12645466766842320

Names of 12645466766842320

• Cardinal: 12645466766842320 can be written as Twelve quadrillion, six hundred forty-five trillion, four hundred sixty-six billion, seven hundred sixty-six million, eight hundred forty-two thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.264546676684232 × 10¹⁶

Factors of 12645466766842320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 465659

Divisors of 12645466766842320

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 80 81 90 108 120 135 144 162 180 216 240 243 270 324 360 405 432 486 540 648 720 729 810 972 1080 1215 1296 1458 1620 1944 2160 2430 2916 3240 3645 3888 4860 5832 6480 7290 9720 11664 14580 19440 29160 58320 465649 931298 1396947 1862596 2328245 2793894 3725192 4190841 4656490 5587788 6984735 7450384 8381682 9312980 11175576 12572523 13969470 16763364 18625960 20954205 22351152 25145046 27938940 33526728 37251920 37717569 41908410 50290092 55877880 62862615 67053456 75435138 83816820 100580184 111755760 113152707 125725230 150870276 167633640 188587845 201160368 226305414 251450460 301740552 335267280 339458121 377175690 452610828 502900920 565763535 603481104 678916242 754351380 905221656 1005801840 1131527070 1357832484 1508702760 1697290605 1810443312 2263054140 2715664968 3017405520 3394581210 4526108280 5431329936 6789162420 9052216560 13578324840 27156649680 216828991201 433657982402 650486973603 867315964804 1084144956005 1300973947206 1734631929608 1951460920809 2168289912010 2601947894412 3252434868015 3469263859216 3902921841618 4336579824020 5203895788824 5854382762427 6504869736030 7805843683236 8673159648040 9757304604045 10407791577648 11708765524854 13009739472060 15611687366472 17346319296080 17563148287281 19514609208090 23417531049708 26019478944120 29271913812135 31223374732944 35126296574562 39029218416180 46835062099416 52038957888240 52689444861843 58543827624270 70252593149124 78058436832360 87815741436405 93670124198832 105378889723686 117087655248540 140505186298248 156116873664720 158068334585529 175631482872810 210757779447372 234175310497080 263447224309215 281010372596496 316136669171058 351262965745620 421515558894744 468350620994160 526894448618430 632273338342116 702525931491240 790341672927645 843031117789488 1053788897236860 1264546676684232 1405051862982480 1580683345855290 2107577794473720 2529093353368464 3161366691710580 4215155588947440 6322733383421160 12645466766842320
• Sum of all divisors σ(n): 44080994918894598
• Sum of proper divisors (its aliquot sum) s(n): 31435528152052278
• 12645466766842320 is an abundant number, because the sum of its proper divisors (31435528152052278) is greater than itself. Its abundance is 18790061385209958

Bases of 12645466766842320

• Binary: 101100111011001111110000101010101010000001100111010000₂
• Hexadecimal: 0x2CECFC2AA819D0
• Base-36: 3GIFZ8GP900

Squares and roots of 12645466766842320

• 12645466766842320 squared (12645466766842320²) is 159907829751313557889383742982400
• 12645466766842320 cubed (12645466766842320³) is 2022109146878115204291545662186010637307335168000
• The square root of 12645466766842320 is 112452064.3067183539
• The cube root of 12645466766842320 is 232976.2344247683

Scales and comparisons

• 12,645,466,766,842,320 seconds is equal to 402,086,728 years, 9 weeks, 5 days, 16 hours, 12 minutes.
• To count from 1 to 12,645,466,766,842,320 would take you about one billion, two hundred six million, two hundred sixty thousand, one 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 12645466766842320 cubic inches would be around 19414.7 feet tall.

Recreational maths with 12645466766842320

• 12645466766842320 backwards is 02324866766454621
• 12645466766842320 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 12645466766842320's digits is 72
• More coming soon!