1225620
1,225,620 is an even composite number composed of five prime numbers multiplied together.
1225620 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 1225620:
22 × 32 × 5 × 11 × 619
(2 × 2 × 3 × 3 × 5 × 11 × 619)See below for interesting mathematical facts about the number 1225620 from the Numbermatics database.
Names of 1225620
- Cardinal: 1225620 can be written as One million, two hundred twenty-five thousand, six hundred twenty.
Scientific notation
- Scientific notation: 1.22562 × 106
Factors of 1225620
Divisors of 1225620
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 619 660 990 1238 1857 1980 2476 3095 3714 5571 6190 6809 7428 9285 11142 12380 13618 18570 20427 22284 27236 27855 34045 37140 40854 55710 61281 68090 81708 102135 111420 122562 136180 204270 245124 306405 408540 612810 1225620
- Sum of all divisors σ(n): 4062240
- Sum of proper divisors (its aliquot sum) s(n): 2836620
- 1225620 is an abundant number, because the sum of its proper divisors (2836620) is greater than itself. Its abundance is 1611000
Bases of 1225620
- Binary: 1001010110011100101002
- Hexadecimal: 0x12B394
- Base-36: Q9P0
Squares and roots of 1225620
- 1225620 squared (12256202) is 1502144384400
- 1225620 cubed (12256203) is 1841058200408328000
-
The
square root of 1225620 is 1107.0772330783 -
The
cube root of 1225620 is 107.0167965013
Scales and comparisons
How big is 1225620?- 1,225,620 seconds is equal to 2 weeks, 4 hours, 27 minutes.
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To count from 1 to 1,225,620 would take you about three 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 1225620 cubic inches would be around 8.9 feet tall.
Recreational maths with 1225620
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