138287968
138,287,968 is an even composite number composed of four prime numbers multiplied together.
138287968 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138287968:
25 × 7 × 133 × 281
(2 × 2 × 2 × 2 × 2 × 7 × 13 × 13 × 13 × 281)See below for interesting mathematical facts about the number 138287968 from the Numbermatics database.
Names of 138287968
- Cardinal: 138287968 can be written as One hundred thirty-eight million, two hundred eighty-seven thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38287968 × 108
Factors of 138287968
Divisors of 138287968
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 169 182 208 224 281 338 364 416 562 676 728 1124 1183 1352 1456 1967 2197 2248 2366 2704 2912 3653 3934 4394 4496 4732 5408 7306 7868 8788 8992 9464 14612 15379 15736 17576 18928 25571 29224 30758 31472 35152 37856 47489 51142 58448 61516 62944 70304 94978 102284 116896 123032 189956 204568 246064 332423 379912 409136 492128 617357 664846 759824 818272 1234714 1329692 1519648 2469428 2659384 4321499 4938856 5318768 8642998 9877712 10637536 17285996 19755424 34571992 69143984 138287968
- Sum of all divisors σ(n): 338264640
- Sum of proper divisors (its aliquot sum) s(n): 199976672
- 138287968 is an abundant number, because the sum of its proper divisors (199976672) is greater than itself. Its abundance is 61688704
Bases of 138287968
- Binary: 10000011111000011011011000002
- Hexadecimal: 0x83E1B60
- Base-36: 2ABZOG
Squares and roots of 138287968
- 138287968 squared (1382879682) is 19123562093569024
- 138287968 cubed (1382879683) is 2644558542841486196703232
-
The
square root of 138287968 is 11759.5904690597 -
The
cube root of 138287968 is 517.1241242027
Scales and comparisons
How big is 138287968?- 138,287,968 seconds is equal to 4 years, 20 weeks, 4 days, 13 hours, 19 minutes, 28 seconds.
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To count from 1 to 138,287,968 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 138287968 cubic inches would be around 43.1 feet tall.
Recreational maths with 138287968
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The information we have on file for 138287968 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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