142369990
142,369,990 is an even composite number composed of six prime numbers multiplied together.
142369990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 142369990:
2 × 5 × 72 × 29 × 43 × 233
(2 × 5 × 7 × 7 × 29 × 43 × 233)See below for interesting mathematical facts about the number 142369990 from the Numbermatics database.
Names of 142369990
- Cardinal: 142369990 can be written as One hundred forty-two million, three hundred sixty-nine thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.4236999 × 108
Factors of 142369990
Divisors of 142369990
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 5 7 10 14 29 35 43 49 58 70 86 98 145 203 215 233 245 290 301 406 430 466 490 602 1015 1165 1247 1421 1505 1631 2030 2107 2330 2494 2842 3010 3262 4214 6235 6757 7105 8155 8729 10019 10535 11417 12470 13514 14210 16310 17458 20038 21070 22834 33785 43645 47299 50095 57085 61103 67570 70133 87290 94598 100190 114170 122206 140266 236495 290551 305515 331093 350665 472990 490931 581102 611030 662186 701330 981862 1452755 1655465 2033857 2454655 2905510 3310930 4067714 4909310 10169285 14236999 20338570 28473998 71184995 142369990
- Sum of all divisors σ(n): 316910880
- Sum of proper divisors (its aliquot sum) s(n): 174540890
- 142369990 is an abundant number, because the sum of its proper divisors (174540890) is greater than itself. Its abundance is 32170900
Bases of 142369990
- Binary: 10000111110001100100110001102
- Hexadecimal: 0x87C64C6
- Base-36: 2CRHDY
Squares and roots of 142369990
- 142369990 squared (1423699902) is 20269214052600100
- 142369990 cubed (1423699903) is 2885727801976535710999000
-
The
square root of 142369990 is 11931.8896240285 -
The
cube root of 142369990 is 522.1630681115
Scales and comparisons
How big is 142369990?- 142,369,990 seconds is equal to 4 years, 27 weeks, 2 days, 19 hours, 13 minutes, 10 seconds.
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To count from 1 to 142,369,990 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 142369990 cubic inches would be around 43.5 feet tall.
Recreational maths with 142369990
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