12644138690616816

Names of 12644138690616816

• Cardinal: 12644138690616816 can be written as Twelve quadrillion, six hundred forty-four trillion, one hundred thirty-eight billion, six hundred ninety million, six hundred sixteen thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.2644138690616816 × 10¹⁶

Factors of 12644138690616816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1261350

Divisors of 12644138690616816

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 199 216 324 398 432 597 648 796 1194 1296 1592 1791 2388 3184 3582 4776 5373 7164 9552 10746 14328 16119 21492 28656 32238 40153 42984 64476 80306 85968 120459 128952 160612 240918 257904 321224 361377 481836 642448 722754 963672 1084131 1220993 1445508 1927344 2168262 2441986 2891016 3252393 3662979 4336524 4883972 5782032 6504786 7325958 7990447 8673048 9767944 10988937 13009572 14651916 15980894 17346096 19535888 21977874 23971341 26019144 29303832 31961788 32966811 43955748 47942682 52038288 58607664 63923576 65933622 71914023 87911496 95885364 98900433 127847152 131867244 143828046 175822992 191770728 197800866 215742069 242977607 263734488 287656092 383541456 395601732 431484138 485955214 527468976 575312184 647226207 728932821 791203464 862968276 971910428 1150624368 1294452414 1457865642 1582406928 1725936552 1943820856 2186798463 2588904828 2915731284 3451873104 3887641712 4373596926 5177809656 5831462568 6560395389 8747193852 10355619312 11662925136 13120790778 17494387704 19681186167 26241581556 34988775408 39362372334 49026531929 52483163112 78724744668 98053063858 104966326224 147079595787 157449489336 196106127716 294159191574 314898978672 392212255432 441238787361 588318383148 784424510864 882477574722 1176636766296 1323716362083 1764955149444 2353273532592 2647432724166 3529910298888 3971149086249 5294865448332 7059820597776 7942298172498 9756279853871 10589730896664 15884596344996 19512559707742 21179461793328 29268839561613 31769192689992 39025119415484 58537679123226 63538385379984 78050238830968 87806518684839 117075358246452 156100477661936 175613037369678 234150716492904 263419556054517 351226074739356 468301432985808 526839112109034 702452149478712 790258668163551 1053678224218068 1404904298957424 1580517336327102 2107356448436136 3161034672654204 4214712896872272 6322069345308408 12644138690616816
• Sum of all divisors σ(n): 36780650365615200
• Sum of proper divisors (its aliquot sum) s(n): 24136511674998384
• 12644138690616816 is an abundant number, because the sum of its proper divisors (24136511674998384) is greater than itself. Its abundance is 11492372984381568

Bases of 12644138690616816

• Binary: 101100111010111100011011110011001001010001110111110000₂
• Hexadecimal: 0x2CEBC6F3251DF0
• Base-36: 3GHZ14IEN00

Squares and roots of 12644138690616816

• 12644138690616816 squared (12644138690616816²) is 159874243227553130200802541977856
• 12644138690616816 cubed (12644138690616816³) is 2021472104426587998813221301630496393581253226496
• The square root of 12644138690616816 is 112446159.0745402739
• The cube root of 12644138690616816 is 232968.0781150487

Scales and comparisons

• 12,644,138,690,616,816 seconds is equal to 402,044,499 years, 24 weeks, 4 days, 1 hour, 33 minutes, 36 seconds.
• To count from 1 to 12,644,138,690,616,816 would take you about one billion, two hundred six million, one hundred thirty-three thousand, four hundred ninety-eight 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 12644138690616816 cubic inches would be around 19414 feet tall.

Recreational maths with 12644138690616816

• 12644138690616816 backwards is 61861609683144621
• 12644138690616816 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 12644138690616816's digits is 72
• More coming soon!