142991808
142,991,808 is an even composite number composed of five prime numbers multiplied together.
142991808 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 142991808:
26 × 3 × 29 × 61 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 29 × 61 × 421)See below for interesting mathematical facts about the number 142991808 from the Numbermatics database.
Names of 142991808
- Cardinal: 142991808 can be written as One hundred forty-two million, nine hundred ninety-one thousand, eight hundred eight.
Scientific notation
- Scientific notation: 1.42991808 × 108
Factors of 142991808
Divisors of 142991808
- Number of divisors d(n): 112
-
Complete list of divisors:
1 2 3 4 6 8 12 16 24 29 32 48 58 61 64 87 96 116 122 174 183 192 232 244 348 366 421 464 488 696 732 842 928 976 1263 1392 1464 1684 1769 1856 1952 2526 2784 2928 3368 3538 3904 5052 5307 5568 5856 6736 7076 10104 10614 11712 12209 13472 14152 20208 21228 24418 25681 26944 28304 36627 40416 42456 48836 51362 56608 73254 77043 80832 84912 97672 102724 113216 146508 154086 169824 195344 205448 293016 308172 339648 390688 410896 586032 616344 744749 781376 821792 1172064 1232688 1489498 1643584 2234247 2344128 2465376 2978996 4468494 4930752 5957992 8936988 11915984 17873976 23831968 35747952 47663936 71495904 142991808
- Sum of all divisors σ(n): 398739360
- Sum of proper divisors (its aliquot sum) s(n): 255747552
- 142991808 is an abundant number, because the sum of its proper divisors (255747552) is greater than itself. Its abundance is 112755744
Bases of 142991808
- Binary: 10001000010111100001110000002
- Hexadecimal: 0x885E1C0
- Base-36: 2D4T6O
Squares and roots of 142991808
- 142991808 squared (1429918082) is 20446657155108864
- 142991808 cubed (1429918083) is 2923704474165152900186112
-
The
square root of 142991808 is 11957.9182134685 -
The
cube root of 142991808 is 522.9221672969
Scales and comparisons
How big is 142991808?- 142,991,808 seconds is equal to 4 years, 28 weeks, 2 days, 23 hours, 56 minutes, 48 seconds.
-
To count from 1 to 142,991,808 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 142991808 cubic inches would be around 43.6 feet tall.
Recreational maths with 142991808
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The information we have on file for 142991808 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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