138001864
138,001,864 is an even composite number composed of six prime numbers multiplied together.
138001864 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 138001864:
23 × 7 × 11 × 13 × 19 × 907
(2 × 2 × 2 × 7 × 11 × 13 × 19 × 907)See below for interesting mathematical facts about the number 138001864 from the Numbermatics database.
Names of 138001864
- Cardinal: 138001864 can be written as One hundred thirty-eight million, one thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.38001864 × 108
Factors of 138001864
Divisors of 138001864
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 7 8 11 13 14 19 22 26 28 38 44 52 56 76 77 88 91 104 133 143 152 154 182 209 247 266 286 308 364 418 494 532 572 616 728 836 907 988 1001 1064 1144 1463 1672 1729 1814 1976 2002 2717 2926 3458 3628 4004 5434 5852 6349 6916 7256 8008 9977 10868 11704 11791 12698 13832 17233 19019 19954 21736 23582 25396 34466 38038 39908 47164 50792 68932 69839 76076 79816 82537 94328 120631 129701 137864 139678 152152 165074 189563 224029 241262 259402 279356 330148 379126 448058 482524 518804 558712 660296 758252 896116 907907 965048 1037608 1326941 1516504 1568203 1792232 1815814 2464319 2653882 3136406 3631628 4928638 5307764 6272812 7263256 9857276 10615528 12545624 17250233 19714552 34500466 69000932 138001864
- Sum of all divisors σ(n): 366105600
- Sum of proper divisors (its aliquot sum) s(n): 228103736
- 138001864 is an abundant number, because the sum of its proper divisors (228103736) is greater than itself. Its abundance is 90101872
Bases of 138001864
- Binary: 10000011100110111101110010002
- Hexadecimal: 0x839BDC8
- Base-36: 2A5UX4
Squares and roots of 138001864
- 138001864 squared (1380018642) is 19044514467474496
- 138001864 cubed (1380018643) is 2628178495486447820460544
-
The
square root of 138001864 is 11747.4194613115 -
The
cube root of 138001864 is 516.7672519165
Scales and comparisons
How big is 138001864?- 138,001,864 seconds is equal to 4 years, 20 weeks, 1 day, 5 hours, 51 minutes, 4 seconds.
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To count from 1 to 138,001,864 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 138001864 cubic inches would be around 43.1 feet tall.
Recreational maths with 138001864
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