138115712
138,115,712 is an even composite number composed of four prime numbers multiplied together.
138115712 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138115712:
27 × 72 × 192 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 19 × 19 × 61)See below for interesting mathematical facts about the number 138115712 from the Numbermatics database.
Names of 138115712
- Cardinal: 138115712 can be written as One hundred thirty-eight million, one hundred fifteen thousand, seven hundred twelve.
Scientific notation
- Scientific notation: 1.38115712 × 108
Factors of 138115712
Divisors of 138115712
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 7 8 14 16 19 28 32 38 49 56 61 64 76 98 112 122 128 133 152 196 224 244 266 304 361 392 427 448 488 532 608 722 784 854 896 931 976 1064 1159 1216 1444 1568 1708 1862 1952 2128 2318 2432 2527 2888 2989 3136 3416 3724 3904 4256 4636 5054 5776 5978 6272 6832 7448 7808 8113 8512 9272 10108 11552 11956 13664 14896 16226 17024 17689 18544 20216 22021 23104 23912 27328 29792 32452 35378 37088 40432 44042 46208 47824 54656 56791 59584 64904 70756 74176 80864 88084 95648 113582 119168 129808 141512 148352 154147 161728 176168 191296 227164 259616 283024 308294 323456 352336 382592 454328 519232 566048 616588 704672 908656 1038464 1079029 1132096 1233176 1409344 1817312 2158058 2264192 2466352 2818688 3634624 4316116 4932704 7269248 8632232 9865408 17264464 19730816 34528928 69057856 138115712
- Sum of all divisors σ(n): 343345770
- Sum of proper divisors (its aliquot sum) s(n): 205230058
- 138115712 is an abundant number, because the sum of its proper divisors (205230058) is greater than itself. Its abundance is 67114346
Bases of 138115712
- Binary: 10000011101101111010100000002
- Hexadecimal: 0x83B7A80
- Base-36: 2A8ARK
Squares and roots of 138115712
- 138115712 squared (1381157122) is 19075949901266944
- 138115712 cubed (1381157123) is 2634688402689813672624128
-
The
square root of 138115712 is 11752.2641222873 -
The
cube root of 138115712 is 516.9093194343
Scales and comparisons
How big is 138115712?- 138,115,712 seconds is equal to 4 years, 20 weeks, 2 days, 13 hours, 28 minutes, 32 seconds.
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To count from 1 to 138,115,712 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 138115712 cubic inches would be around 43.1 feet tall.
Recreational maths with 138115712
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