3870020
3,870,020 is an even composite number composed of five prime numbers multiplied together.
3870020 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 3870020:
22 × 5 × 72 × 11 × 359
(2 × 2 × 5 × 7 × 7 × 11 × 359)See below for interesting mathematical facts about the number 3870020 from the Numbermatics database.
Names of 3870020
- Cardinal: 3870020 can be written as Three million, eight hundred seventy thousand and twenty.
Scientific notation
- Scientific notation: 3.87002 × 106
Factors of 3870020
Divisors of 3870020
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 70 77 98 110 140 154 196 220 245 308 359 385 490 539 718 770 980 1078 1436 1540 1795 2156 2513 2695 3590 3949 5026 5390 7180 7898 10052 10780 12565 15796 17591 19745 25130 27643 35182 39490 50260 55286 70364 78980 87955 110572 138215 175910 193501 276430 351820 387002 552860 774004 967505 1935010 3870020
- Sum of all divisors σ(n): 10342080
- Sum of proper divisors (its aliquot sum) s(n): 6472060
- 3870020 is an abundant number, because the sum of its proper divisors (6472060) is greater than itself. Its abundance is 2602040
Bases of 3870020
- Binary: 11101100001101010001002
- Hexadecimal: 0x3B0D44
- Base-36: 2AY4K
Squares and roots of 3870020
- 3870020 squared (38700202) is 14977054800400
- 3870020 cubed (38700203) is 57961501618644008000
-
The
square root of 3870020 is 1967.2366405697 -
The
cube root of 3870020 is 157.0017174275
Scales and comparisons
How big is 3870020?- 3,870,020 seconds is equal to 6 weeks, 2 days, 19 hours, 20 seconds.
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To count from 1 to 3,870,020 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 3870020 cubic inches would be around 13.1 feet tall.
Recreational maths with 3870020
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