71253290
71,253,290 is an even composite number composed of six prime numbers multiplied together.
71253290 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 71253290:
2 × 5 × 17 × 29 × 97 × 149
See below for interesting mathematical facts about the number 71253290 from the Numbermatics database.
Names of 71253290
- Cardinal: 71253290 can be written as Seventy-one million, two hundred fifty-three thousand, two hundred ninety.
Scientific notation
- Scientific notation: 7.125329 × 107
Factors of 71253290
Divisors of 71253290
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 5 10 17 29 34 58 85 97 145 149 170 194 290 298 485 493 745 970 986 1490 1649 2465 2533 2813 3298 4321 4930 5066 5626 8245 8642 12665 14065 14453 16490 21605 25330 28130 28906 43210 47821 72265 73457 95642 144530 146914 239105 245701 367285 419137 478210 491402 734570 838274 1228505 2095685 2457010 4191370 7125329 14250658 35626645 71253290
- Sum of all divisors σ(n): 142884000
- Sum of proper divisors (its aliquot sum) s(n): 71630710
- 71253290 is an abundant number, because the sum of its proper divisors (71630710) is greater than itself. Its abundance is 377420
Bases of 71253290
- Binary: 1000011111100111101001010102
- Hexadecimal: 0x43F3D2A
- Base-36: 16F7E2
Squares and roots of 71253290
- 71253290 squared (712532902) is 5077031335824100
- 71253290 cubed (712532903) is 361755186110561986289000
-
The
square root of 71253290 is 8441.1663885983 -
The
cube root of 71253290 is 414.5735979353
Scales and comparisons
How big is 71253290?- 71,253,290 seconds is equal to 2 years, 13 weeks, 5 days, 16 hours, 34 minutes, 50 seconds.
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To count from 1 to 71,253,290 would take you about three 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 71253290 cubic inches would be around 34.5 feet tall.
Recreational maths with 71253290
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