31481157000

Names of 31481157000

• Cardinal: 31481157000 can be written as Thirty-one billion, four hundred eighty-one million, one hundred fifty-seven thousand.

Scientific notation

• Scientific notation: 3.1481157 × 10¹⁰

Factors of 31481157000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 552330

Divisors of 31481157000

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 19 20 24 25 30 38 40 50 57 60 75 76 95 100 114 120 125 150 152 190 200 228 250 285 300 375 380 456 475 500 570 600 750 760 950 1000 1140 1425 1500 1900 2280 2375 2850 3000 3800 4750 5700 7125 9500 11400 14250 19000 28500 57000 552301 1104602 1656903 2209204 2761505 3313806 4418408 5523010 6627612 8284515 10493719 11046020 13255224 13807525 16569030 20987438 22092040 27615050 31481157 33138060 41422575 41974876 52468595 55230100 62962314 66276120 69037625 82845150 83949752 104937190 110460200 125924628 138075250 157405785 165690300 207112875 209874380 251849256 262342975 276150500 314811570 331380600 414225750 419748760 524685950 552301000 629623140 787028925 828451500 1049371900 1259246280 1311714875 1574057850 1656903000 2098743800 2623429750 3148115700 3935144625 5246859500 6296231400 7870289250 10493719000 15740578500 31481157000
• Sum of all divisors σ(n): 103390934400
• Sum of proper divisors (its aliquot sum) s(n): 71909777400
• 31481157000 is an abundant number, because the sum of its proper divisors (71909777400) is greater than itself. Its abundance is 40428620400

Bases of 31481157000

• Binary: 11101010100011011000101010110001000₂
• Hexadecimal: 0x7546C5588
• Base-36: EGN2G7C

Squares and roots of 31481157000

• 31481157000 squared (31481157000²) is 991063246058649000000
• 31481157000 cubed (31481157000³) is 31199817646101960376893000000000
• The square root of 31481157000 is 177429.3014132671
• The cube root of 31481157000 is 3157.5499421941

Scales and comparisons

• 31,481,157,000 seconds is equal to 1,001 years, 1 day, 5 hours, 50 minutes.
• To count from 1 to 31,481,157,000 would take you about two thousand and two 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 31481157000 cubic inches would be around 263.1 feet tall.

Recreational maths with 31481157000

• 31481157000 backwards is 00075118413
• 31481157000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31481157000's digits is 30
• More coming soon!