385131429872

Names of 385131429872

• Cardinal: 385131429872 can be written as Three hundred eighty-five billion, one hundred thirty-one million, four hundred twenty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 3.85131429872 × 10¹¹

Factors of 385131429872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 118120

Divisors of 385131429872

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 434 496 868 947 1736 1894 3472 3788 6629 7576 13258 15152 26516 29357 53032 58714 106064 117133 117428 205499 234266 234856 410998 468532 469712 819931 821996 937064 1639862 1643992 1874128 3279724 3287984 3631123 6559448 7262246 13118896 14524492 25417861 29048984 50835722 58097968 101671444 110924951 203342888 221849902 406685776 443699804 776474657 887399608 1552949314 1774799216 3105898628 3438673481 6211797256 6877346962 12423594512 13754693924 24070714367 27509387848 48141428734 55018775696 96282857468 192565714936 385131429872
• Sum of all divisors σ(n): 881237501952
• Sum of proper divisors (its aliquot sum) s(n): 496106072080
• 385131429872 is an abundant number, because the sum of its proper divisors (496106072080) is greater than itself. Its abundance is 110974642208

Bases of 385131429872

• Binary: 101100110101011100111110011111111110000₂
• Hexadecimal: 0x59AB9F3FF0
• Base-36: 4WXDB568

Squares and roots of 385131429872

• 385131429872 squared (385131429872²) is 148326218275251253936384
• 385131429872 cubed (385131429872³) is 57125088531853893098580538445262848
• The square root of 385131429872 is 620589.5824713785
• The cube root of 385131429872 is 7275.6140678043

Scales and comparisons

• 385,131,429,872 seconds is equal to 12,245 years, 51 weeks, 2 days, 16 hours, 44 minutes, 32 seconds.
• To count from 1 to 385,131,429,872 would take you about twenty-four thousand, four hundred ninety-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 385131429872 cubic inches would be around 606.3 feet tall.

Recreational maths with 385131429872

• 385131429872 backwards is 278924131583
• The number of decimal digits it has is: 12
• The sum of 385131429872's digits is 53
• More coming soon!