399216338032049808

Names of 399216338032049808

• Cardinal: 399216338032049808 can be written as Three hundred ninety-nine quadrillion, two hundred sixteen trillion, three hundred thirty-eight billion, thirty-two million, forty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 3.99216338032049808 × 10¹⁷

Factors of 399216338032049808

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 8317007042334376

Divisors of 399216338032049808

• Number of divisors d(n): 20
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 8317007042334371 16634014084668742 24951021127003113 33268028169337484 49902042254006226 66536056338674968 99804084508012452 133072112677349936 199608169016024904 399216338032049808
• Sum of all divisors σ(n): 1031308873249462128
• Sum of proper divisors (its aliquot sum) s(n): 632092535217412320
• 399216338032049808 is an abundant number, because the sum of its proper divisors (632092535217412320) is greater than itself. Its abundance is 232876197185362512

Bases of 399216338032049808

• Binary: 10110001010010011010010010011110000111011101011111010010000₂
• Hexadecimal: 0x58A4D24F0EEBE90
• Base-36: 316UDPUZVVYO

Squares and roots of 399216338032049808

• 399216338032049808 squared (399216338032049808²) is 159373684551719857967753398192836864
• 399216338032049808 cubed (399216338032049808³) is 63624578725412669289901821231253917280912000466522112
• The square root of 399216338032049808 is 631835689.1091621517
• The cube root of 399216338032049808 is 736324.8125927149

Scales and comparisons

• 399,216,338,032,049,808 seconds is equal to 12,693,844,692 years, 10 weeks, 5 days, 12 hours, 56 minutes, 48 seconds.
• To count from 1 to 399,216,338,032,049,808 would take you about thirty-eight billion, eighty-one million, five hundred thirty-four thousand and 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 399216338032049808 cubic inches would be around 61360.4 feet tall.

Recreational maths with 399216338032049808

• 399216338032049808 backwards is 808940230833612993
• The number of decimal digits it has is: 18
• The sum of 399216338032049808's digits is 78
• More coming soon!