131396685
131,396,685 is an odd composite number composed of five prime numbers multiplied together.
131396685 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 131396685:
3 × 5 × 72 × 19 × 972
(3 × 5 × 7 × 7 × 19 × 97 × 97)See below for interesting mathematical facts about the number 131396685 from the Numbermatics database.
Names of 131396685
- Cardinal: 131396685 can be written as One hundred thirty-one million, three hundred ninety-six thousand, six hundred eighty-five.
Scientific notation
- Scientific notation: 1.31396685 × 108
Factors of 131396685
Divisors of 131396685
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 5 7 15 19 21 35 49 57 95 97 105 133 147 245 285 291 399 485 665 679 735 931 1455 1843 1995 2037 2793 3395 4655 4753 5529 9215 9409 10185 12901 13965 14259 23765 27645 28227 38703 47045 64505 65863 71295 90307 141135 178771 193515 197589 270921 329315 451535 461041 536313 893855 987945 1251397 1354605 1383123 2305205 2681565 3754191 6256985 6915615 8759779 18770955 26279337 43798895 131396685
- Sum of all divisors σ(n): 260111520
- Sum of proper divisors (its aliquot sum) s(n): 128714835
- 131396685 is a deficient number, because the sum of its proper divisors (128714835) is less than itself. Its deficiency is 2681850
Bases of 131396685
- Binary: 1111101010011110100010011012
- Hexadecimal: 0x7D4F44D
- Base-36: 268ABX
Squares and roots of 131396685
- 131396685 squared (1313966852) is 17265088828989225
- 131396685 cubed (1313966853) is 2268575438359716065719125
-
The
square root of 131396685 is 11462.8393079551 -
The
cube root of 131396685 is 508.3874286843
Scales and comparisons
How big is 131396685?- 131,396,685 seconds is equal to 4 years, 9 weeks, 1 day, 19 hours, 4 minutes, 45 seconds.
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To count from 1 to 131,396,685 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 131396685 cubic inches would be around 42.4 feet tall.
Recreational maths with 131396685
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