31997478816
31,997,478,816 is an even composite number composed of four prime numbers multiplied together.
31997478816 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 31997478816:
25 × 33 × 31 × 10932
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 31 × 1093 × 1093)See below for interesting mathematical facts about the number 31997478816 from the Numbermatics database.
Names of 31997478816
- Cardinal: 31997478816 can be written as Thirty-one billion, nine hundred ninety-seven million, four hundred seventy-eight thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 3.1997478816 × 1010
Factors of 31997478816
Divisors of 31997478816
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 48 54 62 72 93 96 108 124 144 186 216 248 279 288 372 432 496 558 744 837 864 992 1093 1116 1488 1674 2186 2232 2976 3279 3348 4372 4464 6558 6696 8744 8928 9837 13116 13392 17488 19674 26232 26784 29511 33883 34976 39348 52464 59022 67766 78696 101649 104928 118044 135532 157392 203298 236088 271064 304947 314784 406596 472176 542128 609894 813192 914841 944352 1084256 1194649 1219788 1626384 1829682 2389298 2439576 3252768 3583947 3659364 4778596 4879152 7167894 7318728 9557192 9758304 10751841 14335788 14637456 19114384 21503682 28671576 29274912 32255523 37034119 38228768 43007364 57343152 64511046 74068238 86014728 111102357 114686304 129022092 148136476 172029456 222204714 258044184 296272952 333307071 344058912 444409428 516088368 592545904 666614142 888818856 999921213 1032176736 1185091808 1333228284 1777637712 1999842426 2666456568 3555275424 3999684852 5332913136 7999369704 10665826272 15998739408 31997478816
- Sum of all divisors σ(n): 96424715520
- Sum of proper divisors (its aliquot sum) s(n): 64427236704
- 31997478816 is an abundant number, because the sum of its proper divisors (64427236704) is greater than itself. Its abundance is 32429757888
Bases of 31997478816
- Binary: 111011100110011001011000111101000002
- Hexadecimal: 0x77332C7A0
- Base-36: EP6H0O0
Squares and roots of 31997478816
- 31997478816 squared (319974788162) is 1023838650580368761856
- 31997478816 cubed (319974788163) is 32760255532947375562955508842496
-
The
square root of 31997478816 is 178878.3911376665 -
The
cube root of 31997478816 is 3174.7187240355
Scales and comparisons
How big is 31997478816?- 31,997,478,816 seconds is equal to 1,017 years, 21 weeks, 6 days, 4 hours, 33 minutes, 36 seconds.
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To count from 1 to 31,997,478,816 would take you about two thousand and thirty-four 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 31997478816 cubic inches would be around 264.6 feet tall.
Recreational maths with 31997478816
- 31997478816 backwards is 61887479913
- The number of decimal digits it has is: 11
- The sum of 31997478816's digits is 63
- More coming soon!
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The information we have on file for 31997478816 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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