138386892
138,386,892 is an even composite number composed of five prime numbers multiplied together.
138386892 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138386892:
22 × 3 × 7 × 672 × 367
(2 × 2 × 3 × 7 × 67 × 67 × 367)See below for interesting mathematical facts about the number 138386892 from the Numbermatics database.
Names of 138386892
- Cardinal: 138386892 can be written as One hundred thirty-eight million, three hundred eighty-six thousand, eight hundred ninety-two.
Scientific notation
- Scientific notation: 1.38386892 × 108
Factors of 138386892
Divisors of 138386892
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 7 12 14 21 28 42 67 84 134 201 268 367 402 469 734 804 938 1101 1407 1468 1876 2202 2569 2814 4404 4489 5138 5628 7707 8978 10276 13467 15414 17956 24589 26934 30828 31423 49178 53868 62846 73767 94269 98356 125692 147534 172123 188538 295068 344246 377076 516369 688492 1032738 1647463 2065476 3294926 4942389 6589852 9884778 11532241 19769556 23064482 34596723 46128964 69193446 138386892
- Sum of all divisors σ(n): 375642624
- Sum of proper divisors (its aliquot sum) s(n): 237255732
- 138386892 is an abundant number, because the sum of its proper divisors (237255732) is greater than itself. Its abundance is 98868840
Bases of 138386892
- Binary: 10000011111110011101110011002
- Hexadecimal: 0x83F9DCC
- Base-36: 2AE40C
Squares and roots of 138386892
- 138386892 squared (1383868922) is 19150931877419664
- 138386892 cubed (1383868923) is 2650237941419832280644288
-
The
square root of 138386892 is 11763.7958159771 -
The
cube root of 138386892 is 517.2474026879
Scales and comparisons
How big is 138386892?- 138,386,892 seconds is equal to 4 years, 20 weeks, 5 days, 16 hours, 48 minutes, 12 seconds.
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To count from 1 to 138,386,892 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 138386892 cubic inches would be around 43.1 feet tall.
Recreational maths with 138386892
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