142639840
142,639,840 is an even composite number composed of five prime numbers multiplied together.
142639840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 142639840:
25 × 5 × 7 × 19 × 6703
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 19 × 6703)See below for interesting mathematical facts about the number 142639840 from the Numbermatics database.
Names of 142639840
- Cardinal: 142639840 can be written as One hundred forty-two million, six hundred thirty-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.4263984 × 108
Factors of 142639840
Divisors of 142639840
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 70 76 80 95 112 133 140 152 160 190 224 266 280 304 380 532 560 608 665 760 1064 1120 1330 1520 2128 2660 3040 4256 5320 6703 10640 13406 21280 26812 33515 46921 53624 67030 93842 107248 127357 134060 187684 214496 234605 254714 268120 375368 469210 509428 536240 636785 750736 891499 938420 1018856 1072480 1273570 1501472 1782998 1876840 2037712 2547140 3565996 3753680 4075424 4457495 5094280 7131992 7507360 8914990 10188560 14263984 17829980 20377120 28527968 35659960 71319920 142639840
- Sum of all divisors σ(n): 405457920
- Sum of proper divisors (its aliquot sum) s(n): 262818080
- 142639840 is an abundant number, because the sum of its proper divisors (262818080) is greater than itself. Its abundance is 120178240
Bases of 142639840
- Binary: 10001000000010000010111000002
- Hexadecimal: 0x88082E0
- Base-36: 2CX9LS
Squares and roots of 142639840
- 142639840 squared (1426398402) is 20346123955225600
- 142639840 cubed (1426398403) is 2902167865593546747904000
-
The
square root of 142639840 is 11943.1922030921 -
The
cube root of 142639840 is 522.4927648701
Scales and comparisons
How big is 142639840?- 142,639,840 seconds is equal to 4 years, 27 weeks, 5 days, 22 hours, 10 minutes, 40 seconds.
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To count from 1 to 142,639,840 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 142639840 cubic inches would be around 43.5 feet tall.
Recreational maths with 142639840
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The information we have on file for 142639840 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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