399856168318159

Names of 399856168318159

• Cardinal: 399856168318159 can be written as Three hundred ninety-nine trillion, eight hundred fifty-six billion, one hundred sixty-eight million, three hundred eighteen thousand, one hundred fifty-nine.

Scientific notation

• Scientific notation: 3.99856168318159 × 10¹⁴

Factors of 399856168318159

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 29352727

Divisors of 399856168318159

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 53 73 371 503 511 3521 3869 26659 27083 36719 186613 257033 1946107 13622749 29352091 205464637 1555660823 2142702643 10889625761 14764101773 14998918501 103348712411 113563240079 782497393969 794942680553 1077779429429 5477481757783 7544456006003 57122309759737 399856168318159
• Sum of all divisors σ(n): 472917149236224
• Sum of proper divisors (its aliquot sum) s(n): 73060980918065
• 399856168318159 is a deficient number, because the sum of its proper divisors (73060980918065) is less than itself. Its deficiency is 326795187400094

Bases of 399856168318159

• Binary: 1011010111010101011000100110111111011010011001111₂
• Hexadecimal: 0x16BAAC4DFB4CF
• Base-36: 3XQJDYMWNJ

Squares and roots of 399856168318159

• 399856168318159 squared (399856168318159²) is 159884955342079901210649149281
• 399856168318159 cubed (399856168318159³) is 63930985614804035954589528913239537894093679
• The square root of 399856168318159 is 19996403.8846528353
• The cube root of 399856168318159 is 73671.7975733007

Scales and comparisons

• 399,856,168,318,159 seconds is equal to 12,714,189 years, 16 weeks, 3 days, 2 hours, 9 minutes, 19 seconds.
• To count from 1 to 399,856,168,318,159 would take you about thirty-one million, seven hundred eighty-five thousand, four hundred seventy-three 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 399856168318159 cubic inches would be around 6139.3 feet tall.

Recreational maths with 399856168318159

• 399856168318159 backwards is 951813861658993
• The number of decimal digits it has is: 15
• The sum of 399856168318159's digits is 82
• More coming soon!