142705395
142,705,395 is an odd composite number composed of five prime numbers multiplied together.
142705395 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-eight divisors.
Prime factorization of 142705395:
36 × 5 × 72 × 17 × 47
(3 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 7 × 17 × 47)See below for interesting mathematical facts about the number 142705395 from the Numbermatics database.
Names of 142705395
- Cardinal: 142705395 can be written as One hundred forty-two million, seven hundred five thousand, three hundred ninety-five.
Scientific notation
- Scientific notation: 1.42705395 × 108
Factors of 142705395
Divisors of 142705395
- Number of divisors d(n): 168
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Complete list of divisors:
1 3 5 7 9 15 17 21 27 35 45 47 49 51 63 81 85 105 119 135 141 147 153 189 235 243 245 255 315 329 357 405 423 441 459 567 595 705 729 735 765 799 833 945 987 1071 1215 1269 1323 1377 1645 1701 1785 2115 2205 2295 2303 2397 2499 2835 2961 3213 3645 3807 3969 3995 4131 4165 4935 5103 5355 5593 6345 6615 6885 6909 7191 7497 8505 8883 9639 11421 11515 11907 11985 12393 12495 14805 16065 16779 19035 19845 20655 20727 21573 22491 25515 26649 27965 28917 34263 34545 35721 35955 37485 39151 44415 48195 50337 57105 59535 61965 62181 64719 67473 79947 83895 86751 103635 107865 112455 117453 133245 144585 151011 171315 178605 186543 194157 195755 202419 239841 251685 310905 323595 337365 352359 399735 433755 453033 559629 582471 587265 607257 755055 932715 970785 1012095 1057077 1199205 1359099 1678887 1761795 2265165 2798145 2912355 3036285 3171231 4077297 5285385 6795495 8394435 9513693 15856155 20386485 28541079 47568465 142705395
- Sum of all divisors σ(n): 322968384
- Sum of proper divisors (its aliquot sum) s(n): 180262989
- 142705395 is an abundant number, because the sum of its proper divisors (180262989) is greater than itself. Its abundance is 37557594
Bases of 142705395
- Binary: 10001000000110000010111100112
- Hexadecimal: 0x88182F3
- Base-36: 2CYO6R
Squares and roots of 142705395
- 142705395 squared (1427053952) is 20364829762106025
- 142705395 cubed (1427053953) is 2906171075309096329504875
-
The
square root of 142705395 is 11945.9363383539 -
The
cube root of 142705395 is 522.5727957303
Scales and comparisons
How big is 142705395?- 142,705,395 seconds is equal to 4 years, 27 weeks, 6 days, 16 hours, 23 minutes, 15 seconds.
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To count from 1 to 142,705,395 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 142705395 cubic inches would be around 43.5 feet tall.
Recreational maths with 142705395
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