21749705432640

Names of 21749705432640

• Cardinal: 21749705432640 can be written as Twenty-one trillion, seven hundred forty-nine billion, seven hundred five million, four hundred thirty-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.174970543264 × 10¹³

Factors of 21749705432640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1751237

Divisors of 21749705432640

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 64 72 76 80 90 95 96 114 120 144 152 160 171 180 190 192 227 228 240 285 288 304 320 342 360 380 454 456 480 570 576 608 681 684 720 760 855 908 912 960 1135 1140 1216 1362 1368 1440 1520 1710 1816 1824 2043 2270 2280 2724 2736 2880 3040 3405 3420 3632 3648 4086 4313 4540 4560 5448 5472 6080 6810 6840 7264 8172 8626 9080 9120 10215 10896 10944 12939 13620 13680 14528 16344 17252 18160 18240 20430 21565 21792 25878 27240 27360 32688 34504 36320 38817 40860 43130 43584 51756 54480 54720 64695 65376 69008 72640 77634 81720 86260 103512 108960 129390 130752 138016 155268 163440 172520 194085 207024 217920 258780 276032 310536 326880 345040 388170 414048 517560 621072 653760 690080 776340 828096 1035120 1242144 1380160 1552680 1750981 2070240 2484288 3105360 3501962 4140480 5252943 6210720 7003924 8754905 10505886 12421440 14007848 15758829 17509810 21011772 26264715 28015696 31517658 33268639 35019620 42023544 52529430 56031392 63035316 66537278 70039240 78794145 84047088 99805917 105058860 112062784 126070632 133074556 140078480 157588290 166343195 168094176 199611834 210117720 252141264 266149112 280156960 299417751 315176580 332686390 336188352 397472687 399223668 420235440 499029585 504282528 532298224 560313920 598835502 630353160 665372780 794945374 798447336 840470880 998059170 1008565056 1064596448 1192418061 1197671004 1260706320 1330745560 1497088755 1589890748 1596894672 1680941760 1987363435 1996118340 2129192896 2384836122 2395342008 2521412640 2661491120 2994177510 3179781496 3193789344 3577254183 3974726870 3992236680 4769672244 4790684016 5042825280 5322982240 5962090305 5988355020 6359562992 6387578688 7154508366 7551981053 7949453740 7984473360 9539344488 9581368032 10645964480 11924180610 11976710040 12719125984 14309016732 15103962106 15898907480 15968946720 17886270915 19078688976 19162736064 22655943159 23848361220 23953420080 25438251968 28618033464 30207924212 31797814960 31937893440 35772541830 37759905265 38157377952 45311886318 47696722440 47906840160 57236066928 60415848424 63595629920 67967829477 71545083660 75519810530 76314755904 90623772636 95393444880 95813680320 113279715795 114472133856 120831696848 127191259840 135935658954 143090167320 151039621060 181247545272 190786889760 226559431590 228944267712 241663393696 271871317908 286180334640 302079242120 339839147385 362495090544 381573779520 453118863180 483326787392 543742635816 572360669280 604158484240 679678294770 724990181088 906237726360 1087485271632 1144721338560 1208316968480 1359356589540 1449980362176 1812475452720 2174970543264 2416633936960 2718713179080 3624950905440 4349941086528 5437426358160 7249901810880 10874852716320 21749705432640
• Sum of all divisors σ(n): 79094238275520
• Sum of proper divisors (its aliquot sum) s(n): 57344532842880
• 21749705432640 is an abundant number, because the sum of its proper divisors (57344532842880) is greater than itself. Its abundance is 35594827410240

Bases of 21749705432640

• Binary: 100111100011111111111011101110101111001000000₂
• Hexadecimal: 0x13C7FF775E40
• Base-36: 7PJOD1XS0

Squares and roots of 21749705432640

• 21749705432640 squared (21749705432640²) is 473049686406609929577369600
• 21749705432640 cubed (21749705432640³) is 10288691334346492345334283408321183744000
• The square root of 21749705432640 is 4663657.9455015781
• The cube root of 21749705432640 is 27913.7248422543

Scales and comparisons

• 21,749,705,432,640 seconds is equal to 691,573 years, 18 weeks, 3 days, 18 hours, 24 minutes.
• To count from 1 to 21,749,705,432,640 would take you about one million, seven hundred twenty-eight thousand, nine hundred thirty-three 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 21749705432640 cubic inches would be around 2326.1 feet tall.

Recreational maths with 21749705432640

• 21749705432640 backwards is 04623450794712
• The number of decimal digits it has is: 14
• The sum of 21749705432640's digits is 54
• More coming soon!