21801313969840

Names of 21801313969840

• Cardinal: 21801313969840 can be written as Twenty-one trillion, eight hundred one billion, three hundred thirteen million, nine hundred sixty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.180131396984 × 10¹³

Factors of 21801313969840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 403

Divisors of 21801313969840

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 23 34 38 40 46 68 76 80 85 92 95 115 136 152 170 184 190 230 272 289 304 323 337 340 361 368 380 391 437 460 578 646 674 680 722 760 782 874 920 1156 1292 1348 1360 1444 1445 1520 1564 1615 1685 1748 1805 1840 1955 2185 2312 2584 2696 2888 2890 3128 3230 3370 3496 3610 3910 4370 4624 5168 5392 5491 5729 5776 5780 6137 6256 6403 6460 6647 6740 6992 7220 7429 7751 7820 8303 8740 10982 11458 11560 12274 12806 12920 13294 13480 14440 14858 15502 15640 16606 17480 21964 22916 23120 24548 25612 25840 26588 26960 27455 28645 28880 29716 30685 31004 31280 32015 33212 33235 34960 37145 38755 41515 43928 45832 49096 51224 53176 54910 57290 59432 61370 62008 64030 66424 66470 74290 77510 83030 87856 91664 97393 98192 102448 104329 106352 108851 109820 113569 114580 118864 121657 122740 124016 126293 128060 131767 132848 132940 141151 147269 148580 155020 166060 194786 208658 217702 219640 227138 229160 243314 245480 252586 256120 263534 265880 282302 294538 297160 310040 332120 389572 417316 435404 439280 454276 458320 486628 486965 490960 505172 512240 521645 527068 531760 544255 564604 567845 589076 594320 608285 620080 631465 658835 664240 705755 736345 779144 834632 870808 908552 973256 973930 1010344 1043290 1054136 1088510 1129208 1135690 1178152 1216570 1262930 1317670 1411510 1472690 1558288 1669264 1741616 1817104 1850467 1930673 1946512 1947860 2020688 2068169 2086580 2108272 2157811 2177020 2240039 2258416 2271380 2356304 2399567 2433140 2503573 2525860 2612087 2635340 2798111 2823020 2945380 3700934 3861346 3895720 4136338 4173160 4315622 4354040 4480078 4542760 4799134 4866280 5007146 5051720 5224174 5270680 5596222 5646040 5890760 7401868 7722692 7791440 8272676 8346320 8631244 8708080 8960156 9085520 9252335 9598268 9653365 9732560 10014292 10103440 10340845 10448348 10541360 10789055 11192444 11200195 11292080 11781520 11997835 12517865 13060435 13990555 14803736 15445384 16545352 17262488 17920312 18504670 19196536 19306730 20028584 20681690 20896696 21578110 22384888 22400390 23995670 25035730 26120870 27981110 29607472 30890768 32821441 33090704 34524976 35158873 35840624 36682787 37009340 38393072 38613460 40057168 40998409 41363380 41793392 42560741 43156220 44405479 44769776 44800780 47567887 47991340 49629653 50071460 52241740 55962220 65642882 70317746 73365574 74018680 77226920 81996818 82726760 85121482 86312440 88810958 89601560 95135774 95982680 99259306 100142920 104483480 111924440 131285764 140635492 146731148 148037360 154453840 163993636 164107205 165453520 170242964 172624880 175794365 177621916 179203120 183413935 190271548 191965360 198518612 200285840 204992045 208966960 212803705 222027395 223848880 237839435 248148265 262571528 281270984 293462296 327987272 328214410 340485928 351588730 355243832 366827870 380543096 397037224 409984090 425607410 444054790 475678870 496296530 525143056 562541968 586924592 623607379 655974544 656428820 680971856 696972953 703177460 710487664 733655740 754893143 761086192 794074448 808654079 819968180 843704101 851214820 888109580 942963407 951357740 992593060 1247214758 1312857640 1393945906 1406354920 1467311480 1509786286 1617308158 1639936360 1687408202 1702429640 1776219160 1885926814 1902715480 1985186120 2494429516 2625715280 2787891812 2812709840 2934622960 3019572572 3118036895 3234616316 3279872720 3374816404 3404859280 3484864765 3552438320 3771853628 3774465715 3805430960 3970372240 4043270395 4218520505 4714817035 4988859032 5575783624 6039145144 6236073790 6469232632 6749632808 6969729530 7543707256 7548931430 8086540790 8437041010 9429634070 9977718064 11151567248 11848540201 12078290288 12472147580 12938465264 13499265616 13939459060 14342969717 15087414512 15097862860 16030377919 16173081580 16874082020 18859268140 23697080402 24944295160 27878918120 28685939434 30195725720 32060755838 32346163160 33748164040 37718536280 47394160804 49888590320 55757836240 57371878868 59242701005 60391451440 64121511676 64692326320 67496328080 71714848585 75437072560 80151889595 94788321608 114743757736 118485402010 128243023352 143429697170 160303779190 189576643216 229487515472 236970804020 256486046704 272516424623 286859394340 320607558380 473941608040 545032849246 573718788680 641215116760 947883216080 1090065698492 1147437577360 1282430233520 1362582123115 2180131396984 2725164246230 4360262793968 5450328492460 10900656984920 21801313969840
• Sum of all divisors σ(n): 59475479348016
• Sum of proper divisors (its aliquot sum) s(n): 37674165378176
• 21801313969840 is an abundant number, because the sum of its proper divisors (37674165378176) is greater than itself. Its abundance is 15872851408336

Bases of 21801313969840

• Binary: 100111101010000000011100100110010011010110000₂
• Hexadecimal: 0x13D4039326B0
• Base-36: 7Q7DVFZXS

Squares and roots of 21801313969840

• 21801313969840 squared (21801313969840²) is 475297290811540740429625600
• 21801313969840 cubed (21801313969840³) is 10362105465996748215022693876680891904000
• The square root of 21801313969840 is 4669187.7205612541
• The cube root of 21801313969840 is 27935.7856556705

Scales and comparisons

• 21,801,313,969,840 seconds is equal to 693,214 years, 18 weeks, 19 hours, 10 minutes, 40 seconds.
• To count from 1 to 21,801,313,969,840 would take you about one million, seven hundred thirty-three thousand and thirty-five 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 21801313969840 cubic inches would be around 2328 feet tall.

Recreational maths with 21801313969840

• 21801313969840 backwards is 04896931310812
• The number of decimal digits it has is: 14
• The sum of 21801313969840's digits is 55
• More coming soon!