138490268
138,490,268 is an even composite number composed of five prime numbers multiplied together.
138490268 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 138490268:
22 × 72 × 23 × 31 × 991
(2 × 2 × 7 × 7 × 23 × 31 × 991)See below for interesting mathematical facts about the number 138490268 from the Numbermatics database.
Names of 138490268
- Cardinal: 138490268 can be written as One hundred thirty-eight million, four hundred ninety thousand, two hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38490268 × 108
Factors of 138490268
Divisors of 138490268
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 7 14 23 28 31 46 49 62 92 98 124 161 196 217 322 434 644 713 868 991 1127 1426 1519 1982 2254 2852 3038 3964 4508 4991 6076 6937 9982 13874 19964 22793 27748 30721 34937 45586 48559 61442 69874 91172 97118 122884 139748 159551 194236 215047 319102 430094 638204 706583 860188 1116857 1413166 1505329 2233714 2826332 3010658 4467428 4946081 6021316 9892162 19784324 34622567 69245134 138490268
- Sum of all divisors σ(n): 303980544
- Sum of proper divisors (its aliquot sum) s(n): 165490276
- 138490268 is an abundant number, because the sum of its proper divisors (165490276) is greater than itself. Its abundance is 27000008
Bases of 138490268
- Binary: 10000100000100110001100111002
- Hexadecimal: 0x841319C
- Base-36: 2AGBRW
Squares and roots of 138490268
- 138490268 squared (1384902682) is 19179554330711824
- 138490268 cubed (1384902683) is 2656181619380841136528832
-
The
square root of 138490268 is 11768.1888156165 -
The
cube root of 138490268 is 517.3761664695
Scales and comparisons
How big is 138490268?- 138,490,268 seconds is equal to 4 years, 20 weeks, 6 days, 21 hours, 31 minutes, 8 seconds.
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To count from 1 to 138,490,268 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 138490268 cubic inches would be around 43.1 feet tall.
Recreational maths with 138490268
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The information we have on file for 138490268 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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