142689855
142,689,855 is an odd composite number composed of five prime numbers multiplied together.
142689855 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 142689855:
3 × 5 × 7 × 113 × 1021
(3 × 5 × 7 × 11 × 11 × 11 × 1021)See below for interesting mathematical facts about the number 142689855 from the Numbermatics database.
Names of 142689855
- Cardinal: 142689855 can be written as One hundred forty-two million, six hundred eighty-nine thousand, eight hundred fifty-five.
Scientific notation
- Scientific notation: 1.42689855 × 108
Factors of 142689855
Divisors of 142689855
- Number of divisors d(n): 64
-
Complete list of divisors:
1 3 5 7 11 15 21 33 35 55 77 105 121 165 231 363 385 605 847 1021 1155 1331 1815 2541 3063 3993 4235 5105 6655 7147 9317 11231 12705 15315 19965 21441 27951 33693 35735 46585 56155 78617 107205 123541 139755 168465 235851 370623 393085 617705 864787 1179255 1358951 1853115 2594361 4076853 4323935 6794755 9512657 12971805 20384265 28537971 47563285 142689855
- Sum of all divisors σ(n): 287271936
- Sum of proper divisors (its aliquot sum) s(n): 144582081
- 142689855 is an abundant number, because the sum of its proper divisors (144582081) is greater than itself. Its abundance is 1892226
Bases of 142689855
- Binary: 10001000000101000110001111112
- Hexadecimal: 0x881463F
- Base-36: 2CYC73
Squares and roots of 142689855
- 142689855 squared (1426898552) is 20360394719921025
- 142689855 cubed (1426898553) is 2905221770328296668701375
-
The
square root of 142689855 is 11945.2858902581 -
The
cube root of 142689855 is 522.5538264031
Scales and comparisons
How big is 142689855?- 142,689,855 seconds is equal to 4 years, 27 weeks, 6 days, 12 hours, 4 minutes, 15 seconds.
-
To count from 1 to 142,689,855 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 142689855 cubic inches would be around 43.5 feet tall.
Recreational maths with 142689855
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