138934440
138,934,440 is an even composite number composed of five prime numbers multiplied together.
138934440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 138934440:
23 × 34 × 5 × 137 × 313
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 137 × 313)See below for interesting mathematical facts about the number 138934440 from the Numbermatics database.
Names of 138934440
- Cardinal: 138934440 can be written as One hundred thirty-eight million, nine hundred thirty-four thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.3893444 × 108
Factors of 138934440
Divisors of 138934440
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 137 162 180 216 270 274 313 324 360 405 411 540 548 626 648 685 810 822 939 1080 1096 1233 1252 1370 1565 1620 1644 1878 2055 2466 2504 2740 2817 3130 3240 3288 3699 3756 4110 4695 4932 5480 5634 6165 6260 7398 7512 8220 8451 9390 9864 11097 11268 12330 12520 14085 14796 16440 16902 18495 18780 22194 22536 24660 25353 28170 29592 33804 36990 37560 42255 42881 44388 49320 50706 55485 56340 67608 73980 84510 85762 88776 101412 110970 112680 126765 128643 147960 169020 171524 202824 214405 221940 253530 257286 338040 343048 385929 428810 443880 507060 514572 643215 771858 857620 1014120 1029144 1157787 1286430 1543716 1715240 1929645 2315574 2572860 3087432 3473361 3859290 4631148 5145720 5788935 6946722 7718580 9262296 11577870 13893444 15437160 17366805 23155740 27786888 34733610 46311480 69467220 138934440
- Sum of all divisors σ(n): 471885480
- Sum of proper divisors (its aliquot sum) s(n): 332951040
- 138934440 is an abundant number, because the sum of its proper divisors (332951040) is greater than itself. Its abundance is 194016600
Bases of 138934440
- Binary: 10000100011111111000101010002
- Hexadecimal: 0x847F8A8
- Base-36: 2APUI0
Squares and roots of 138934440
- 138934440 squared (1389344402) is 19302778618113600
- 138934440 cubed (1389344403) is 2681820737751586872384000
-
The
square root of 138934440 is 11787.0454313201 -
The
cube root of 138934440 is 517.9286932947
Scales and comparisons
How big is 138934440?- 138,934,440 seconds is equal to 4 years, 21 weeks, 5 days, 54 minutes.
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To count from 1 to 138,934,440 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 138934440 cubic inches would be around 43.2 feet tall.
Recreational maths with 138934440
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