31374881920
31,374,881,920 is an even composite number composed of five prime numbers multiplied together.
31374881920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 31374881920:
27 × 5 × 29 × 197 × 8581
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 29 × 197 × 8581)See below for interesting mathematical facts about the number 31374881920 from the Numbermatics database.
Names of 31374881920
- Cardinal: 31374881920 can be written as Thirty-one billion, three hundred seventy-four million, eight hundred eighty-one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 3.137488192 × 1010
Factors of 31374881920
Divisors of 31374881920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 128 145 160 197 232 290 320 394 464 580 640 788 928 985 1160 1576 1856 1970 2320 3152 3712 3940 4640 5713 6304 7880 8581 9280 11426 12608 15760 17162 18560 22852 25216 28565 31520 34324 42905 45704 57130 63040 68648 85810 91408 114260 126080 137296 171620 182816 228520 248849 274592 343240 365632 457040 497698 549184 686480 731264 914080 995396 1098368 1244245 1372960 1690457 1828160 1990792 2488490 2745920 3380914 3656320 3981584 4976980 5491840 6761828 7963168 8452285 9953960 13523656 15926336 16904570 19907920 27047312 31852672 33809140 39815840 49023253 54094624 67618280 79631680 98046506 108189248 135236560 159263360 196093012 216378496 245116265 270473120 392186024 490232530 540946240 784372048 980465060 1081892480 1568744096 1960930120 3137488192 3921860240 6274976384 7843720480 15687440960 31374881920
- Sum of all divisors σ(n): 77994932400
- Sum of proper divisors (its aliquot sum) s(n): 46620050480
- 31374881920 is an abundant number, because the sum of its proper divisors (46620050480) is greater than itself. Its abundance is 15245168560
Bases of 31374881920
- Binary: 111010011100001011010110100100000002
- Hexadecimal: 0x74E16B480
- Base-36: EEVSLTS
Squares and roots of 31374881920
- 31374881920 squared (313748819202) is 984383215493942886400
- 31374881920 cubed (313748819203) is 30884907150152372536023973888000
-
The
square root of 31374881920 is 177129.5625241591 -
The
cube root of 31374881920 is 3153.9928176315
Scales and comparisons
How big is 31374881920?- 31,374,881,920 seconds is equal to 997 years, 32 weeks, 3 days, 4 hours, 58 minutes, 40 seconds.
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To count from 1 to 31,374,881,920 would take you about one thousand, nine hundred ninety-five 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 31374881920 cubic inches would be around 262.8 feet tall.
Recreational maths with 31374881920
- 31374881920 backwards is 02918847313
- The number of decimal digits it has is: 11
- The sum of 31374881920's digits is 46
- More coming soon!
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