145985749
145,985,749 is an odd composite number composed of four prime numbers multiplied together.
145985749 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-four divisors.
Prime factorization of 145985749:
72 × 132 × 172 × 61
(7 × 7 × 13 × 13 × 17 × 17 × 61)See below for interesting mathematical facts about the number 145985749 from the Numbermatics database.
Names of 145985749
- Cardinal: 145985749 can be written as One hundred forty-five million, nine hundred eighty-five thousand, seven hundred forty-nine.
Scientific notation
- Scientific notation: 1.45985749 × 108
Factors of 145985749
Divisors of 145985749
- Number of divisors d(n): 54
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Complete list of divisors:
1 7 13 17 49 61 91 119 169 221 289 427 637 793 833 1037 1183 1547 2023 2873 2989 3757 5551 7259 8281 10309 10829 13481 14161 17629 20111 26299 38857 48841 50813 72163 94367 123403 140777 175253 184093 229177 341887 505141 660569 863821 1226771 1604239 2393209 2979301 8587397 11229673 20855107 145985749
- Sum of all divisors σ(n): 198543654
- Sum of proper divisors (its aliquot sum) s(n): 52557905
- 145985749 is a deficient number, because the sum of its proper divisors (52557905) is less than itself. Its deficiency is 93427844
Bases of 145985749
- Binary: 10001011001110010000110101012
- Hexadecimal: 0x8B390D5
- Base-36: 2EWZBP
Squares and roots of 145985749
- 145985749 squared (1459857492) is 21311838911091001
- 145985749 cubed (1459857493) is 3111224766002964188144749
-
The
square root of 145985749 is 12082.4562486275 -
The
cube root of 145985749 is 526.5466097029
Scales and comparisons
How big is 145985749?- 145,985,749 seconds is equal to 4 years, 33 weeks, 2 days, 15 hours, 35 minutes, 49 seconds.
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To count from 1 to 145,985,749 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 145985749 cubic inches would be around 43.9 feet tall.
Recreational maths with 145985749
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The information we have on file for 145985749 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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