138755916
138,755,916 is an even composite number composed of five prime numbers multiplied together.
138755916 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138755916:
22 × 35 × 13 × 79 × 139
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 13 × 79 × 139)See below for interesting mathematical facts about the number 138755916 from the Numbermatics database.
Names of 138755916
- Cardinal: 138755916 can be written as One hundred thirty-eight million, seven hundred fifty-five thousand, nine hundred sixteen.
Scientific notation
- Scientific notation: 1.38755916 × 108
Factors of 138755916
Divisors of 138755916
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 78 79 81 108 117 139 156 158 162 234 237 243 278 316 324 351 417 468 474 486 556 702 711 834 948 972 1027 1053 1251 1404 1422 1668 1807 2054 2106 2133 2502 2844 3081 3159 3614 3753 4108 4212 4266 5004 5421 6162 6318 6399 7228 7506 8532 9243 10842 10981 11259 12324 12636 12798 15012 16263 18486 19197 21684 21962 22518 25596 27729 32526 32943 33777 36972 38394 43924 45036 48789 55458 65052 65886 67554 76788 83187 97578 98829 110916 131772 135108 142753 146367 166374 195156 197658 249561 285506 292734 296487 332748 395316 428259 439101 499122 571012 585468 592974 856518 878202 889461 998244 1185948 1284777 1713036 1756404 1778922 2569554 2668383 3557844 3854331 5139108 5336766 7708662 10673532 11562993 15417324 23125986 34688979 46251972 69377958 138755916
- Sum of all divisors σ(n): 399526400
- Sum of proper divisors (its aliquot sum) s(n): 260770484
- 138755916 is an abundant number, because the sum of its proper divisors (260770484) is greater than itself. Its abundance is 122014568
Bases of 138755916
- Binary: 10000100010100111111010011002
- Hexadecimal: 0x8453F4C
- Base-36: 2AM0R0
Squares and roots of 138755916
- 138755916 squared (1387559162) is 19253204224999056
- 138755916 cubed (1387559163) is 2671495988174814114415296
-
The
square root of 138755916 is 11779.4701069277 -
The
cube root of 138755916 is 517.7067604807
Scales and comparisons
How big is 138755916?- 138,755,916 seconds is equal to 4 years, 21 weeks, 2 days, 23 hours, 18 minutes, 36 seconds.
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To count from 1 to 138,755,916 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 138755916 cubic inches would be around 43.1 feet tall.
Recreational maths with 138755916
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