28897029 is an odd 8-digits composite number following 28897028
and preceding 28897030 . In scientific notation, it is written as 2.8897029 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 16512552 positive integers (up to 28897029) that are relatively prime to 28897029.
28897029 has 12 divisors, whose sum is 47703136
The reverse of 28897029 is 92079882
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million eight hundred ninety-seven thousand twenty-nine
Scientific notation
2.8897029 × 10^7
Engineering notation
2.8897029 × 10^6
Prime Factorization
3 × 3 × 7 × 458683
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9632343
Product of the distinct prime numbers
The prime factorization of 28897029 is 3 × 3 × 7 × 458683.
Since it has a total of 4 prime factors.
10 , 2 , 92 , 95 , 379 , 761 , 6659 , 3498 , 69252 , 64302 , 987657 , 466040 , 5907957 , 879307 , 55895395 , 45671550 , 208474280 , 572415179 , 8329759715 , 8112935435
n×2
57794058
n×3
86691087
n×4
115588116
n×5
144485145
n÷2
14448514.5
n÷3
9632343
n÷3
7224257.25
n÷5
5779405.8
n2
835038285026841
n3
2.4130125538531E+22
n4
6.9728893746057E+29
n5
2.0149578647177E+37
2 √n
5375.5956879215
3 √n
306.86761968194
4 √n
73.318453938429
5 √n
31.057796411098
1 , 3 , 7 , 9 , 21 , 63 , 458683 , 1376049 , 3210781 , 4128147 , 9632343 , 28897029
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28897028
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28897029 can be divided by 12 positive divisors.
The sum of these divisors (counting 28897029) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110001110111100000101
3
Ternary
2000101010021100
4
Quaternary
1232032330011
5
Quinary
24344201104
6
Senary
2511210313
8
Octal
156167405
10
Decimal
28897029
12
Duodecimal
9816999
16
Hexadecimal
1b8ef05
20
Vigesimal
90c2b9
36
Base36
h7d39
md5
e4be70532b15bf8cfe2e85fef8cc20fa
sha1
6302a3e26cd039542bb90d4b02fdb0102f482345
sha256
d8d822442838e7426c22d7b8b751a82d61e36da215cdbb5985b7f4a55199f7db
sha512
2d6b80a3e9ffad91e15c1c72e69a262a3e2b0867cf63924805da69faf8e01431d6798972a79349484c55bf70adac82db76b53bb37caa4cac8030c60b77e6a2e4
ripemd-160
cd03b8cf8de3920f74ab1ac71421040c01248042
Diameter
57794058
Circumference
181565388.03394
Area
2.6233501417065E+15
Volume
1.0107603349606E+23
Surface area
1.0493400566826E+16
Circumference
181565388.03394
Perimeter
115588116
Area
835038285026841
Diagonal
40866570.324089
Surface area
5010229710161046
Volume
2.4130125538531E+22
Space diagonal
50051122.415791
Perimeter
86691087
Area
3.6158218398292E+14
Altitude
25025561.207896
Surface area
3.6158218398292E+14
Volume
2.8437625665296E+21
Height
13622190.10803