138747700
138,747,700 is an even composite number composed of six prime numbers multiplied together.
138747700 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 138747700:
22 × 52 × 7 × 13 × 79 × 193
(2 × 2 × 5 × 5 × 7 × 13 × 79 × 193)See below for interesting mathematical facts about the number 138747700 from the Numbermatics database.
Names of 138747700
- Cardinal: 138747700 can be written as One hundred thirty-eight million, seven hundred forty-seven thousand, seven hundred.
Scientific notation
- Scientific notation: 1.387477 × 108
Factors of 138747700
Divisors of 138747700
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 13 14 20 25 26 28 35 50 52 65 70 79 91 100 130 140 158 175 182 193 260 316 325 350 364 386 395 455 553 650 700 772 790 910 965 1027 1106 1300 1351 1580 1820 1930 1975 2054 2212 2275 2509 2702 2765 3860 3950 4108 4550 4825 5018 5135 5404 5530 6755 7189 7900 9100 9650 10036 10270 11060 12545 13510 13825 14378 15247 17563 19300 20540 25090 25675 27020 27650 28756 30494 33775 35126 35945 50180 51350 55300 60988 62725 67550 70252 71890 76235 87815 102700 106729 125450 135100 143780 152470 175630 179725 198211 213458 250900 304940 351260 359450 381175 396422 426916 439075 533645 718900 762350 792844 878150 991055 1067290 1387477 1524700 1756300 1982110 2134580 2668225 2774954 3964220 4955275 5336450 5549908 6937385 9910550 10672900 13874770 19821100 27749540 34686925 69373850 138747700
- Sum of all divisors σ(n): 377198080
- Sum of proper divisors (its aliquot sum) s(n): 238450380
- 138747700 is an abundant number, because the sum of its proper divisors (238450380) is greater than itself. Its abundance is 99702680
Bases of 138747700
- Binary: 10000100010100011111001101002
- Hexadecimal: 0x8451F34
- Base-36: 2ALUES
Squares and roots of 138747700
- 138747700 squared (1387477002) is 19250924255290000
- 138747700 cubed (1387477003) is 2671021463295700333000000
-
The
square root of 138747700 is 11779.1213594223 -
The
cube root of 138747700 is 517.6965421471
Scales and comparisons
How big is 138747700?- 138,747,700 seconds is equal to 4 years, 21 weeks, 2 days, 21 hours, 1 minute, 40 seconds.
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To count from 1 to 138,747,700 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 138747700 cubic inches would be around 43.1 feet tall.
Recreational maths with 138747700
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