28159904 is an even 8-digits composite number following 28159903
and preceding 28159905 . In scientific notation, it is written as 2.8159904 × 10^7.
The sum of its digits is 38. It has a total of 7 prime factors and 24 positive divisors.
There are 13625280 positive integers (up to 28159904) that are relatively prime to 28159904.
28159904 has 24 divisors, whose sum is 57230208
The reverse of 28159904 is 40995182
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred fifty-nine thousand nine hundred four
Scientific notation
2.8159904 × 10^7
Engineering notation
2.8159904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 31 × 28387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1759994
Product of the distinct prime numbers
The prime factorization of 28159904 is 2 × 2 × 2 × 2 × 2 × 31 × 28387.
Since it has a total of 7 prime factors.
2 , 3 , 13 , 59 , 994 , 650 , 6251 , 5673 , 22828 , 72069 , 30569 , 498062 , 5576444 , 605273 , 92997084 , 41592259 , 940760094 , 115408615 , 5511011879 , 2225696379
n×2
56319808
n×3
84479712
n×4
112639616
n×5
140799520
n÷2
14079952
n÷3
9386634.6666667
n÷3
7039976
n÷5
5631980.8
n2
792980193289216
n3
2.2330246116926E+22
n4
6.28817586949E+29
n5
1.7707442881996E+37
2 √n
5306.5906192206
3 √n
304.23585113757
4 √n
72.846349388426
5 √n
30.897705825918
1 , 2 , 4 , 8 , 16 , 31 , 32 , 62 , 124 , 248 , 496 , 992 , 28387 , 56774 , 113548 , 227096 , 454192 , 879997 , 908384 , 1759994 , 3519988 , 7039976 , 14079952 , 28159904
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28159903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28159904 can be divided by 24 positive divisors.
The sum of these divisors (counting 28159904) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011011010111110100000
3
Ternary
1221222200010102
4
Quaternary
1223122332200
5
Quinary
24202104104
6
Senary
2443321532
8
Octal
153327640
10
Decimal
28159904
12
Duodecimal
95202a8
16
Hexadecimal
1adafa0
20
Vigesimal
8fjjf4
36
Base36
grkbk
md5
9ec7e1c4fe14593eedc92301306feeb4
sha1
4d77bc403410c54c1c5600bf04d0fd21d4c96bf0
sha256
ee25d4f92bc5a3808a1b62d0b3a04b4df30111651cc1d816da530d4f6a6f9c74
sha512
02a6584e62c0317ee02f2ed165e1a833f6f638250b8291667fa86de65fb2ea0a903f5681576c488ad8e515892b9394a77ab1de1c3ff491eddd57b2bd7c42fde2
ripemd-160
2aee1337408ce1d9b8b3abcc8fe34eac3490e6e2
Diameter
56319808
Circumference
176933895.06439
Area
2.4912207496796E+15
Volume
9.3536716205048E+22
Surface area
9.9648829987185E+15
Circumference
176933895.06439
Perimeter
112639616
Area
792980193289216
Diagonal
39824118.151924
Surface area
4757881159735296
Volume
2.2330246116926E+22
Space diagonal
48774384.464262
Perimeter
84479712
Area
3.4337049604318E+14
Altitude
24387192.232131
Surface area
3.4337049604318E+14
Volume
2.6316447424738E+21
Height
13274706.050641