138664136
138,664,136 is an even composite number composed of five prime numbers multiplied together.
138664136 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138664136:
23 × 13 × 71 × 89 × 211
(2 × 2 × 2 × 13 × 71 × 89 × 211)See below for interesting mathematical facts about the number 138664136 from the Numbermatics database.
Names of 138664136
- Cardinal: 138664136 can be written as One hundred thirty-eight million, six hundred sixty-four thousand, one hundred thirty-six.
Scientific notation
- Scientific notation: 1.38664136 × 108
Factors of 138664136
Divisors of 138664136
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 8 13 26 52 71 89 104 142 178 211 284 356 422 568 712 844 923 1157 1688 1846 2314 2743 3692 4628 5486 6319 7384 9256 10972 12638 14981 18779 21944 25276 29962 37558 50552 59924 75116 82147 119848 150232 164294 194753 244127 328588 389506 488254 657176 779012 976508 1333309 1558024 1953016 2666618 5333236 10666472 17333017 34666034 69332068 138664136
- Sum of all divisors σ(n): 288489600
- Sum of proper divisors (its aliquot sum) s(n): 149825464
- 138664136 is an abundant number, because the sum of its proper divisors (149825464) is greater than itself. Its abundance is 11161328
Bases of 138664136
- Binary: 10000100001111011000110010002
- Hexadecimal: 0x843D8C8
- Base-36: 2AK1XK
Squares and roots of 138664136
- 138664136 squared (1386641362) is 19227742612626496
- 138664136 cubed (1386641363) is 2666198316610235758547456
-
The
square root of 138664136 is 11775.5737015229 -
The
cube root of 138664136 is 517.5925897173
Scales and comparisons
How big is 138664136?- 138,664,136 seconds is equal to 4 years, 21 weeks, 1 day, 21 hours, 48 minutes, 56 seconds.
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To count from 1 to 138,664,136 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 138664136 cubic inches would be around 43.1 feet tall.
Recreational maths with 138664136
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