28089998720
28,089,998,720 is an even composite number composed of five prime numbers multiplied together.
28089998720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 28089998720:
27 × 5 × 73 × 41 × 3121
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 7 × 41 × 3121)See below for interesting mathematical facts about the number 28089998720 from the Numbermatics database.
Names of 28089998720
- Cardinal: 28089998720 can be written as Twenty-eight billion, eighty-nine million, nine hundred ninety-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.808999872 × 1010
Factors of 28089998720
Divisors of 28089998720
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 49 56 64 70 80 82 98 112 128 140 160 164 196 205 224 245 280 287 320 328 343 392 410 448 490 560 574 640 656 686 784 820 896 980 1120 1148 1312 1372 1435 1568 1640 1715 1960 2009 2240 2296 2624 2744 2870 3121 3136 3280 3430 3920 4018 4480 4592 5248 5488 5740 6242 6272 6560 6860 7840 8036 9184 10045 10976 11480 12484 13120 13720 14063 15605 15680 16072 18368 20090 21847 21952 22960 24968 26240 27440 28126 31210 31360 32144 36736 40180 43694 43904 45920 49936 54880 56252 62420 64288 70315 80360 87388 91840 99872 109235 109760 112504 124840 127961 128576 140630 152929 160720 174776 183680 199744 218470 219520 225008 249680 255922 257152 281260 305858 321440 349552 399488 436940 450016 499360 511844 562520 611716 639805 642880 699104 764645 873880 895727 900032 998720 1023688 1070503 1125040 1223432 1279610 1285760 1398208 1529290 1747760 1791454 1800064 1997440 2047376 2141006 2250080 2446864 2559220 2796416 3058580 3495520 3582908 4094752 4282012 4478635 4500160 4893728 5118440 5352515 6117160 6270089 6991040 7165816 8189504 8564024 8957270 9000320 9787456 10236880 10705030 12234320 12540178 13982080 14331632 16379008 17128048 17914540 19574912 20473760 21410060 24468640 25080356 28663264 31350445 34256096 35829080 40947520 42820120 43890623 48937280 50160712 57326528 62700890 68512192 71658160 81895040 85640240 87781246 97874560 100321424 114653056 125401780 137024384 143316320 171280480 175562492 200642848 219453115 250803560 286632640 342560960 351124984 401285696 438906230 501607120 573265280 685121920 702249968 802571392 877812460 1003214240 1404499936 1755624920 2006428480 2808999872 3511249840 4012856960 5617999744 7022499680 14044999360 28089998720
- Sum of all divisors σ(n): 80247888000
- Sum of proper divisors (its aliquot sum) s(n): 52157889280
- 28089998720 is an abundant number, because the sum of its proper divisors (52157889280) is greater than itself. Its abundance is 24067890560
Bases of 28089998720
- Binary: 110100010100100101101011101100000002
- Hexadecimal: 0x68A4B5D80
- Base-36: CWK25Q8
Squares and roots of 28089998720
- 28089998720 squared (280899987202) is 789048028089601638400
- 28089998720 cubed (280899987203) is 22164358099055434067965902848000
-
The
square root of 28089998720 is 167600.7121703247 -
The
cube root of 28089998720 is 3039.8389342181
Scales and comparisons
How big is 28089998720?- 28,089,998,720 seconds is equal to 893 years, 9 weeks, 17 hours, 25 minutes, 20 seconds.
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To count from 1 to 28,089,998,720 would take you about one thousand, seven hundred eighty-six 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 28089998720 cubic inches would be around 253.3 feet tall.
Recreational maths with 28089998720
- 28089998720 backwards is 02789998082
- The number of decimal digits it has is: 11
- The sum of 28089998720's digits is 62
- More coming soon!
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