1681816466536640

Names of 1681816466536640

• Cardinal: 1681816466536640 can be written as One quadrillion, six hundred eighty-one trillion, eight hundred sixteen billion, four hundred sixty-six million, five hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.68181646653664 × 10¹⁵

Factors of 1681816466536640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 5055766

Divisors of 1681816466536640

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 343 392 433 448 490 560 686 784 866 980 1120 1372 1568 1715 1732 1960 2165 2240 2401 2744 3031 3136 3430 3464 3920 4330 4802 5488 6062 6860 6928 7840 8660 9604 10976 12005 12124 13720 13856 15155 15680 17320 19208 21217 21952 24010 24248 27440 27712 30310 34640 38416 42434 48020 48496 54880 60620 69280 76832 84868 96040 96992 106085 109760 121240 138560 148519 153664 169736 192080 193984 212170 242480 297038 339472 384160 424340 484960 594076 678944 742595 768320 848680 969920 1039633 1188152 1357888 1485190 1697360 2079266 2376304 2970380 3394720 4158532 4752608 5055319 5198165 5940760 6789440 8317064 9505216 10110638 10396330 11881520 16634128 20221276 20792660 23763040 25276595 33268256 35387233 40442552 41585320 47526080 50553190 66536512 70774466 80885104 83170640 101106380 141548932 161770208 166341280 176936165 202212760 247710631 283097864 323540416 332682560 353872330 404425520 495421262 566195728 707744660 808851040 990842524 1132391456 1238553155 1415489320 1617702080 1733974417 1981685048 2188953127 2264782912 2477106310 2830978640 3467948834 3963370096 4377906254 4954212620 5661957280 6935897668 7926740192 8669872085 8755812508 9908425240 10944765635 11323914560 12137820919 13871795336 15322671889 15853480384 17339744170 17511625016 19816850480 21889531270 24275641838 27743590672 30645343778 34679488340 35023250032 39633700960 43779062540 48551283676 55487181344 60689104595 61290687556 69358976680 70046500064 76613359445 79267401920 87558125080 97102567352 107258703223 110974362688 121378209190 122581375112 138717953360 140093000128 153226718890 175116250160 194205134704 214517406446 242756418380 245162750224 277435906720 306453437780 350232500320 388410269408 429034812892 485512836760 490325500448 536293516115 554871813440 612906875560 700465000640 750810922561 776820538816 858069625784 971025673520 980651000896 1072587032230 1225813751120 1501621845122 1716139251568 1942051347040 2145174064460 2451627502240 3003243690244 3432278503136 3754054612805 3884102694080 4290348128920 4903255004480 5255676457927 6006487380488 6864557006272 7508109225610 8580696257840 10511352915854 12012974760976 15016218451220 17161392515680 21022705831708 24025949521952 26278382289635 30032436902440 34322785031360 42045411663416 48051899043904 52556764579270 60064873804880 84090823326832 105113529158540 120129747609760 168181646653664 210227058317080 240259495219520 336363293307328 420454116634160 840908233268320 1681816466536640
• Sum of all divisors σ(n): 4682809181134560
• Sum of proper divisors (its aliquot sum) s(n): 3000992714597920
• 1681816466536640 is an abundant number, because the sum of its proper divisors (3000992714597920) is greater than itself. Its abundance is 1319176248061280

Bases of 1681816466536640

• Binary: 101111110011001101001101001000100001011100011000000₂
• Hexadecimal: 0x5F99A6910B8C0
• Base-36: GK5JTGYM68

Squares and roots of 1681816466536640

• 1681816466536640 squared (1681816466536640²) is 2828506627113789132916462489600
• 1681816466536640 cubed (1681816466536640³) is 4757029021187982415765113017768924184018944000
• The square root of 1681816466536640 is 41009955.7002521035
• The cube root of 1681816466536640 is 118921.2686042135

Scales and comparisons

• 1,681,816,466,536,640 seconds is equal to 53,476,561 years, 22 weeks, 4 days, 16 hours, 37 minutes, 20 seconds.
• To count from 1 to 1,681,816,466,536,640 would take you about one hundred sixty million, four hundred twenty-nine thousand, six hundred eighty-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 1681816466536640 cubic inches would be around 9910.1 feet tall.

Recreational maths with 1681816466536640

• 1681816466536640 backwards is 0466356646181861
• The number of decimal digits it has is: 16
• The sum of 1681816466536640's digits is 71
• More coming soon!