138921723864
138,921,723,864 is an even composite number composed of six prime numbers multiplied together.
138921723864 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 138921723864:
23 × 33 × 7 × 11 × 179 × 46663
(2 × 2 × 2 × 3 × 3 × 3 × 7 × 11 × 179 × 46663)See below for interesting mathematical facts about the number 138921723864 from the Numbermatics database.
Names of 138921723864
- Cardinal: 138921723864 can be written as One hundred thirty-eight billion, nine hundred twenty-one million, seven hundred twenty-three thousand, eight hundred sixty-four.
Scientific notation
- Scientific notation: 1.38921723864 × 1011
Factors of 138921723864
Divisors of 138921723864
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 54 56 63 66 72 77 84 88 99 108 126 132 154 168 179 189 198 216 231 252 264 297 308 358 378 396 462 504 537 594 616 693 716 756 792 924 1074 1188 1253 1386 1432 1512 1611 1848 1969 2079 2148 2376 2506 2772 3222 3759 3938 4158 4296 4833 5012 5544 5907 6444 7518 7876 8316 9666 10024 11277 11814 12888 13783 15036 15752 16632 17721 19332 22554 23628 27566 30072 33831 35442 38664 41349 45108 46663 47256 53163 55132 67662 70884 82698 90216 93326 106326 110264 124047 135324 139989 141768 165396 186652 212652 248094 270648 279978 326641 330792 372141 373304 419967 425304 496188 513293 559956 653282 744282 839934 979923 992376 1026586 1119912 1259901 1306564 1488564 1539879 1679868 1959846 2053172 2519802 2613128 2939769 2977128 3079758 3359736 3593051 3919692 4106344 4619637 5039604 5879538 6159516 7186102 7839384 8352677 8819307 9239274 10079208 10779153 11759076 12319032 13858911 14372204 16705354 17638614 18478548 21558306 23518152 25058031 27717822 28744408 32337459 33410708 35277228 36957096 43116612 50116062 55435644 58468739 64674918 66821416 70554456 75174093 86233224 91879447 97012377 100232124 110871288 116937478 129349836 150348186 175406217 183758894 194024754 200464248 225522279 233874956 258699672 275638341 300696372 350812434 367517788 388049508 451044558 467749912 526218651 551276682 601392744 643156129 701624868 735035576 776099016 826915023 902089116 1052437302 1102553364 1286312258 1403249736 1578655953 1653830046 1804178232 1929468387 2104874604 2205106728 2480745069 2572624516 3157311906 3307660092 3858936774 4209749208 4961490138 5145249032 5788405161 6314623812 6615320184 7717873548 9922980276 11576810322 12629247624 15435747096 17365215483 19845960552 23153620644 34730430966 46307241288 69460861932 138921723864
- Sum of all divisors σ(n): 483812352000
- Sum of proper divisors (its aliquot sum) s(n): 344890628136
- 138921723864 is an abundant number, because the sum of its proper divisors (344890628136) is greater than itself. Its abundance is 205968904272
Bases of 138921723864
- Binary: 100000010110000110000101000111110110002
- Hexadecimal: 0x20586147D8
- Base-36: 1RTIEO60
Squares and roots of 138921723864
- 138921723864 squared (1389217238642) is 19299245361345467090496
- 138921723864 cubed (1389217238643) is 2681084434872417878653984810796544
-
The
square root of 138921723864 is 372722.0463884583 -
The
cube root of 138921723864 is 5179.1289147085
Scales and comparisons
How big is 138921723864?- 138,921,723,864 seconds is equal to 4,417 years, 14 weeks, 4 days, 7 hours, 44 minutes, 24 seconds.
-
To count from 1 to 138,921,723,864 would take you about eight thousand, eight hundred thirty-four 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 138921723864 cubic inches would be around 431.6 feet tall.
Recreational maths with 138921723864
- 138921723864 backwards is 468327129831
- 138921723864 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138921723864's digits is 54
- More coming soon!
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