138351785
138,351,785 is an odd composite number composed of six prime numbers multiplied together.
138351785 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138351785:
5 × 11 × 13 × 23 × 47 × 179
See below for interesting mathematical facts about the number 138351785 from the Numbermatics database.
Names of 138351785
- Cardinal: 138351785 can be written as One hundred thirty-eight million, three hundred fifty-one thousand, seven hundred eighty-five.
Scientific notation
- Scientific notation: 1.38351785 × 108
Factors of 138351785
Divisors of 138351785
- Number of divisors d(n): 64
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Complete list of divisors:
1 5 11 13 23 47 55 65 115 143 179 235 253 299 517 611 715 895 1081 1265 1495 1969 2327 2585 3055 3289 4117 5405 6721 8413 9845 11635 11891 14053 16445 20585 25597 33605 42065 45287 53521 59455 70265 92543 109369 127985 154583 193499 226435 267605 462715 546845 588731 772915 967495 1203059 2128489 2515487 2943655 6015295 10642445 12577435 27670357 138351785
- Sum of all divisors σ(n): 209018880
- Sum of proper divisors (its aliquot sum) s(n): 70667095
- 138351785 is a deficient number, because the sum of its proper divisors (70667095) is less than itself. Its deficiency is 67684690
Bases of 138351785
- Binary: 10000011111100010100101010012
- Hexadecimal: 0x83F14A9
- Base-36: 2ADCX5
Squares and roots of 138351785
- 138351785 squared (1383517852) is 19141216412686225
- 138351785 cubed (1383517853) is 2648221457766435873661625
-
The
square root of 138351785 is 11762.3035584023 -
The
cube root of 138351785 is 517.2036592859
Scales and comparisons
How big is 138351785?- 138,351,785 seconds is equal to 4 years, 20 weeks, 5 days, 7 hours, 3 minutes, 5 seconds.
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To count from 1 to 138,351,785 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 138351785 cubic inches would be around 43.1 feet tall.
Recreational maths with 138351785
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The information we have on file for 138351785 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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