138145536
138,145,536 is an even composite number composed of four prime numbers multiplied together.
138145536 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138145536:
28 × 32 × 17 × 3527
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 17 × 3527)See below for interesting mathematical facts about the number 138145536 from the Numbermatics database.
Names of 138145536
- Cardinal: 138145536 can be written as One hundred thirty-eight million, one hundred forty-five thousand, five hundred thirty-six.
Scientific notation
- Scientific notation: 1.38145536 × 108
Factors of 138145536
Divisors of 138145536
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 64 68 72 96 102 128 136 144 153 192 204 256 272 288 306 384 408 544 576 612 768 816 1088 1152 1224 1632 2176 2304 2448 3264 3527 4352 4896 6528 7054 9792 10581 13056 14108 19584 21162 28216 31743 39168 42324 56432 59959 63486 84648 112864 119918 126972 169296 179877 225728 239836 253944 338592 359754 451456 479672 507888 539631 677184 719508 902912 959344 1015776 1079262 1354368 1439016 1918688 2031552 2158524 2708736 2878032 3837376 4063104 4317048 5756064 7674752 8126208 8634096 11512128 15349504 17268192 23024256 34536384 46048512 69072768 138145536
- Sum of all divisors σ(n): 421857072
- Sum of proper divisors (its aliquot sum) s(n): 283711536
- 138145536 is an abundant number, because the sum of its proper divisors (283711536) is greater than itself. Its abundance is 145566000
Bases of 138145536
- Binary: 10000011101111101111000000002
- Hexadecimal: 0x83BEF00
- Base-36: 2A8XS0
Squares and roots of 138145536
- 138145536 squared (1381455362) is 19084189116727296
- 138145536 cubed (1381455363) is 2636395534655658871750656
-
The
square root of 138145536 is 11753.5329156811 -
The
cube root of 138145536 is 516.9465230077
Scales and comparisons
How big is 138145536?- 138,145,536 seconds is equal to 4 years, 20 weeks, 2 days, 21 hours, 45 minutes, 36 seconds.
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To count from 1 to 138,145,536 would take you about 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 138145536 cubic inches would be around 43.1 feet tall.
Recreational maths with 138145536
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