399426443808

Names of 399426443808

• Cardinal: 399426443808 can be written as Three hundred ninety-nine billion, four hundred twenty-six million, four hundred forty-three thousand, eight hundred eight.

Scientific notation

• Scientific notation: 3.99426443808 × 10¹¹

Factors of 399426443808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 594384601

Divisors of 399426443808

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 594384589 1188769178 1783153767 2377538356 3566307534 4160692123 4755076712 7132615068 8321384246 9510153424 12482076369 14265230136 16642768492 19020306848 24964152738 28530460272 33285536984 49928305476 57060920544 66571073968 99856610952 133142147936 199713221904 399426443808
• Sum of all divisors σ(n): 1198279333440
• Sum of proper divisors (its aliquot sum) s(n): 798852889632
• 399426443808 is an abundant number, because the sum of its proper divisors (798852889632) is greater than itself. Its abundance is 399426445824

Bases of 399426443808

• Binary: 101110011111111101010111101101000100000₂
• Hexadecimal: 0x5CFFABDA20
• Base-36: 53HS6WIO

Squares and roots of 399426443808

• 399426443808 squared (399426443808²) is 159541484013105381540864
• 399426443808 cubed (399426443808³) is 63725087599205567015614314951770112
• The square root of 399426443808 is 632001.9333894479
• The cube root of 399426443808 is 7364.5396475819

Scales and comparisons

• 399,426,443,808 seconds is equal to 12,700 years, 27 weeks, 2 days, 5 hours, 56 minutes, 48 seconds.
• To count from 1 to 399,426,443,808 would take you about twenty-five thousand, four hundred one 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 399426443808 cubic inches would be around 613.7 feet tall.

Recreational maths with 399426443808

• 399426443808 backwards is 808344624993
• The number of decimal digits it has is: 12
• The sum of 399426443808's digits is 60
• More coming soon!