138787072
138,787,072 is an even composite number composed of three prime numbers multiplied together.
138787072 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of fifty-four divisors.
Prime factorization of 138787072:
28 × 532 × 193
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 53 × 53 × 193)See below for interesting mathematical facts about the number 138787072 from the Numbermatics database.
Names of 138787072
- Cardinal: 138787072 can be written as One hundred thirty-eight million, seven hundred eighty-seven thousand and seventy-two.
Scientific notation
- Scientific notation: 1.38787072 × 108
Factors of 138787072
Divisors of 138787072
- Number of divisors d(n): 54
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Complete list of divisors:
1 2 4 8 16 32 53 64 106 128 193 212 256 386 424 772 848 1544 1696 2809 3088 3392 5618 6176 6784 10229 11236 12352 13568 20458 22472 24704 40916 44944 49408 81832 89888 163664 179776 327328 359552 542137 654656 719104 1084274 1309312 2168548 2618624 4337096 8674192 17348384 34696768 69393536 138787072
- Sum of all divisors σ(n): 283820642
- Sum of proper divisors (its aliquot sum) s(n): 145033570
- 138787072 is an abundant number, because the sum of its proper divisors (145033570) is greater than itself. Its abundance is 6246498
Bases of 138787072
- Binary: 10000100010110111001000000002
- Hexadecimal: 0x845B900
- Base-36: 2AMOSG
Squares and roots of 138787072
- 138787072 squared (1387870722) is 19261851354333184
- 138787072 cubed (1387870723) is 2673295950767137119797248
-
The
square root of 138787072 is 11780.7925030535 -
The
cube root of 138787072 is 517.7455058911
Scales and comparisons
How big is 138787072?- 138,787,072 seconds is equal to 4 years, 21 weeks, 3 days, 7 hours, 57 minutes, 52 seconds.
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To count from 1 to 138,787,072 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 138787072 cubic inches would be around 43.1 feet tall.
Recreational maths with 138787072
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The information we have on file for 138787072 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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