72991142619144166

Names of 72991142619144166

• Cardinal: 72991142619144166 can be written as Seventy-two quadrillion, nine hundred ninety-one trillion, one hundred forty-two billion, six hundred nineteen million, one hundred forty-four thousand, one hundred sixty-six.

Scientific notation

• Scientific notation: 7.2991142619144166 × 10¹⁶

Factors of 72991142619144166

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 19018015273479

Divisors of 72991142619144166

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 19 38 101 202 1919 3838 19018015273357 38036030546714 361342290193783 722684580387566 1920819542609057 3841639085218114 36495571309572083 72991142619144166
• Sum of all divisors σ(n): 116390253472950960
• Sum of proper divisors (its aliquot sum) s(n): 43399110853806794
• 72991142619144166 is a deficient number, because the sum of its proper divisors (43399110853806794) is less than itself. Its deficiency is 29592031765337372

Bases of 72991142619144166

• Binary: 100000011010100010000111010110111100100000101111111100110₂
• Hexadecimal: 0x103510EB7905FE6
• Base-36: JYP780BZENA

Squares and roots of 72991142619144166

• 72991142619144166 squared (72991142619144166²) is 5327706900848243861294642291835556
• 72991142619144166 cubed (72991142619144166³) is 388875414232812733948516177428465490691805928766296
• The square root of 72991142619144166 is 270168729.9062276119
• The cube root of 72991142619144166 is 417917.0157585481

Scales and comparisons

• 72,991,142,619,144,166 seconds is equal to 2,320,892,558 years, 44 weeks, 5 days, 6 hours, 42 minutes, 46 seconds.
• To count from 1 to 72,991,142,619,144,166 would take you about six billion, nine hundred sixty-two million, six hundred seventy-seven thousand, six hundred seventy-six 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 72991142619144166 cubic inches would be around 34826.4 feet tall.

Recreational maths with 72991142619144166

• 72991142619144166 backwards is 66144191624119927
• The number of decimal digits it has is: 17
• The sum of 72991142619144166's digits is 73
• More coming soon!