399207358140920

Names of 399207358140920

• Cardinal: 399207358140920 can be written as Three hundred ninety-nine trillion, two hundred seven billion, three hundred fifty-eight million, one hundred forty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.9920735814092 × 10¹⁴

Factors of 399207358140920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2448548

Divisors of 399207358140920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 953917 1494617 1907834 2989234 3815668 4769585 5978468 6677419 7473085 7631336 9539170 10462319 11956936 13354838 14946170 19078340 20924638 26709676 29892340 33387095 38156680 41849276 52311595 53419352 59784680 66774190 83698552 104623190 133548380 209246380 267096760 418492760 1425740564789 2851481129578 5702962259156 7128702823945 9980183953523 11405924518312 14257405647890 19960367907046 28514811295780 39920735814092 49900919767615 57029622591560 79841471628184 99801839535230 199603679070460 399207358140920
• Sum of all divisors σ(n): 1026534969593280
• Sum of proper divisors (its aliquot sum) s(n): 627327611452360
• 399207358140920 is an abundant number, because the sum of its proper divisors (627327611452360) is greater than itself. Its abundance is 228120253311440

Bases of 399207358140920

• Binary: 1011010110001001110110100110001100001000111111000₂
• Hexadecimal: 0x16B13B4C611F8
• Base-36: 3XI9BTT3W8

Squares and roots of 399207358140920

• 399207358140920 squared (399207358140920²) is 159366514793852765798578446400
• 399207358140920 cubed (399207358140920³) is 63620285346979806540192993499424285866688000
• The square root of 399207358140920 is 19980174.1268918875
• The cube root of 399207358140920 is 73631.9291637783

Scales and comparisons

• 399,207,358,140,920 seconds is equal to 12,693,559 years, 8 weeks, 2 days, 55 minutes, 20 seconds.
• To count from 1 to 399,207,358,140,920 would take you about thirty-one million, seven hundred thirty-three thousand, eight hundred ninety-seven 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 399207358140920 cubic inches would be around 6136 feet tall.

Recreational maths with 399207358140920

• 399207358140920 backwards is 029041853702993
• The number of decimal digits it has is: 15
• The sum of 399207358140920's digits is 62
• More coming soon!