142689456
142,689,456 is an even composite number composed of five prime numbers multiplied together.
142689456 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 142689456:
24 × 32 × 7 × 13 × 10889
(2 × 2 × 2 × 2 × 3 × 3 × 7 × 13 × 10889)See below for interesting mathematical facts about the number 142689456 from the Numbermatics database.
Names of 142689456
- Cardinal: 142689456 can be written as One hundred forty-two million, six hundred eighty-nine thousand, four hundred fifty-six.
Scientific notation
- Scientific notation: 1.42689456 × 108
Factors of 142689456
Divisors of 142689456
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 72 78 84 91 104 112 117 126 144 156 168 182 208 234 252 273 312 336 364 468 504 546 624 728 819 936 1008 1092 1456 1638 1872 2184 3276 4368 6552 10889 13104 21778 32667 43556 65334 76223 87112 98001 130668 141557 152446 174224 196002 228669 261336 283114 304892 392004 424671 457338 522672 566228 609784 686007 784008 849342 914676 990899 1132456 1219568 1274013 1372014 1568016 1698684 1829352 1981798 2264912 2548026 2744028 2972697 3397368 3658704 3963596 5096052 5488056 5945394 6794736 7927192 8918091 10192104 10976112 11890788 15854384 17836182 20384208 23781576 35672364 47563152 71344728 142689456
- Sum of all divisors σ(n): 491531040
- Sum of proper divisors (its aliquot sum) s(n): 348841584
- 142689456 is an abundant number, because the sum of its proper divisors (348841584) is greater than itself. Its abundance is 206152128
Bases of 142689456
- Binary: 10001000000101000100101100002
- Hexadecimal: 0x88144B0
- Base-36: 2CYBW0
Squares and roots of 142689456
- 142689456 squared (1426894562) is 20360280853575936
- 142689456 cubed (1426894563) is 2905197399003965962530816
-
The
square root of 142689456 is 11945.2691890975 -
The
cube root of 142689456 is 522.5533393347
Scales and comparisons
How big is 142689456?- 142,689,456 seconds is equal to 4 years, 27 weeks, 6 days, 11 hours, 57 minutes, 36 seconds.
-
To count from 1 to 142,689,456 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 142689456 cubic inches would be around 43.5 feet tall.
Recreational maths with 142689456
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