16680745728

Names of 16680745728

• Cardinal: 16680745728 can be written as Sixteen billion, six hundred eighty million, seven hundred forty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.6680745728 × 10¹⁰

Factors of 16680745728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 118753

Divisors of 16680745728

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 61 64 72 96 122 128 144 183 192 244 256 288 366 384 488 549 576 732 768 976 1098 1152 1464 1952 2196 2304 2928 3904 4392 5856 7808 8784 11712 15616 17568 23424 35136 46848 70272 118687 140544 237374 356061 474748 712122 949496 1068183 1424244 1898992 2136366 2848488 3797984 4272732 5696976 7239907 7595968 8545464 11393952 14479814 15191936 17090928 21719721 22787904 28959628 30383872 34181856 43439442 45575808 57919256 65159163 68363712 86878884 91151616 115838512 130318326 136727424 173757768 231677024 260636652 273454848 347515536 463354048 521273304 695031072 926708096 1042546608 1390062144 1853416192 2085093216 2780124288 4170186432 5560248576 8340372864 16680745728
• Sum of all divisors σ(n): 48883551808
• Sum of proper divisors (its aliquot sum) s(n): 32202806080
• 16680745728 is an abundant number, because the sum of its proper divisors (32202806080) is greater than itself. Its abundance is 15522060352

Bases of 16680745728

• Binary: 1111100010001111111111101100000000₂
• Hexadecimal: 0x3E23FFB00
• Base-36: 7NVA9S0

Squares and roots of 16680745728

• 16680745728 squared (16680745728²) is 278247278042190249984
• 16680745728 cubed (16680745728³) is 4641372094529893216183860068352
• The square root of 16680745728 is 129153.9613329763
• The cube root of 16680745728 is 2555.0838333763

Scales and comparisons

• 16,680,745,728 seconds is equal to 530 years, 20 weeks, 4 days, 4 hours, 28 minutes, 48 seconds.
• To count from 1 to 16,680,745,728 would take you about one thousand and sixty 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 16680745728 cubic inches would be around 212.9 feet tall.

Recreational maths with 16680745728

• 16680745728 backwards is 82754708661
• The number of decimal digits it has is: 11
• The sum of 16680745728's digits is 54
• More coming soon!