131296920

Names of 131296920

• Cardinal: 131296920 can be written as One hundred thirty-one million, two hundred ninety-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3129692 × 10⁸

Factors of 131296920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1340

Divisors of 131296920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 58 60 87 116 120 145 174 232 290 348 435 580 696 841 870 1160 1301 1682 1740 2523 2602 3364 3480 3903 4205 5046 5204 6505 6728 7806 8410 10092 10408 12615 13010 15612 16820 19515 20184 25230 26020 31224 33640 37729 39030 50460 52040 75458 78060 100920 113187 150916 156120 188645 226374 301832 377290 452748 565935 754580 905496 1094141 1131870 1509160 2188282 2263740 3282423 4376564 4527480 5470705 6564846 8753128 10941410 13129692 16412115 21882820 26259384 32824230 43765640 65648460 131296920
• Sum of all divisors σ(n): 408255120
• Sum of proper divisors (its aliquot sum) s(n): 276958200
• 131296920 is an abundant number, because the sum of its proper divisors (276958200) is greater than itself. Its abundance is 145661280

Bases of 131296920

• Binary: 111110100110110111010011000₂
• Hexadecimal: 0x7D36E98
• Base-36: 2665CO

Squares and roots of 131296920

• 131296920 squared (131296920²) is 17238881201486400
• 131296920 cubed (131296920³) is 2263412006001063741888000
• The square root of 131296920 is 11458.4868110933
• The cube root of 131296920 is 508.2587290555

Scales and comparisons

• 131,296,920 seconds is equal to 4 years, 9 weeks, 15 hours, 22 minutes.
• To count from 1 to 131,296,920 would take you about six 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 131296920 cubic inches would be around 42.4 feet tall.

Recreational maths with 131296920

• 131296920 backwards is 029692131
• The number of decimal digits it has is: 9
• The sum of 131296920's digits is 33
• More coming soon!