55387440
55,387,440 is an even composite number composed of five prime numbers multiplied together.
55387440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 55387440:
24 × 32 × 5 × 43 × 1789
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 43 × 1789)See below for interesting mathematical facts about the number 55387440 from the Numbermatics database.
Names of 55387440
- Cardinal: 55387440 can be written as Fifty-five million, three hundred eighty-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 5.538744 × 107
Factors of 55387440
Divisors of 55387440
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 43 45 48 60 72 80 86 90 120 129 144 172 180 215 240 258 344 360 387 430 516 645 688 720 774 860 1032 1290 1548 1720 1789 1935 2064 2580 3096 3440 3578 3870 5160 5367 6192 7156 7740 8945 10320 10734 14312 15480 16101 17890 21468 26835 28624 30960 32202 35780 42936 53670 64404 71560 76927 80505 85872 107340 128808 143120 153854 161010 214680 230781 257616 307708 322020 384635 429360 461562 615416 644040 692343 769270 923124 1153905 1230832 1288080 1384686 1538540 1846248 2307810 2769372 3077080 3461715 3692496 4615620 5538744 6154160 6923430 9231240 11077488 13846860 18462480 27693720 55387440
- Sum of all divisors σ(n): 190441680
- Sum of proper divisors (its aliquot sum) s(n): 135054240
- 55387440 is an abundant number, because the sum of its proper divisors (135054240) is greater than itself. Its abundance is 79666800
Bases of 55387440
- Binary: 110100110100100101001100002
- Hexadecimal: 0x34D2530
- Base-36: WZ580
Squares and roots of 55387440
- 55387440 squared (553874402) is 3067768509753600
- 55387440 cubed (553874403) is 169915844267866934784000
-
The
square root of 55387440 is 7442.2738460767 -
The
cube root of 55387440 is 381.1861367541
Scales and comparisons
How big is 55387440?- 55,387,440 seconds is equal to 1 year, 39 weeks, 4 days, 1 hour, 24 minutes.
-
To count from 1 to 55,387,440 would take you about two 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 55387440 cubic inches would be around 31.8 feet tall.
Recreational maths with 55387440
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The information we have on file for 55387440 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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