3981250
3,981,250 is an even composite number composed of four prime numbers multiplied together.
3981250 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 3981250:
2 × 55 × 72 × 13
(2 × 5 × 5 × 5 × 5 × 5 × 7 × 7 × 13)See below for interesting mathematical facts about the number 3981250 from the Numbermatics database.
Names of 3981250
- Cardinal: 3981250 can be written as Three million, nine hundred eighty-one thousand, two hundred fifty.
Scientific notation
- Scientific notation: 3.98125 × 106
Factors of 3981250
Divisors of 3981250
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 5 7 10 13 14 25 26 35 49 50 65 70 91 98 125 130 175 182 245 250 325 350 455 490 625 637 650 875 910 1225 1250 1274 1625 1750 2275 2450 3125 3185 3250 4375 4550 6125 6250 6370 8125 8750 11375 12250 15925 16250 21875 22750 30625 31850 40625 43750 56875 61250 79625 81250 113750 153125 159250 284375 306250 398125 568750 796250 1990625 3981250
- Sum of all divisors σ(n): 9350964
- Sum of proper divisors (its aliquot sum) s(n): 5369714
- 3981250 is an abundant number, because the sum of its proper divisors (5369714) is greater than itself. Its abundance is 1388464
Bases of 3981250
- Binary: 11110010111111110000102
- Hexadecimal: 0x3CBFC2
- Base-36: 2DBYA
Squares and roots of 3981250
- 3981250 squared (39812502) is 15850351562500
- 3981250 cubed (39812503) is 63104212158203125000
-
The
square root of 3981250 is 1995.3069939235 -
The
cube root of 3981250 is 158.4916852211
Scales and comparisons
How big is 3981250?- 3,981,250 seconds is equal to 6 weeks, 4 days, 1 hour, 54 minutes, 10 seconds.
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To count from 1 to 3,981,250 would take you about nine weeks!
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 3981250 cubic inches would be around 13.2 feet tall.
Recreational maths with 3981250
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The information we have on file for 3981250 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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