138956748
138,956,748 is an even composite number composed of five prime numbers multiplied together.
138956748 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138956748:
22 × 3 × 72 × 292 × 281
(2 × 2 × 3 × 7 × 7 × 29 × 29 × 281)See below for interesting mathematical facts about the number 138956748 from the Numbermatics database.
Names of 138956748
- Cardinal: 138956748 can be written as One hundred thirty-eight million, nine hundred fifty-six thousand, seven hundred forty-eight.
Scientific notation
- Scientific notation: 1.38956748 × 108
Factors of 138956748
Divisors of 138956748
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 6 7 12 14 21 28 29 42 49 58 84 87 98 116 147 174 196 203 281 294 348 406 562 588 609 812 841 843 1124 1218 1421 1682 1686 1967 2436 2523 2842 3364 3372 3934 4263 5046 5684 5887 5901 7868 8149 8526 10092 11774 11802 13769 16298 17052 17661 23548 23604 24447 27538 32596 35322 41209 41307 48894 55076 57043 70644 82418 82614 97788 114086 123627 164836 165228 171129 228172 236321 247254 342258 399301 472642 494508 684516 708963 798602 945284 1197903 1417926 1597204 1654247 2395806 2835852 3308494 4791612 4962741 6616988 9925482 11579729 19850964 23159458 34739187 46318916 69478374 138956748
- Sum of all divisors σ(n): 392012712
- Sum of proper divisors (its aliquot sum) s(n): 253055964
- 138956748 is an abundant number, because the sum of its proper divisors (253055964) is greater than itself. Its abundance is 114099216
Bases of 138956748
- Binary: 10000100100001001111110011002
- Hexadecimal: 0x8484FCC
- Base-36: 2AQBPO
Squares and roots of 138956748
- 138956748 squared (1389567482) is 19308977814735504
- 138956748 cubed (1389567483) is 2683112764339792115980992
-
The
square root of 138956748 is 11787.9916864579 -
The
cube root of 138956748 is 517.9564122077
Scales and comparisons
How big is 138956748?- 138,956,748 seconds is equal to 4 years, 21 weeks, 5 days, 7 hours, 5 minutes, 48 seconds.
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To count from 1 to 138,956,748 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 138956748 cubic inches would be around 43.2 feet tall.
Recreational maths with 138956748
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