131521152

Names of 131521152

• Cardinal: 131521152 can be written as One hundred thirty-one million, five hundred twenty-one thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 1.31521152 × 10⁸

Factors of 131521152

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 558

Divisors of 131521152

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 113 128 168 192 224 226 336 339 384 433 448 452 672 678 791 866 896 904 1299 1344 1356 1582 1732 1808 2373 2598 2688 2712 3031 3164 3464 3616 4746 5196 5424 6062 6328 6928 7232 9093 9492 10392 10848 12124 12656 13856 14464 18186 18984 20784 21696 24248 25312 27712 36372 37968 41568 43392 48496 48929 50624 55424 72744 75936 83136 96992 97858 101248 145488 146787 151872 166272 193984 195716 290976 293574 303744 342503 387968 391432 581952 587148 685006 782864 1027509 1163904 1174296 1370012 1565728 2055018 2348592 2740024 3131456 4110036 4697184 5480048 6262912 8220072 9394368 10960096 16440144 18788736 21920192 32880288 43840384 65760576 131521152
• Sum of all divisors σ(n): 403724160
• Sum of proper divisors (its aliquot sum) s(n): 272203008
• 131521152 is an abundant number, because the sum of its proper divisors (272203008) is greater than itself. Its abundance is 140681856

Bases of 131521152

• Binary: 111110101101101101010000000₂
• Hexadecimal: 0x7D6DA80
• Base-36: 26AYDC

Squares and roots of 131521152

• 131521152 squared (131521152²) is 17297813423407104
• 131521152 cubed (131521152³) is 2275028348527566083063808
• The square root of 131521152 is 11468.2671751227
• The cube root of 131521152 is 508.5479032767

Scales and comparisons

• 131,521,152 seconds is equal to 4 years, 9 weeks, 3 days, 5 hours, 39 minutes, 12 seconds.
• To count from 1 to 131,521,152 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 131521152 cubic inches would be around 42.4 feet tall.

Recreational maths with 131521152

• 131521152 backwards is 251125131
• 131521152 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 131521152's digits is 21
• More coming soon!