138512685680
138,512,685,680 is an even composite number composed of four prime numbers multiplied together.
138512685680 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138512685680:
24 × 5 × 17 × 4673
(2 × 2 × 2 × 2 × 5 × 17 × 467 × 467 × 467)See below for interesting mathematical facts about the number 138512685680 from the Numbermatics database.
Names of 138512685680
- Cardinal: 138512685680 can be written as One hundred thirty-eight billion, five hundred twelve million, six hundred eighty-five thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.3851268568 × 1011
Factors of 138512685680
Divisors of 138512685680
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 467 680 934 1360 1868 2335 3736 4670 7472 7939 9340 15878 18680 31756 37360 39695 63512 79390 127024 158780 218089 317560 436178 635120 872356 1090445 1744712 2180890 3489424 3707513 4361780 7415026 8723560 14830052 17447120 18537565 29660104 37075130 59320208 74150260 101847563 148300520 203695126 296601040 407390252 509237815 814780504 1018475630 1629561008 1731408571 2036951260 3462817142 4073902520 6925634284 8147805040 8657042855 13851268568 17314085710 27702537136 34628171420 69256342840 138512685680
- Sum of all divisors σ(n): 341717369760
- Sum of proper divisors (its aliquot sum) s(n): 203204684080
- 138512685680 is an abundant number, because the sum of its proper divisors (203204684080) is greater than itself. Its abundance is 64691998400
Bases of 138512685680
- Binary: 100000001111111111111111011010011100002
- Hexadecimal: 0x203FFFDA70
- Base-36: 1RMQVKA8
Squares and roots of 138512685680
- 138512685680 squared (1385126856802) is 19185764094286477062400
- 138512685680 cubed (1385126856803) is 2657471711522532681218740946432000
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The
square root of 138512685680 is 372172.9244316411 -
The
cube root of 138512685680 is 5174.0408118087
Scales and comparisons
How big is 138512685680?- 138,512,685,680 seconds is equal to 4,404 years, 14 weeks, 2 days, 2 hours, 1 minute, 20 seconds.
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To count from 1 to 138,512,685,680 would take you about eight thousand, eight hundred eight 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 138512685680 cubic inches would be around 431.2 feet tall.
Recreational maths with 138512685680
- 138512685680 backwards is 086586215831
- The number of decimal digits it has is: 12
- The sum of 138512685680's digits is 53
- More coming soon!
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