138726448
138,726,448 is an even composite number composed of five prime numbers multiplied together.
138726448 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 138726448:
24 × 72 × 19 × 67 × 139
(2 × 2 × 2 × 2 × 7 × 7 × 19 × 67 × 139)See below for interesting mathematical facts about the number 138726448 from the Numbermatics database.
Names of 138726448
- Cardinal: 138726448 can be written as One hundred thirty-eight million, seven hundred twenty-six thousand, four hundred forty-eight.
Scientific notation
- Scientific notation: 1.38726448 × 108
Factors of 138726448
Divisors of 138726448
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 7 8 14 16 19 28 38 49 56 67 76 98 112 133 134 139 152 196 266 268 278 304 392 469 532 536 556 784 931 938 973 1064 1072 1112 1273 1862 1876 1946 2128 2224 2546 2641 3283 3724 3752 3892 5092 5282 6566 6811 7448 7504 7784 8911 9313 10184 10564 13132 13622 14896 15568 17822 18487 18626 20368 21128 26264 27244 35644 36974 37252 42256 52528 54488 62377 65191 71288 73948 74504 108976 124754 129409 130382 142576 147896 149008 176947 249508 258818 260764 295792 353894 456337 499016 517636 521528 707788 912674 998032 1035272 1043056 1238629 1415576 1825348 2070544 2477258 2831152 3650696 4954516 7301392 8670403 9909032 17340806 19818064 34681612 69363224 138726448
- Sum of all divisors σ(n): 336436800
- Sum of proper divisors (its aliquot sum) s(n): 197710352
- 138726448 is an abundant number, because the sum of its proper divisors (197710352) is greater than itself. Its abundance is 58983904
Bases of 138726448
- Binary: 10000100010011001100001100002
- Hexadecimal: 0x844CC30
- Base-36: 2ALE0G
Squares and roots of 138726448
- 138726448 squared (1387264482) is 19245027374696704
- 138726448 cubed (1387264483) is 2669794289354438823227392
-
The
square root of 138726448 is 11778.2192202387 -
The
cube root of 138726448 is 517.6701089193
Scales and comparisons
How big is 138726448?- 138,726,448 seconds is equal to 4 years, 21 weeks, 2 days, 15 hours, 7 minutes, 28 seconds.
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To count from 1 to 138,726,448 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 138726448 cubic inches would be around 43.1 feet tall.
Recreational maths with 138726448
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