149725290
149,725,290 is an even composite number composed of seven prime numbers multiplied together.
149725290 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 149725290:
2 × 3 × 5 × 11 × 13 × 17 × 2053
See below for interesting mathematical facts about the number 149725290 from the Numbermatics database.
Names of 149725290
- Cardinal: 149725290 can be written as One hundred forty-nine million, seven hundred twenty-five thousand, two hundred ninety.
Scientific notation
- Scientific notation: 1.4972529 × 108
Factors of 149725290
Divisors of 149725290
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 10 11 13 15 17 22 26 30 33 34 39 51 55 65 66 78 85 102 110 130 143 165 170 187 195 221 255 286 330 374 390 429 442 510 561 663 715 858 935 1105 1122 1326 1430 1870 2053 2145 2210 2431 2805 3315 4106 4290 4862 5610 6159 6630 7293 10265 12155 12318 14586 20530 22583 24310 26689 30795 34901 36465 45166 53378 61590 67749 69802 72930 80067 104703 112915 133445 135498 160134 174505 209406 225830 266890 293579 338745 349010 383911 400335 453713 523515 587158 677490 767822 800670 880737 907426 1047030 1151733 1361139 1467895 1761474 1919555 2268565 2303466 2722278 2935790 3839110 4403685 4537130 4990843 5758665 6805695 8807370 9981686 11517330 13611390 14972529 24954215 29945058 49908430 74862645 149725290
- Sum of all divisors σ(n): 447213312
- Sum of proper divisors (its aliquot sum) s(n): 297488022
- 149725290 is an abundant number, because the sum of its proper divisors (297488022) is greater than itself. Its abundance is 147762732
Bases of 149725290
- Binary: 10001110110010100000011010102
- Hexadecimal: 0x8ECA06A
- Base-36: 2H54RU
Squares and roots of 149725290
- 149725290 squared (1497252902) is 22417662465584100
- 149725290 cubed (1497252903) is 3356491013781694391889000
-
The
square root of 149725290 is 12236.2285856387 -
The
cube root of 149725290 is 531.0047275621
Scales and comparisons
How big is 149725290?- 149,725,290 seconds is equal to 4 years, 39 weeks, 3 days, 22 hours, 21 minutes, 30 seconds.
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To count from 1 to 149,725,290 would take you about seven 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 149725290 cubic inches would be around 44.3 feet tall.
Recreational maths with 149725290
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