138112845
138,112,845 is an odd composite number composed of six prime numbers multiplied together.
138112845 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138112845:
3 × 5 × 13 × 17 × 61 × 683
See below for interesting mathematical facts about the number 138112845 from the Numbermatics database.
Names of 138112845
- Cardinal: 138112845 can be written as One hundred thirty-eight million, one hundred twelve thousand, eight hundred forty-five.
Scientific notation
- Scientific notation: 1.38112845 × 108
Factors of 138112845
Divisors of 138112845
- Number of divisors d(n): 64
-
Complete list of divisors:
1 3 5 13 15 17 39 51 61 65 85 183 195 221 255 305 663 683 793 915 1037 1105 2049 2379 3111 3315 3415 3965 5185 8879 10245 11611 11895 13481 15555 26637 34833 40443 41663 44395 58055 67405 124989 133185 150943 174165 202215 208315 452829 541619 624945 708271 754715 1624857 2124813 2264145 2708095 3541355 8124285 9207523 10624065 27622569 46037615 138112845
- Sum of all divisors σ(n): 256483584
- Sum of proper divisors (its aliquot sum) s(n): 118370739
- 138112845 is a deficient number, because the sum of its proper divisors (118370739) is less than itself. Its deficiency is 19742106
Bases of 138112845
- Binary: 10000011101101101111010011012
- Hexadecimal: 0x83B6F4D
- Base-36: 2A88JX
Squares and roots of 138112845
- 138112845 squared (1381128452) is 19075157953994025
- 138112845 cubed (1381128453) is 2634524333850493905751125
-
The
square root of 138112845 is 11752.1421451581 -
The
cube root of 138112845 is 516.9057427491
Scales and comparisons
How big is 138112845?- 138,112,845 seconds is equal to 4 years, 20 weeks, 2 days, 12 hours, 40 minutes, 45 seconds.
-
To count from 1 to 138,112,845 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 138112845 cubic inches would be around 43.1 feet tall.
Recreational maths with 138112845
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