16381521944208872

Names of 16381521944208872

• Cardinal: 16381521944208872 can be written as Sixteen quadrillion, three hundred eighty-one trillion, five hundred twenty-one billion, nine hundred forty-four million, two hundred eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.6381521944208872 × 10¹⁶

Factors of 16381521944208872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 322907

Divisors of 16381521944208872

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 11 22 44 88 293 586 659 1172 1318 2344 2636 3023 3223 5272 6046 6446 7249 12092 12892 14498 24184 25784 28996 33253 57992 66506 133012 193087 266024 318919 386174 637838 772348 885739 1275676 1544696 1771478 1992157 2123957 2551352 3508109 3542956 3984314 4247914 7016218 7085912 7968628 8495828 9743129 14032436 15937256 16991656 19486258 21913727 28064872 38972516 43827454 77945032 87654908 93443267 175309816 186886534 210167621 373773068 420335242 583702001 747546136 840670484 964092137 1027875937 1167404002 1681340968 1928184274 2055751874 2311843831 2334808004 3856368548 4111503748 4623687662 4669616008 6420722011 7712737096 8223007496 9247375324 10605013507 12841444022 18494750648 21210027014 25682888044 42420054028 51365776088 61579112953 84840108056 123158225906 246316451812 282478996141 492632903624 564957992282 635336718283 677370242483 1129915984564 1270673436566 1354740484966 2259831969128 2541346873132 2709480969932 3107268957551 5082693746264 5418961939864 6214537915102 6988703901113 12429075830204 13977407802226 24858151660408 27954815604452 55909631208904 186153658456919 372307316913838 744614633827676 1489229267655352 2047690243026109 4095380486052218 8190760972104436 16381521944208872
• Sum of all divisors σ(n): 33684283454976000
• Sum of proper divisors (its aliquot sum) s(n): 17302761510767128
• 16381521944208872 is an abundant number, because the sum of its proper divisors (17302761510767128) is greater than itself. Its abundance is 921239566558256

Bases of 16381521944208872

• Binary: 111010001100101110100001001100010111010110010111101000₂
• Hexadecimal: 0x3A32E84C5D65E8
• Base-36: 4HARJAF7W88

Squares and roots of 16381521944208872

• 16381521944208872 squared (16381521944208872²) is 268354261208596821639017963512384
• 16381521944208872 cubed (16381521944208872³) is 4396051218810588486375388851217694771829254670848
• The square root of 16381521944208872 is 127990319.7285203755
• The cube root of 16381521944208872 is 253971.3627592255

Scales and comparisons

• 16,381,521,944,208,872 seconds is equal to 520,881,726 years, 23 weeks, 3 days, 8 hours, 14 minutes, 32 seconds.
• To count from 1 to 16,381,521,944,208,872 would take you about one billion, five hundred sixty-two million, six hundred forty-five thousand, one hundred seventy-nine 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 16381521944208872 cubic inches would be around 21164.3 feet tall.

Recreational maths with 16381521944208872

• 16381521944208872 backwards is 27880244912518361
• The number of decimal digits it has is: 17
• The sum of 16381521944208872's digits is 71
• More coming soon!