142979902
142,979,902 is an even composite number composed of six prime numbers multiplied together.
142979902 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 142979902:
2 × 13 × 19 × 43 × 53 × 127
See below for interesting mathematical facts about the number 142979902 from the Numbermatics database.
Names of 142979902
- Cardinal: 142979902 can be written as One hundred forty-two million, nine hundred seventy-nine thousand, nine hundred two.
Scientific notation
- Scientific notation: 1.42979902 × 108
Factors of 142979902
Divisors of 142979902
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 13 19 26 38 43 53 86 106 127 247 254 494 559 689 817 1007 1118 1378 1634 1651 2014 2279 2413 3302 4558 4826 5461 6731 10621 10922 13091 13462 21242 26182 29627 31369 43301 59254 62738 70993 86602 87503 103759 127889 141986 175006 207518 255778 289433 562913 578866 1125826 1348867 1662557 2697734 3325114 3762629 5499227 7525258 10998454 71489951 142979902
- Sum of all divisors σ(n): 255467520
- Sum of proper divisors (its aliquot sum) s(n): 112487618
- 142979902 is a deficient number, because the sum of its proper divisors (112487618) is less than itself. Its deficiency is 30492284
Bases of 142979902
- Binary: 10001000010110110011001111102
- Hexadecimal: 0x885B33E
- Base-36: 2D4JZY
Squares and roots of 142979902
- 142979902 squared (1429799022) is 20443252375929604
- 142979902 cubed (1429799023) is 2922974221271681938818808
-
The
square root of 142979902 is 11957.4203739769 -
The
cube root of 142979902 is 522.9076534487
Scales and comparisons
How big is 142979902?- 142,979,902 seconds is equal to 4 years, 28 weeks, 2 days, 20 hours, 38 minutes, 22 seconds.
-
To count from 1 to 142,979,902 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 142979902 cubic inches would be around 43.6 feet tall.
Recreational maths with 142979902
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