31397921792
31,397,921,792 is an even composite number composed of three prime numbers multiplied together.
31397921792 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred thirty-two divisors.
Prime factorization of 31397921792:
210 × 173 × 792
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 17 × 17 × 79 × 79)See below for interesting mathematical facts about the number 31397921792 from the Numbermatics database.
Names of 31397921792
- Cardinal: 31397921792 can be written as Thirty-one billion, three hundred ninety-seven million, nine hundred twenty-one thousand, seven hundred ninety-two.
Scientific notation
- Scientific notation: 3.1397921792 × 1010
Factors of 31397921792
Divisors of 31397921792
- Number of divisors d(n): 132
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Complete list of divisors:
1 2 4 8 16 17 32 34 64 68 79 128 136 158 256 272 289 316 512 544 578 632 1024 1088 1156 1264 1343 2176 2312 2528 2686 4352 4624 4913 5056 5372 6241 8704 9248 9826 10112 10744 12482 17408 18496 19652 20224 21488 22831 24964 36992 39304 40448 42976 45662 49928 73984 78608 80896 85952 91324 99856 106097 147968 157216 171904 182648 199712 212194 295936 314432 343808 365296 388127 399424 424388 628864 687616 730592 776254 798848 848776 1257728 1375232 1461184 1552508 1597696 1697552 1803649 2515456 2922368 3105016 3195392 3395104 3607298 5030912 5844736 6210032 6390784 6790208 7214596 11689472 12420064 13580416 14429192 23378944 24840128 27160832 28858384 30662033 49680256 54321664 57716768 61324066 99360512 108643328 115433536 122648132 198721024 230867072 245296264 397442048 461734144 490592528 923468288 981185056 1846936576 1962370112 3924740224 7849480448 15698960896 31397921792
- Sum of all divisors σ(n): 67542034140
- Sum of proper divisors (its aliquot sum) s(n): 36144112348
- 31397921792 is an abundant number, because the sum of its proper divisors (36144112348) is greater than itself. Its abundance is 4746190556
Bases of 31397921792
- Binary: 111010011110111011001000100000000002
- Hexadecimal: 0x74F764400
- Base-36: EF9IFI8
Squares and roots of 31397921792
- 31397921792 squared (313979217922) is 985829492856548491264
- 31397921792 cubed (313979217923) is 30952997316956932203762667225088
-
The
square root of 31397921792 is 177194.5873665445 -
The
cube root of 31397921792 is 3154.7646644721
Scales and comparisons
How big is 31397921792?- 31,397,921,792 seconds is equal to 998 years, 18 weeks, 3 days, 20 hours, 56 minutes, 32 seconds.
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To count from 1 to 31,397,921,792 would take you about one thousand, nine hundred ninety-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 31397921792 cubic inches would be around 262.9 feet tall.
Recreational maths with 31397921792
- 31397921792 backwards is 29712979313
- The number of decimal digits it has is: 11
- The sum of 31397921792's digits is 53
- More coming soon!
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