138906835816
138,906,835,816 is an even composite number composed of four prime numbers multiplied together.
138906835816 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 138906835816:
23 × 72 × 9151 × 38723
(2 × 2 × 2 × 7 × 7 × 9151 × 38723)See below for interesting mathematical facts about the number 138906835816 from the Numbermatics database.
Names of 138906835816
- Cardinal: 138906835816 can be written as One hundred thirty-eight billion, nine hundred six million, eight hundred thirty-five thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 1.38906835816 × 1011
Factors of 138906835816
Divisors of 138906835816
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 4 7 8 14 28 49 56 98 196 392 9151 18302 36604 38723 64057 73208 77446 128114 154892 256228 271061 309784 448399 512456 542122 896798 1084244 1793596 1897427 2168488 3587192 3794854 7589708 15179416 354354173 708708346 1417416692 2480479211 2834833384 4960958422 9921916844 17363354477 19843833688 34726708954 69453417908 138906835816
- Sum of all divisors σ(n): 303013751040
- Sum of proper divisors (its aliquot sum) s(n): 164106915224
- 138906835816 is an abundant number, because the sum of its proper divisors (164106915224) is greater than itself. Its abundance is 25200079408
Bases of 138906835816
- Binary: 100000010101110111111000011011011010002
- Hexadecimal: 0x20577E1B68
- Base-36: 1RT9JKH4
Squares and roots of 138906835816
- 138906835816 squared (1389068358162) is 19295109036413180385856
- 138906835816 cubed (1389068358163) is 2680222542972863613396490920618496
-
The
square root of 138906835816 is 372702.0738015821 -
The
cube root of 138906835816 is 5178.9438947505
Scales and comparisons
How big is 138906835816?- 138,906,835,816 seconds is equal to 4,416 years, 42 weeks, 10 minutes, 16 seconds.
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To count from 1 to 138,906,835,816 would take you about eight thousand, eight hundred thirty-three 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 138906835816 cubic inches would be around 431.6 feet tall.
Recreational maths with 138906835816
- 138906835816 backwards is 618538609831
- The number of decimal digits it has is: 12
- The sum of 138906835816's digits is 58
- More coming soon!
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