138401928
138,401,928 is an even composite number composed of six prime numbers multiplied together.
138401928 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138401928:
23 × 32 × 7 × 19 × 97 × 149
(2 × 2 × 2 × 3 × 3 × 7 × 19 × 97 × 149)See below for interesting mathematical facts about the number 138401928 from the Numbermatics database.
Names of 138401928
- Cardinal: 138401928 can be written as One hundred thirty-eight million, four hundred one thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38401928 × 108
Factors of 138401928
Divisors of 138401928
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 36 38 42 56 57 63 72 76 84 97 114 126 133 149 152 168 171 194 228 252 266 291 298 342 388 399 447 456 504 532 582 596 679 684 776 798 873 894 1043 1064 1164 1192 1197 1341 1358 1368 1596 1746 1788 1843 2037 2086 2328 2394 2682 2716 2831 3129 3192 3492 3576 3686 4074 4172 4788 5364 5432 5529 5662 6111 6258 6984 7372 8148 8344 8493 9387 9576 10728 11058 11324 12222 12516 12901 14453 14744 16296 16587 16986 18774 19817 22116 22648 24444 25032 25479 25802 28906 33174 33972 37548 38703 39634 43359 44232 48888 50958 51604 57812 59451 66348 67944 75096 77406 79268 86718 101171 101916 103208 115624 116109 118902 130077 132696 154812 158536 173436 178353 202342 203832 232218 237804 260154 274607 303513 309624 346872 356706 404684 464436 475608 520308 549214 607026 713412 809368 823821 910539 928872 1040616 1098428 1214052 1426824 1647642 1821078 1922249 2196856 2428104 2471463 3295284 3642156 3844498 4942926 5766747 6590568 7284312 7688996 9885852 11533494 15377992 17300241 19771704 23066988 34600482 46133976 69200964 138401928
- Sum of all divisors σ(n): 458640000
- Sum of proper divisors (its aliquot sum) s(n): 320238072
- 138401928 is an abundant number, because the sum of its proper divisors (320238072) is greater than itself. Its abundance is 181836144
Bases of 138401928
- Binary: 10000011111111011000100010002
- Hexadecimal: 0x83FD888
- Base-36: 2AEFM0
Squares and roots of 138401928
- 138401928 squared (1384019282) is 19155093674117184
- 138401928 cubed (1384019283) is 2651101895518421963530752
-
The
square root of 138401928 is 11764.4348780551 -
The
cube root of 138401928 is 517.2661353153
Scales and comparisons
How big is 138401928?- 138,401,928 seconds is equal to 4 years, 20 weeks, 5 days, 20 hours, 58 minutes, 48 seconds.
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To count from 1 to 138,401,928 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 138401928 cubic inches would be around 43.1 feet tall.
Recreational maths with 138401928
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The information we have on file for 138401928 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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