138811869440
138,811,869,440 is an even composite number composed of four prime numbers multiplied together.
138811869440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138811869440:
28 × 5 × 31 × 3498283
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 31 × 3498283)See below for interesting mathematical facts about the number 138811869440 from the Numbermatics database.
Names of 138811869440
- Cardinal: 138811869440 can be written as One hundred thirty-eight billion, eight hundred eleven million, eight hundred sixty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.3881186944 × 1011
Factors of 138811869440
Divisors of 138811869440
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 128 155 160 248 256 310 320 496 620 640 992 1240 1280 1984 2480 3968 4960 7936 9920 19840 39680 3498283 6996566 13993132 17491415 27986264 34982830 55972528 69965660 108446773 111945056 139931320 216893546 223890112 279862640 433787092 447780224 542233865 559725280 867574184 895560448 1084467730 1119450560 1735148368 2168935460 2238901120 3470296736 4337870920 4477802240 6940593472 8675741840 13881186944 17351483680 27762373888 34702967360 69405934720 138811869440
- Sum of all divisors σ(n): 343223639808
- Sum of proper divisors (its aliquot sum) s(n): 204411770368
- 138811869440 is an abundant number, because the sum of its proper divisors (204411770368) is greater than itself. Its abundance is 65599900928
Bases of 138811869440
- Binary: 100000010100011101010100001001000000002
- Hexadecimal: 0x2051D50900
- Base-36: 1RRP03Y8
Squares and roots of 138811869440
- 138811869440 squared (1388118694402) is 19268735097427605913600
- 138811869440 cubed (1388118694403) is 2674729140618066511930415120384000
-
The
square root of 138811869440 is 372574.6494865155 -
The
cube root of 138811869440 is 5177.7633969131
Scales and comparisons
How big is 138811869440?- 138,811,869,440 seconds is equal to 4,413 years, 40 weeks, 6 days, 20 hours, 37 minutes, 20 seconds.
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To count from 1 to 138,811,869,440 would take you about eight thousand, eight hundred twenty-seven 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 138811869440 cubic inches would be around 431.5 feet tall.
Recreational maths with 138811869440
- 138811869440 backwards is 044968118831
- The number of decimal digits it has is: 12
- The sum of 138811869440's digits is 53
- More coming soon!
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