142442240
142,442,240 is an even composite number composed of four prime numbers multiplied together.
142442240 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 142442240:
28 × 5 × 19 × 5857
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 19 × 5857)See below for interesting mathematical facts about the number 142442240 from the Numbermatics database.
Names of 142442240
- Cardinal: 142442240 can be written as One hundred forty-two million, four hundred forty-two thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.4244224 × 108
Factors of 142442240
Divisors of 142442240
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 256 304 320 380 608 640 760 1216 1280 1520 2432 3040 4864 5857 6080 11714 12160 23428 24320 29285 46856 58570 93712 111283 117140 187424 222566 234280 374848 445132 468560 556415 749696 890264 937120 1112830 1499392 1780528 1874240 2225660 3561056 3748480 4451320 7122112 7496960 8902640 14244224 17805280 28488448 35610560 71221120 142442240
- Sum of all divisors σ(n): 359212560
- Sum of proper divisors (its aliquot sum) s(n): 216770320
- 142442240 is an abundant number, because the sum of its proper divisors (216770320) is greater than itself. Its abundance is 74328080
Bases of 142442240
- Binary: 10000111110101111111000000002
- Hexadecimal: 0x87D7F00
- Base-36: 2CT14W
Squares and roots of 142442240
- 142442240 squared (1424422402) is 20289791736217600
- 142442240 cubed (1424422403) is 2890123384040324071424000
-
The
square root of 142442240 is 11934.9168409337 -
The
cube root of 142442240 is 522.2513823729
Scales and comparisons
How big is 142442240?- 142,442,240 seconds is equal to 4 years, 27 weeks, 3 days, 15 hours, 17 minutes, 20 seconds.
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To count from 1 to 142,442,240 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 142442240 cubic inches would be around 43.5 feet tall.
Recreational maths with 142442240
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