138891264
138,891,264 is an even composite number composed of four prime numbers multiplied together.
138891264 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred four divisors.
Prime factorization of 138891264:
212 × 3 × 89 × 127
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 89 × 127)See below for interesting mathematical facts about the number 138891264 from the Numbermatics database.
Names of 138891264
- Cardinal: 138891264 can be written as One hundred thirty-eight million, eight hundred ninety-one thousand, two hundred sixty-four.
Scientific notation
- Scientific notation: 1.38891264 × 108
Factors of 138891264
Divisors of 138891264
- Number of divisors d(n): 104
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 48 64 89 96 127 128 178 192 254 256 267 356 381 384 508 512 534 712 762 768 1016 1024 1068 1424 1524 1536 2032 2048 2136 2848 3048 3072 4064 4096 4272 5696 6096 6144 8128 8544 11303 11392 12192 12288 16256 17088 22606 22784 24384 32512 33909 34176 45212 45568 48768 65024 67818 68352 90424 91136 97536 130048 135636 136704 180848 182272 195072 260096 271272 273408 361696 364544 390144 520192 542544 546816 723392 780288 1085088 1093632 1446784 1560576 2170176 2893568 4340352 5787136 8680704 11574272 17361408 23148544 34722816 46297088 69445632 138891264
- Sum of all divisors σ(n): 377441280
- Sum of proper divisors (its aliquot sum) s(n): 238550016
- 138891264 is an abundant number, because the sum of its proper divisors (238550016) is greater than itself. Its abundance is 99658752
Bases of 138891264
- Binary: 10000100011101010000000000002
- Hexadecimal: 0x8475000
- Base-36: 2AOX6O
Squares and roots of 138891264
- 138891264 squared (1388912642) is 19290783215517696
- 138891264 cubed (1388912643) is 2679321264353237211807744
-
The
square root of 138891264 is 11785.2137867753 -
The
cube root of 138891264 is 517.8750363177
Scales and comparisons
How big is 138891264?- 138,891,264 seconds is equal to 4 years, 21 weeks, 4 days, 12 hours, 54 minutes, 24 seconds.
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To count from 1 to 138,891,264 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 138891264 cubic inches would be around 43.2 feet tall.
Recreational maths with 138891264
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