138748180
138,748,180 is an even composite number composed of five prime numbers multiplied together.
138748180 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 138748180:
22 × 5 × 292 × 73 × 113
(2 × 2 × 5 × 29 × 29 × 73 × 113)See below for interesting mathematical facts about the number 138748180 from the Numbermatics database.
Names of 138748180
- Cardinal: 138748180 can be written as One hundred thirty-eight million, seven hundred forty-eight thousand, one hundred eighty.
Scientific notation
- Scientific notation: 1.3874818 × 108
Factors of 138748180
Divisors of 138748180
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 20 29 58 73 113 116 145 146 226 290 292 365 452 565 580 730 841 1130 1460 1682 2117 2260 3277 3364 4205 4234 6554 8249 8410 8468 10585 13108 16385 16498 16820 21170 32770 32996 41245 42340 61393 65540 82490 95033 122786 164980 190066 239221 245572 306965 380132 475165 478442 613930 950330 956884 1196105 1227860 1900660 2392210 4784420 6937409 13874818 27749636 34687045 69374090 138748180
- Sum of all divisors σ(n): 308605752
- Sum of proper divisors (its aliquot sum) s(n): 169857572
- 138748180 is an abundant number, because the sum of its proper divisors (169857572) is greater than itself. Its abundance is 31109392
Bases of 138748180
- Binary: 10000100010100100001000101002
- Hexadecimal: 0x8452114
- Base-36: 2ALUS4
Squares and roots of 138748180
- 138748180 squared (1387481802) is 19251057453312400
- 138748180 cubed (1387481803) is 2671049184722530471432000
-
The
square root of 138748180 is 11779.1417344389 -
The
cube root of 138748180 is 517.6971391399
Scales and comparisons
How big is 138748180?- 138,748,180 seconds is equal to 4 years, 21 weeks, 2 days, 21 hours, 9 minutes, 40 seconds.
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To count from 1 to 138,748,180 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 138748180 cubic inches would be around 43.1 feet tall.
Recreational maths with 138748180
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