21489693182720

Names of 21489693182720

• Cardinal: 21489693182720 can be written as Twenty-one trillion, four hundred eighty-nine billion, six hundred ninety-three million, one hundred eighty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.148969318272 × 10¹³

Factors of 21489693182720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4147

Divisors of 21489693182720

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 64 70 80 112 124 128 140 155 160 217 224 248 256 280 310 320 434 448 496 560 620 640 743 868 896 961 992 1085 1120 1240 1280 1486 1736 1792 1922 1984 2170 2240 2480 2972 3359 3472 3715 3844 3968 4340 4480 4805 4960 5201 5944 6718 6727 6944 7430 7688 7936 8680 8960 9610 9920 10402 11888 13436 13454 13888 14860 15376 16795 17360 19220 19840 20804 23033 23513 23776 26005 26872 26908 27776 29720 30752 33590 33635 34720 38440 39680 41608 46066 47026 47552 52010 53744 53816 55552 59440 61504 67180 67270 69440 76880 83216 92132 94052 95104 104020 104129 107488 107632 115165 117565 118880 123008 134360 134540 138880 153760 161231 166432 184264 188104 190208 208040 208258 214976 215264 230330 235130 237760 246016 268720 269080 277760 307520 322462 332864 368528 376208 416080 416516 429952 430528 460660 470260 475520 520645 537440 538160 615040 644924 665728 714023 728903 737056 752416 806155 832160 833032 859904 861056 921320 940520 951040 1041290 1074880 1076320 1230080 1289848 1331456 1428046 1457806 1474112 1504832 1612310 1664320 1666064 1722112 1842640 1881040 2082580 2149760 2152640 2495737 2579696 2856092 2915612 2948224 3009664 3224620 3227999 3328640 3332128 3570115 3644515 3685280 3762080 4165160 4299520 4305280 4991474 4998161 5159392 5712184 5831224 5896448 6019328 6449240 6455998 6657280 6664256 7140230 7289030 7370560 7524160 8330320 8610560 9982948 9996322 10318784 11424368 11662448 12478685 12898480 12911996 13328512 14280460 14578060 14741120 15048320 16139995 16660640 17470159 19965896 19992644 20637568 22595993 22848736 23324896 24957370 24990805 25796960 25823992 26657024 28560920 29156120 29482240 30096640 32279990 33321280 34940318 39931792 39985288 41275136 45191986 45697472 46649792 49914740 49981610 51593920 51647984 57121840 58312240 64559980 66642560 69880636 77367847 79863584 79970576 87350795 90383972 91394944 93299584 99829480 99963220 103187840 103295968 112979965 114243680 116624480 129119960 133285120 139761272 154735694 159727168 159941152 174701590 180767944 182789888 186599168 199658960 199926440 206375680 206591936 225959930 228487360 233248960 258239920 279522544 309471388 319454336 319882304 349403180 361535888 386839235 399317920 399852880 413183872 451919860 456974720 466497920 516479840 541574929 559045088 618942776 638908672 639764608 698806360 723071776 773678470 798635840 799705760 826367744 903839720 913949440 932995840 1032959680 1083149858 1118090176 1237885552 1279529216 1397612720 1446143552 1547356940 1597271680 1599411520 1807679440 2065919360 2166299716 2236180352 2398403257 2475771104 2707874645 2795225440 2892287104 3094713880 3194543360 3198823040 3615358880 4131838720 4332599432 4472360704 4796806514 4951542208 5415749290 5590450880 5784574208 6189427760 6397646080 7230717760 8665198864 9593613028 9903084416 10831498580 11180901760 11992016285 12378855520 14461435520 16788822799 17330397728 19187226056 19806168832 21662997160 22361803520 23984032570 24757711040 28922871040 33577645598 34660795456 38374452112 43325994320 47968065140 49515422080 67155291196 69321590912 76748904224 83944113995 86651988640 95936130280 99030844160 134310582392 138643181824 153497808448 167888227990 173303977280 191872260560 268621164784 306995616896 335776455980 346607954560 383744521120 537242329568 613991233792 671552911960 693215909120 767489042240 1074484659136 1343105823920 1534978084480 2148969318272 2686211647840 3069956168960 4297938636544 5372423295680 10744846591360 21489693182720
• Sum of all divisors σ(n): 60886862991360
• Sum of proper divisors (its aliquot sum) s(n): 39397169808640
• 21489693182720 is an abundant number, because the sum of its proper divisors (39397169808640) is greater than itself. Its abundance is 17907476625920

Bases of 21489693182720

• Binary: 100111000101101110101100001110100101100000000₂
• Hexadecimal: 0x138B75874B00
• Base-36: 7M888H1Q8

Squares and roots of 21489693182720

• 21489693182720 squared (21489693182720²) is 461806913087442443306598400
• 21489693182720 cubed (21489693182720³) is 9924088871908179421166187731272859648000
• The square root of 21489693182720 is 4635697.7018265547
• The cube root of 21489693182720 is 27802.0447673559

Scales and comparisons

• 21,489,693,182,720 seconds is equal to 683,305 years, 40 weeks, 17 hours, 25 minutes, 20 seconds.
• To count from 1 to 21,489,693,182,720 would take you about one million, seven hundred eight thousand, two hundred sixty-four 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 21489693182720 cubic inches would be around 2316.8 feet tall.

Recreational maths with 21489693182720

• 21489693182720 backwards is 02728139698412
• 21489693182720 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21489693182720's digits is 62
• More coming soon!