142872240
142,872,240 is an even composite number composed of five prime numbers multiplied together.
What does the number 142872240 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 120 divisors.
142872240 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 142872240:
24 × 3 × 5 × 72 × 12149
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 12149)See below for interesting mathematical facts about the number 142872240 from the Numbermatics database.
Names of 142872240
- Cardinal: 142872240 can be written as One hundred forty-two million, eight hundred seventy-two thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.4287224 × 108
Factors of 142872240
Divisors of 142872240
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 49 56 60 70 80 84 98 105 112 120 140 147 168 196 210 240 245 280 294 336 392 420 490 560 588 735 784 840 980 1176 1470 1680 1960 2352 2940 3920 5880 11760 12149 24298 36447 48596 60745 72894 85043 97192 121490 145788 170086 182235 194384 242980 255129 291576 340172 364470 425215 485960 510258 583152 595301 680344 728940 850430 971920 1020516 1190602 1275645 1360688 1457880 1700860 1785903 2041032 2381204 2551290 2915760 2976505 3401720 3571806 4082064 4762408 5102580 5953010 6803440 7143612 8929515 9524816 10205160 11906020 14287224 17859030 20410320 23812040 28574448 35718060 47624080 71436120 142872240
- Sum of all divisors σ(n): 515257200
- Sum of proper divisors (its aliquot sum) s(n): 372384960
- 142872240 is an abundant number, because the sum of its proper divisors (372384960) is greater than itself. Its abundance is 229512720
Bases of 142872240
- Binary: 10001000010000001110101100002
- Hexadecimal: 0x8840EB0
- Base-36: 2D28XC
Squares and roots of 142872240
- 142872240 squared (1428722402) is 20412476962617600
- 142872240 cubed (1428722403) is 2916376307597572775424000
-
The
square root of 142872240 is 11952.9176354563 -
The
cube root of 142872240 is 522.7763729465
Scales and comparisons
How big is 142872240?- 142,872,240 seconds is equal to 4 years, 28 weeks, 1 day, 14 hours, 44 minutes.
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To count from 1 to 142,872,240 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 142872240 cubic inches would be around 43.6 feet tall.
Recreational maths with 142872240
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