16640498091

Names of 16640498091

• Cardinal: 16640498091 can be written as Sixteen billion, six hundred forty million, four hundred ninety-eight thousand and ninety-one.

Scientific notation

• Scientific notation: 1.6640498091 × 10¹⁰

Factors of 16640498091

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2129

Divisors of 16640498091

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 19 21 23 29 31 57 69 87 93 133 161 203 217 399 437 483 551 589 609 651 667 713 899 1311 1653 1767 2001 2017 2139 2697 3059 3857 4123 4669 4991 6051 6293 9177 11571 12369 12673 13547 14007 14119 14973 17081 18879 20677 38019 38323 40641 42357 46391 51243 58493 62031 62527 88711 94829 114969 119567 139173 144739 175479 187581 266133 268261 284487 324737 358701 392863 409451 434217 437689 804783 881429 974211 1111367 1178589 1188013 1228353 1313067 1345339 1438121 1813283 2644287 2750041 3334101 3564039 4036017 4314363 5439849 6170003 7779569 8250123 8316091 9417373 10066847 12692981 18510009 23338707 24948273 25561441 27324299 28252119 30200541 34452377 38078943 41705509 76684323 81972897 103357131 125116527 178930087 191270093 241166639 291938563 536790261 573810279 723499917 792404671 875815689 2377214013 5546832697 16640498091
• Sum of all divisors σ(n): 29756620800
• Sum of proper divisors (its aliquot sum) s(n): 13116122709
• 16640498091 is a deficient number, because the sum of its proper divisors (13116122709) is less than itself. Its deficiency is 3524375382

Bases of 16640498091

• Binary: 1111011111110110011101100110101011₂
• Hexadecimal: 0x3DFD9D9AB
• Base-36: 7N7BMI3

Squares and roots of 16640498091

• 16640498091 squared (16640498091²) is 276906176716574644281
• 16640498091 cubed (16640498091³) is 4607856705038269016216984567571
• The square root of 16640498091 is 128998.0546016101
• The cube root of 16640498091 is 2553.0271925905

Scales and comparisons

• 16,640,498,091 seconds is equal to 529 years, 6 weeks, 8 hours, 34 minutes, 51 seconds.
• To count from 1 to 16,640,498,091 would take you about one thousand and fifty-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 16640498091 cubic inches would be around 212.8 feet tall.

Recreational maths with 16640498091

• 16640498091 backwards is 19089404661
• The number of decimal digits it has is: 11
• The sum of 16640498091's digits is 48
• More coming soon!