55394820
55,394,820 is an even composite number composed of five prime numbers multiplied together.
55394820 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 55394820:
22 × 33 × 5 × 132 × 607
(2 × 2 × 3 × 3 × 3 × 5 × 13 × 13 × 607)See below for interesting mathematical facts about the number 55394820 from the Numbermatics database.
Names of 55394820
- Cardinal: 55394820 can be written as Fifty-five million, three hundred ninety-four thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 5.539482 × 107
Factors of 55394820
Divisors of 55394820
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 169 180 195 234 260 270 338 351 390 468 507 540 585 607 676 702 780 845 1014 1170 1214 1404 1521 1690 1755 1821 2028 2340 2428 2535 3035 3042 3380 3510 3642 4563 5070 5463 6070 6084 7020 7284 7605 7891 9105 9126 10140 10926 12140 15210 15782 16389 18210 18252 21852 22815 23673 27315 30420 31564 32778 36420 39455 45630 47346 54630 65556 71019 78910 81945 91260 94692 102583 109260 118365 142038 157820 163890 205166 213057 236730 284076 307749 327780 355095 410332 426114 473460 512915 615498 710190 852228 923247 1025830 1065285 1230996 1420380 1538745 1846494 2051660 2130570 2769741 3077490 3692988 4261140 4616235 5539482 6154980 9232470 11078964 13848705 18464940 27697410 55394820
- Sum of all divisors σ(n): 186923520
- Sum of proper divisors (its aliquot sum) s(n): 131528700
- 55394820 is an abundant number, because the sum of its proper divisors (131528700) is greater than itself. Its abundance is 76133880
Bases of 55394820
- Binary: 110100110101000010000001002
- Hexadecimal: 0x34D4204
- Base-36: WZAX0
Squares and roots of 55394820
- 55394820 squared (553948202) is 3068586082832400
- 55394820 cubed (553948203) is 169983773713005888168000
-
The
square root of 55394820 is 7442.7696457703 -
The
cube root of 55394820 is 381.2030661565
Scales and comparisons
How big is 55394820?- 55,394,820 seconds is equal to 1 year, 39 weeks, 4 days, 3 hours, 27 minutes.
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To count from 1 to 55,394,820 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 55394820 cubic inches would be around 31.8 feet tall.
Recreational maths with 55394820
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