28421120
28,421,120 is an even composite number composed of five prime numbers multiplied together.
28421120 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred seventy-six divisors.
Prime factorization of 28421120:
210 × 5 × 7 × 13 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 13 × 61)See below for interesting mathematical facts about the number 28421120 from the Numbermatics database.
Names of 28421120
- Cardinal: 28421120 can be written as Twenty-eight million, four hundred twenty-one thousand, one hundred twenty.
Scientific notation
- Scientific notation: 2.842112 × 107
Factors of 28421120
Divisors of 28421120
- Number of divisors d(n): 176
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 61 64 65 70 80 91 104 112 122 128 130 140 160 182 208 224 244 256 260 280 305 320 364 416 427 448 455 488 512 520 560 610 640 728 793 832 854 896 910 976 1024 1040 1120 1220 1280 1456 1586 1664 1708 1792 1820 1952 2080 2135 2240 2440 2560 2912 3172 3328 3416 3584 3640 3904 3965 4160 4270 4480 4880 5120 5551 5824 6344 6656 6832 7168 7280 7808 7930 8320 8540 8960 9760 11102 11648 12688 13312 13664 14560 15616 15860 16640 17080 17920 19520 22204 23296 25376 27328 27755 29120 31232 31720 33280 34160 35840 39040 44408 46592 50752 54656 55510 58240 62464 63440 66560 68320 78080 88816 93184 101504 109312 111020 116480 126880 136640 156160 177632 203008 218624 222040 232960 253760 273280 312320 355264 406016 437248 444080 465920 507520 546560 710528 812032 888160 1015040 1093120 1421056 1776320 2030080 2186240 2842112 3552640 4060160 5684224 7105280 14210560 28421120
- Sum of all divisors σ(n): 85286208
- Sum of proper divisors (its aliquot sum) s(n): 56865088
- 28421120 is an abundant number, because the sum of its proper divisors (56865088) is greater than itself. Its abundance is 28443968
Bases of 28421120
- Binary: 11011000110101100000000002
- Hexadecimal: 0x1B1AC00
- Base-36: GX5VK
Squares and roots of 28421120
- 28421120 squared (284211202) is 807760062054400
- 28421120 cubed (284211203) is 22957445654855548928000
-
The
square root of 28421120 is 5331.1462182161 -
The
cube root of 28421120 is 305.1736715819
Scales and comparisons
How big is 28421120?- 28,421,120 seconds is equal to 46 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
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To count from 1 to 28,421,120 would take you about eighteen 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 28421120 cubic inches would be around 25.4 feet tall.
Recreational maths with 28421120
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