138968190
138,968,190 is an even composite number composed of five prime numbers multiplied together.
138968190 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138968190:
2 × 33 × 5 × 472 × 233
(2 × 3 × 3 × 3 × 5 × 47 × 47 × 233)See below for interesting mathematical facts about the number 138968190 from the Numbermatics database.
Names of 138968190
- Cardinal: 138968190 can be written as One hundred thirty-eight million, nine hundred sixty-eight thousand, one hundred ninety.
Scientific notation
- Scientific notation: 1.3896819 × 108
Factors of 138968190
Divisors of 138968190
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 27 30 45 47 54 90 94 135 141 233 235 270 282 423 466 470 699 705 846 1165 1269 1398 1410 2097 2115 2209 2330 2538 3495 4194 4230 4418 6291 6345 6627 6990 10485 10951 11045 12582 12690 13254 19881 20970 21902 22090 31455 32853 33135 39762 54755 59643 62910 65706 66270 98559 99405 109510 119286 164265 197118 198810 295677 298215 328530 492795 514697 591354 596430 985590 1029394 1478385 1544091 2573485 2956770 3088182 4632273 5146970 7720455 9264546 13896819 15440910 23161365 27793638 46322730 69484095 138968190
- Sum of all divisors σ(n): 380259360
- Sum of proper divisors (its aliquot sum) s(n): 241291170
- 138968190 is an abundant number, because the sum of its proper divisors (241291170) is greater than itself. Its abundance is 102322980
Bases of 138968190
- Binary: 10000100100001111100011111102
- Hexadecimal: 0x8487C7E
- Base-36: 2AQKJI
Squares and roots of 138968190
- 138968190 squared (1389681902) is 19312157831876100
- 138968190 cubed (1389681903) is 2683775618890145921259000
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The
square root of 138968190 is 11788.4770008683 -
The
cube root of 138968190 is 517.9706283689
Scales and comparisons
How big is 138968190?- 138,968,190 seconds is equal to 4 years, 21 weeks, 5 days, 10 hours, 16 minutes, 30 seconds.
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To count from 1 to 138,968,190 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 138968190 cubic inches would be around 43.2 feet tall.
Recreational maths with 138968190
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