1385145990
1,385,145,990 is an even composite number composed of five prime numbers multiplied together.
1385145990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 1385145990:
2 × 32 × 5 × 532 × 5479
(2 × 3 × 3 × 5 × 53 × 53 × 5479)See below for interesting mathematical facts about the number 1385145990 from the Numbermatics database.
Names of 1385145990
- Cardinal: 1385145990 can be written as One billion, three hundred eighty-five million, one hundred forty-five thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.38514599 × 109
Factors of 1385145990
Divisors of 1385145990
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 30 45 53 90 106 159 265 318 477 530 795 954 1590 2385 2809 4770 5479 5618 8427 10958 14045 16437 16854 25281 27395 28090 32874 42135 49311 50562 54790 82185 84270 98622 126405 164370 246555 252810 290387 493110 580774 871161 1451935 1742322 2613483 2903870 4355805 5226966 8711610 13067415 15390511 26134830 30781022 46171533 76952555 92343066 138514599 153905110 230857665 277029198 461715330 692572995 1385145990
- Sum of all divisors σ(n): 3671282160
- Sum of proper divisors (its aliquot sum) s(n): 2286136170
- 1385145990 is an abundant number, because the sum of its proper divisors (2286136170) is greater than itself. Its abundance is 900990180
Bases of 1385145990
- Binary: 10100101000111110100110100001102
- Hexadecimal: 0x528FA686
- Base-36: MWOHHI
Squares and roots of 1385145990
- 1385145990 squared (13851459902) is 1918629413613080100
- 1385145990 cubed (13851459903) is 2657581838562209312063799000
-
The
square root of 1385145990 is 37217.5494894545 -
The
cube root of 1385145990 is 1114.7184338669
Scales and comparisons
How big is 1385145990?- 1,385,145,990 seconds is equal to 44 years, 2 weeks, 1 day, 18 hours, 46 minutes, 30 seconds.
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To count from 1 to 1,385,145,990 would take you about eighty-eight 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 1385145990 cubic inches would be around 92.9 feet tall.
Recreational maths with 1385145990
- 1385145990 backwards is 0995415831
- 1385145990 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1385145990's digits is 45
- More coming soon!
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The information we have on file for 1385145990 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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