55645920
55,645,920 is an even composite number composed of five prime numbers multiplied together.
55645920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 55645920:
25 × 33 × 5 × 11 × 1171
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 1171)See below for interesting mathematical facts about the number 55645920 from the Numbermatics database.
Names of 55645920
- Cardinal: 55645920 can be written as Fifty-five million, six hundred forty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 5.564592 × 107
Factors of 55645920
Divisors of 55645920
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 66 72 80 88 90 96 99 108 110 120 132 135 144 160 165 176 180 198 216 220 240 264 270 288 297 330 352 360 396 432 440 480 495 528 540 594 660 720 792 864 880 990 1056 1080 1171 1188 1320 1440 1485 1584 1760 1980 2160 2342 2376 2640 2970 3168 3513 3960 4320 4684 4752 5280 5855 5940 7026 7920 9368 9504 10539 11710 11880 12881 14052 15840 17565 18736 21078 23420 23760 25762 28104 31617 35130 37472 38643 42156 46840 47520 51524 52695 56208 63234 64405 70260 77286 84312 93680 103048 105390 112416 115929 126468 128810 140520 154572 158085 168624 187360 193215 206096 210780 231858 252936 257620 281040 309144 316170 337248 347787 386430 412192 421560 463716 505872 515240 562080 579645 618288 632340 695574 772860 843120 927432 1011744 1030480 1159290 1236576 1264680 1391148 1545720 1686240 1738935 1854864 2060960 2318580 2529360 2782296 3091440 3477870 3709728 4637160 5058720 5564592 6182880 6955740 9274320 11129184 13911480 18548640 27822960 55645920
- Sum of all divisors σ(n): 212647680
- Sum of proper divisors (its aliquot sum) s(n): 157001760
- 55645920 is an abundant number, because the sum of its proper divisors (157001760) is greater than itself. Its abundance is 101355840
Bases of 55645920
- Binary: 110101000100010110111000002
- Hexadecimal: 0x35116E0
- Base-36: X4OO0
Squares and roots of 55645920
- 55645920 squared (556459202) is 3096468412646400
- 55645920 cubed (556459203) is 172305833572648562688000
-
The
square root of 55645920 is 7459.6192932347 -
The
cube root of 55645920 is 381.7781850497
Scales and comparisons
How big is 55645920?- 55,645,920 seconds is equal to 1 year, 40 weeks, 1 hour, 12 minutes.
-
To count from 1 to 55,645,920 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 55645920 cubic inches would be around 31.8 feet tall.
Recreational maths with 55645920
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