28422784
28,422,784 is an even composite number composed of five prime numbers multiplied together.
28422784 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28422784:
27 × 13 × 19 × 29 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 19 × 29 × 31)See below for interesting mathematical facts about the number 28422784 from the Numbermatics database.
Names of 28422784
- Cardinal: 28422784 can be written as Twenty-eight million, four hundred twenty-two thousand, seven hundred eighty-four.
Scientific notation
- Scientific notation: 2.8422784 × 107
Factors of 28422784
Divisors of 28422784
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 8 13 16 19 26 29 31 32 38 52 58 62 64 76 104 116 124 128 152 208 232 247 248 304 377 403 416 464 494 496 551 589 608 754 806 832 899 928 988 992 1102 1178 1216 1508 1612 1664 1798 1856 1976 1984 2204 2356 2432 3016 3224 3596 3712 3952 3968 4408 4712 6032 6448 7163 7192 7657 7904 8816 9424 11687 12064 12896 14326 14384 15314 15808 17081 17632 18848 23374 24128 25792 28652 28768 30628 31616 34162 35264 37696 46748 48256 51584 57304 57536 61256 68324 70528 75392 93496 114608 115072 122512 136648 186992 222053 229216 245024 273296 373984 444106 458432 490048 546592 747968 888212 916864 980096 1093184 1495936 1776424 2186368 3552848 7105696 14211392 28422784
- Sum of all divisors σ(n): 68544000
- Sum of proper divisors (its aliquot sum) s(n): 40121216
- 28422784 is an abundant number, because the sum of its proper divisors (40121216) is greater than itself. Its abundance is 11698432
Bases of 28422784
- Binary: 11011000110110010100000002
- Hexadecimal: 0x1B1B280
- Base-36: GX75S
Squares and roots of 28422784
- 28422784 squared (284227842) is 807854650310656
- 28422784 cubed (284227843) is 22961478229175308386304
-
The
square root of 28422784 is 5331.3022799313 -
The
cube root of 28422784 is 305.1796272359
Scales and comparisons
How big is 28422784?- 28,422,784 seconds is equal to 46 weeks, 6 days, 23 hours, 13 minutes, 4 seconds.
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To count from 1 to 28,422,784 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 28422784 cubic inches would be around 25.4 feet tall.
Recreational maths with 28422784
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The information we have on file for 28422784 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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