138886974
138,886,974 is an even composite number composed of six prime numbers multiplied together.
138886974 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 138886974:
2 × 34 × 17 × 29 × 37 × 47
(2 × 3 × 3 × 3 × 3 × 17 × 29 × 37 × 47)See below for interesting mathematical facts about the number 138886974 from the Numbermatics database.
Names of 138886974
- Cardinal: 138886974 can be written as One hundred thirty-eight million, eight hundred eighty-six thousand, nine hundred seventy-four.
Scientific notation
- Scientific notation: 1.38886974 × 108
Factors of 138886974
Divisors of 138886974
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 6 9 17 18 27 29 34 37 47 51 54 58 74 81 87 94 102 111 141 153 162 174 222 261 282 306 333 423 459 493 522 629 666 783 799 846 918 986 999 1073 1258 1269 1363 1377 1479 1566 1598 1739 1887 1998 2146 2349 2397 2538 2726 2754 2958 2997 3219 3478 3774 3807 4089 4437 4698 4794 5217 5661 5994 6438 7191 7614 8178 8874 9657 10434 11322 12267 13311 14382 15651 16983 18241 19314 21573 23171 24534 26622 28971 29563 31302 33966 36482 36801 39933 43146 46342 46953 50431 50949 54723 57942 59126 64719 69513 73602 79866 86913 88689 93906 100862 101898 109446 110403 129438 139026 140859 151293 164169 173826 177378 208539 220806 266067 281718 302586 328338 417078 453879 492507 532134 625617 798201 857327 907758 985014 1251234 1361637 1477521 1596402 1714654 1876851 2394603 2571981 2723274 2955042 3753702 4084911 4789206 5143962 7715943 8169822 15431886 23147829 46295658 69443487 138886974
- Sum of all divisors σ(n): 357540480
- Sum of proper divisors (its aliquot sum) s(n): 218653506
- 138886974 is an abundant number, because the sum of its proper divisors (218653506) is greater than itself. Its abundance is 79766532
Bases of 138886974
- Binary: 10000100011100111111001111102
- Hexadecimal: 0x8473F3E
- Base-36: 2AOTVI
Squares and roots of 138886974
- 138886974 squared (1388869742) is 19289591546876676
- 138886974 cubed (1388869743) is 2679072999641680680818424
-
The
square root of 138886974 is 11785.0317776407 -
The
cube root of 138886974 is 517.8697043127
Scales and comparisons
How big is 138886974?- 138,886,974 seconds is equal to 4 years, 21 weeks, 4 days, 11 hours, 42 minutes, 54 seconds.
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To count from 1 to 138,886,974 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 138886974 cubic inches would be around 43.2 feet tall.
Recreational maths with 138886974
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