138699540
138,699,540 is an even composite number composed of five prime numbers multiplied together.
138699540 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 138699540:
22 × 38 × 5 × 7 × 151
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 151)See below for interesting mathematical facts about the number 138699540 from the Numbermatics database.
Names of 138699540
- Cardinal: 138699540 can be written as One hundred thirty-eight million, six hundred ninety-nine thousand, five hundred forty.
Scientific notation
- Scientific notation: 1.3869954 × 108
Factors of 138699540
Divisors of 138699540
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 151 162 180 189 210 243 252 270 302 315 324 378 405 420 453 486 540 567 604 630 729 755 756 810 906 945 972 1057 1134 1215 1260 1359 1458 1510 1620 1701 1812 1890 2114 2187 2265 2268 2430 2718 2835 2916 3020 3171 3402 3645 3780 4077 4228 4374 4530 4860 5103 5285 5436 5670 6342 6561 6795 6804 7290 8154 8505 8748 9060 9513 10206 10570 10935 11340 12231 12684 13122 13590 14580 15309 15855 16308 17010 19026 20385 20412 21140 21870 24462 25515 26244 27180 28539 30618 31710 32805 34020 36693 38052 40770 43740 45927 47565 48924 51030 57078 61155 61236 63420 65610 73386 76545 81540 85617 91854 95130 102060 110079 114156 122310 131220 142695 146772 153090 171234 183465 183708 190260 220158 229635 244620 256851 285390 306180 330237 342468 366930 428085 440316 459270 513702 550395 570780 660474 733860 770553 856170 918540 990711 1027404 1100790 1284255 1320948 1541106 1651185 1712340 1981422 2201580 2311659 2568510 3082212 3302370 3852765 3962844 4623318 4953555 5137020 6604740 6934977 7705530 9246636 9907110 11558295 13869954 15411060 19814220 23116590 27739908 34674885 46233180 69349770 138699540
- Sum of all divisors σ(n): 502599552
- Sum of proper divisors (its aliquot sum) s(n): 363900012
- 138699540 is an abundant number, because the sum of its proper divisors (363900012) is greater than itself. Its abundance is 225200472
Bases of 138699540
- Binary: 10000100010001100011000101002
- Hexadecimal: 0x8446314
- Base-36: 2AKT90
Squares and roots of 138699540
- 138699540 squared (1386995402) is 19237562396211600
- 138699540 cubed (1386995403) is 2668241055075846662664000
-
The
square root of 138699540 is 11777.0768869019 -
The
cube root of 138699540 is 517.6366368881
Scales and comparisons
How big is 138699540?- 138,699,540 seconds is equal to 4 years, 21 weeks, 2 days, 7 hours, 39 minutes.
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To count from 1 to 138,699,540 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 138699540 cubic inches would be around 43.1 feet tall.
Recreational maths with 138699540
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