1225440
1,225,440 is an even composite number composed of five prime numbers multiplied together.
1225440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 1225440:
25 × 32 × 5 × 23 × 37
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 23 × 37)See below for interesting mathematical facts about the number 1225440 from the Numbermatics database.
Names of 1225440
- Cardinal: 1225440 can be written as One million, two hundred twenty-five thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.22544 × 106
Factors of 1225440
Divisors of 1225440
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 23 24 30 32 36 37 40 45 46 48 60 69 72 74 80 90 92 96 111 115 120 138 144 148 160 180 184 185 207 222 230 240 276 288 296 333 345 360 368 370 414 444 460 480 552 555 592 666 690 720 736 740 828 851 888 920 1035 1104 1110 1184 1332 1380 1440 1480 1656 1665 1702 1776 1840 2070 2208 2220 2553 2664 2760 2960 3312 3330 3404 3552 3680 4140 4255 4440 5106 5328 5520 5920 6624 6660 6808 7659 8280 8510 8880 10212 10656 11040 12765 13320 13616 15318 16560 17020 17760 20424 25530 26640 27232 30636 33120 34040 38295 40848 51060 53280 61272 68080 76590 81696 102120 122544 136160 153180 204240 245088 306360 408480 612720 1225440
- Sum of all divisors σ(n): 4481568
- Sum of proper divisors (its aliquot sum) s(n): 3256128
- 1225440 is an abundant number, because the sum of its proper divisors (3256128) is greater than itself. Its abundance is 2030688
Bases of 1225440
- Binary: 1001010110010111000002
- Hexadecimal: 0x12B2E0
- Base-36: Q9K0
Squares and roots of 1225440
- 1225440 squared (12254402) is 1501703193600
- 1225440 cubed (12254403) is 1840247161565184000
-
The
square root of 1225440 is 1106.9959349517 -
The
cube root of 1225440 is 107.0115572575
Scales and comparisons
How big is 1225440?- 1,225,440 seconds is equal to 2 weeks, 4 hours, 24 minutes.
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To count from 1 to 1,225,440 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 1225440 cubic inches would be around 8.9 feet tall.
Recreational maths with 1225440
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The information we have on file for 1225440 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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