28089900
28,089,900 is an even composite number composed of five prime numbers multiplied together.
28089900 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty-two divisors.
Prime factorization of 28089900:
22 × 32 × 52 × 232 × 59
(2 × 2 × 3 × 3 × 5 × 5 × 23 × 23 × 59)See below for interesting mathematical facts about the number 28089900 from the Numbermatics database.
Names of 28089900
- Cardinal: 28089900 can be written as Twenty-eight million, eighty-nine thousand, nine hundred.
Scientific notation
- Scientific notation: 2.80899 × 107
Factors of 28089900
Divisors of 28089900
- Number of divisors d(n): 162
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 23 25 30 36 45 46 50 59 60 69 75 90 92 100 115 118 138 150 177 180 207 225 230 236 276 295 300 345 354 414 450 460 529 531 575 590 690 708 828 885 900 1035 1058 1062 1150 1180 1357 1380 1475 1587 1725 1770 2070 2116 2124 2300 2645 2655 2714 2950 3174 3450 3540 4071 4140 4425 4761 5175 5290 5310 5428 5900 6348 6785 6900 7935 8142 8850 9522 10350 10580 10620 12213 13225 13275 13570 15870 16284 17700 19044 20355 20700 23805 24426 26450 26550 27140 31211 31740 33925 39675 40710 47610 48852 52900 53100 61065 62422 67850 79350 81420 93633 95220 101775 119025 122130 124844 135700 156055 158700 187266 203550 238050 244260 280899 305325 312110 374532 407100 468165 476100 561798 610650 624220 780275 936330 1123596 1221300 1404495 1560550 1872660 2340825 2808990 3121100 4681650 5617980 7022475 9363300 14044950 28089900
- Sum of all divisors σ(n): 93600780
- Sum of proper divisors (its aliquot sum) s(n): 65510880
- 28089900 is an abundant number, because the sum of its proper divisors (65510880) is greater than itself. Its abundance is 37420980
Bases of 28089900
- Binary: 11010110010011110001011002
- Hexadecimal: 0x1AC9E2C
- Base-36: GQ2B0
Squares and roots of 28089900
- 28089900 squared (280899002) is 789042482010000
- 28089900 cubed (280899003) is 22164124415412699000000
-
The
square root of 28089900 is 5299.9905660293 -
The
cube root of 28089900 is 303.9835373125
Scales and comparisons
How big is 28089900?- 28,089,900 seconds is equal to 46 weeks, 3 days, 2 hours, 45 minutes.
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To count from 1 to 28,089,900 would take you about seventeen 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 28089900 cubic inches would be around 25.3 feet tall.
Recreational maths with 28089900
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