 2088892090 2245853160 2363672526 2420530628 2506670508 3025663285 3133338135 3151563368 3545508789 3630795942 3760005762 3939454210 4177784180 4727345052 4841061256 5013341016 5446193913 5909181315 6051326570 6266676270 7091017578 7261591884 7520011524 7878908420 8355568360 9076989855 9400014405 9454690104 10892387826 11818362630 12102653140 12533352540 14182035156 14523183768 15040023048 15757816840 17727543945 18153979710 18800028810 21784775652 23636725260 24205306280 25066705080 27230969565 28364070312 35455087890 36307959420 37600057620 43569551304 47273450520 54461939130 58697867729 70910175780 72615918840 75200115240 108923878260 117395735458 141820351560 176093603187 217847756520 234791470916 293489338645 352187206374 469582941832 528280809561 586978677290 704374412748 880468015935 1056561619122 1173957354580 1408748825496 1760936031870 2113123238244 2347914709160 2641404047805 3521872063740 4226246476488 5282808095610 7043744127480 10565616191220 21131232382440
• Sum of all divisors σ(n): 70109266352580
• Sum of proper divisors (its aliquot sum) s(n): 48978033970140
• 21131232382440 is an abundant number, because the sum of its proper divisors (48978033970140) is greater than itself. Its abundance is 27846801587700

Bases of 21131232382440

• Binary: 100110011011111111111100110011000110111101000₂
• Hexadecimal: 0x1337FF998DE8
• Base-36: 7HNJY6220

Squares and roots of 21131232382440

• 21131232382440 squared (21131232382440²) is 446528982000680878420353600
• 21131232382440 cubed (21131232382440³) is 9435707684150755676204680586715230784000
• The square root of 21131232382440 is 4596872.0215424749
• The cube root of 21131232382440 is 27646.5923367201

Scales and comparisons

• 21,131,232,382,440 seconds is equal to 671,907 years, 42 weeks, 6 days, 20 hours, 54 minutes.
• To count from 1 to 21,131,232,382,440 would take you about one million, six hundred seventy-nine thousand, seven hundred sixty-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 21131232382440 cubic inches would be around 2303.9 feet tall.

Recreational maths with 21131232382440

• 21131232382440 backwards is 04428323213112
• 21131232382440 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21131232382440's digits is 36
• More coming soon!