21018968432640
21,018,968,432,640 is an even composite number composed of four prime numbers multiplied together.
21018968432640 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of five hundred eighty-eight divisors.
Prime factorization of 21018968432640:
213 × 36 × 5 × 8392
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 839 × 839)See below for interesting mathematical facts about the number 21018968432640 from the Numbermatics database.
Names of 21018968432640
- Cardinal: 21018968432640 can be written as Twenty-one trillion, eighteen billion, nine hundred sixty-eight million, four hundred thirty-two thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.101896843264 × 1013
Factors of 21018968432640
Divisors of 21018968432640
- Number of divisors d(n): 588
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 256 270 288 320 324 360 384 405 432 480 486 512 540 576 640 648 720 729 768 810 839 864 960 972 1024 1080 1152 1215 1280 1296 1440 1458 1536 1620 1678 1728 1920 1944 2048 2160 2304 2430 2517 2560 2592 2880 2916 3072 3240 3356 3456 3645 3840 3888 4096 4195 4320 4608 4860 5034 5120 5184 5760 5832 6144 6480 6712 6912 7290 7551 7680 7776 8192 8390 8640 9216 9720 10068 10240 10368 11520 11664 12288 12585 12960 13424 13824 14580 15102 15360 15552 16780 17280 18432 19440 20136 20480 20736 22653 23040 23328 24576 25170 25920 26848 27648 29160 30204 30720 31104 33560 34560 36864 37755 38880 40272 40960 41472 45306 46080 46656 50340 51840 53696 55296 58320 60408 61440 62208 67120 67959 69120 73728 75510 77760 80544 82944 90612 92160 93312 100680 103680 107392 110592 113265 116640 120816 122880 124416 134240 135918 138240 151020 155520 161088 165888 181224 184320 186624 201360 203877 207360 214784 221184 226530 233280 241632 248832 268480 271836 276480 302040 311040 322176 331776 339795 362448 368640 373248 402720 407754 414720 429568 453060 466560 483264 497664 536960 543672 552960 604080 611631 622080 644352 663552 679590 703921 724896 746496 805440 815508 829440 859136 906120 933120 966528 995328 1019385 1073920 1087344 1105920 1208160 1223262 1244160 1288704 1359180 1407842 1449792 1492992 1610880 1631016 1658880 1718272 1812240 1866240 1933056 1990656 2038770 2111763 2147840 2174688 2416320 2446524 2488320 2577408 2718360 2815684 2899584 2985984 3058155 3221760 3262032 3317760 3436544 3519605 3624480 3732480 3866112 4077540 4223526 4295680 4349376 4832640 4893048 4976640 5154816 5436720 5631368 5799168 5971968 6116310 6335289 6443520 6524064 6873088 7039210 7248960 7464960 7732224 8155080 8447052 8591360 8698752 9665280 9786096 9953280 10309632 10558815 10873440 11262736 11598336 12232620 12670578 12887040 13048128 14078420 14497920 14929920 15464448 16310160 16894104 17182720 17397504 19005867 19330560 19572192 20619264 21117630 21746880 22525472 23196672 24465240 25341156 25774080 26096256 28156840 28995840 29859840 30928896 31676445 32620320 33788208 34365440 34795008 38011734 38661120 39144384 42235260 43493760 45050944 46393344 48930480 50682312 51548160 52192512 56313680 57017601 57991680 61857792 63352890 65240640 67576416 69590016 76023468 77322240 78288768 84470520 86987520 90101888 92786688 95029335 97860960 101364624 103096320 104385024 112627360 114035202 115983360 126705780 130481280 135152832 139180032 152046936 154644480 156577536 168941040 171052803 173975040 180203776 185573376 190058670 195721920 202729248 208770048 225254720 228070404 231966720 253411560 260962560 270305664 278360064 285088005 304093872 309288960 313155072 337882080 342105606 347950080 360407552 380117340 391443840 405458496 417540096 450509440 456140808 463933440 506823120 513158409 521925120 540611328 556720128 570176010 608187744 626310144 675764160 684211212 695900160 720815104 760234680 782887680 810916992 835080192 855264015 901018880 912281616 927866880 1013646240 1026316818 1043850240 1081222656 1140352020 1216375488 1252620288 1351528320 1368422424 1391800320 1441630208 1520469360 1565775360 1621833984 1670160384 1710528030 1802037760 1824563232 2027292480 2052633636 2087700480 2162445312 2280704040 2432750976 2505240576 2565792045 2703056640 2736844848 2783600640 2883260416 3040938720 3131550720 3243667968 3421056060 3604075520 3649126464 4054584960 4105267272 4175400960 4324890624 4561408080 4865501952 5010481152 5131584090 5406113280 5473689696 5766520832 6081877440 6263101440 6487335936 6842112120 7208151040 7298252928 8109169920 8210534544 8350801920 8649781248 9122816160 9731003904 10263168180 10812226560 10947379392 12163754880 12526202880 12974671872 13684224240 14416302080 14596505856 16218339840 16421069088 17299562496 18245632320 19462007808 20526336360 21624453120 21894758784 24327509760 25052405760 25949343744 27368448480 28832604160 29193011712 32436679680 32842138176 36491264640 38924015616 41052672720 43248906240 43789517568 48655019520 51898687488 54736896960 58386023424 64873359360 65684276352 72982529280 77848031232 82105345440 86497812480 87579035136 97310039040 109473793920 116772046848 129746718720 131368552704 145965058560 155696062464 164210690880 175158070272 194620078080 218947587840 233544093696 259493437440 262737105408 291930117120 328421381760 350316140544 389240156160 437895175680 467088187392 525474210816 583860234240 656842763520 700632281088 778480312320 875790351360 1050948421632 1167720468480 1313685527040 1401264562176 1751580702720 2101896843264 2335440936960 2627371054080 3503161405440 4203793686528 5254742108160 7006322810880 10509484216320 21018968432640
- Sum of all divisors σ(n): 75719320278354
- Sum of proper divisors (its aliquot sum) s(n): 54700351845714
- 21018968432640 is an abundant number, because the sum of its proper divisors (54700351845714) is greater than itself. Its abundance is 33681383413074
Bases of 21018968432640
- Binary: 1001100011101110111000010010110100000000000002
- Hexadecimal: 0x131DDC25A000
- Base-36: 7G7ZB4000
Squares and roots of 21018968432640
- 21018968432640 squared (210189684326402) is 441797033972316818217369600
- 21018968432640 cubed (210189684326403) is 9286117910698108865755856900135583744000
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The
square root of 21018968432640 is 4584644.8534908351 -
The
cube root of 21018968432640 is 27597.5460048771
Scales and comparisons
How big is 21018968432640?- 21,018,968,432,640 seconds is equal to 668,338 years, 9 weeks, 2 days, 14 hours, 24 minutes.
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To count from 1 to 21,018,968,432,640 would take you about one million, six hundred seventy thousand, eight hundred forty-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 21018968432640 cubic inches would be around 2299.8 feet tall.
Recreational maths with 21018968432640
- 21018968432640 backwards is 04623486981012
- 21018968432640 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21018968432640's digits is 54
- More coming soon!
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The information we have on file for 21018968432640 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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