28809747 is an odd 8-digits composite number following 28809746
and preceding 28809748 . In scientific notation, it is written as 2.8809747 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 18076608 positive integers (up to 28809747) that are relatively prime to 28809747.
28809747 has 12 divisors, whose sum is 44062200
The reverse of 28809747 is 74790882
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million eight hundred nine thousand seven hundred forty-seven
Scientific notation
2.8809747 × 10^7
Engineering notation
2.8809747 × 10^6
Prime Factorization
3 × 17 × 3 × 188299
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9603249
Product of the distinct prime numbers
The prime factorization of 28809747 is 3 × 17 × 3 × 188299.
Since it has a total of 4 prime factors.
9 , 5 , 7 , 65 , 784 , 275 , 4568 , 8515 , 10900 , 51723 , 99710 , 847337 , 221032 , 5498522 , 66172529 , 3995834 , 671783035 , 444670359 , 8915005566 , 9249425193
n×2
57619494
n×3
86429241
n×4
115238988
n×5
144048735
n÷2
14404873.5
n÷3
9603249
n÷3
7202436.75
n÷5
5761949.4
n2
830001522204009
n3
2.3912133864312E+22
n4
6.8890252686097E+29
n5
1.9847107506525E+37
2 √n
5367.4711922841
3 √n
306.55834877027
4 √n
73.263027457812
5 √n
31.039012004913
1 , 3 , 9 , 17 , 51 , 153 , 188299 , 564897 , 1694691 , 3201083 , 9603249 , 28809747
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
-28809746
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 28809747 can be divided by 12 positive divisors.
The sum of these divisors (counting 28809747) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101111001101000010011
3
Ternary
2000012200112200
4
Quaternary
1231321220103
5
Quinary
24333402442
6
Senary
2505254243
8
Octal
155715023
10
Decimal
28809747
12
Duodecimal
9794383
16
Hexadecimal
1b79a13
20
Vigesimal
901477
36
Base36
h5hqr
md5
90457da4ebf059e3fbdb9a4cf907838b
sha1
134139b342869e9734acfdeeb90555bfef006dee
sha256
14798ecd8c0fe73bae80aac13eb0c40f2df0b9b1b263ab72488cb1e920c28e86
sha512
3d59f063ed46c373cfb67cbc4da5ef162aaabf8355d9eaee090924029855f50988f77bb665f9ca6fc58cebb972bd476273bdb65c47c61a124c55656de3f850d3
ripemd-160
b1b7ac5a487cb894f4387d044bdc5bc67d3336d9
Diameter
57619494
Circumference
181016979.05396
Area
2.6075266846245E+15
Volume
1.0016291210637E+23
Surface area
1.0430106738498E+16
Circumference
181016979.05396
Perimeter
115238988
Area
830001522204009
Diagonal
40743134.935938
Surface area
4980009133224054
Volume
2.3912133864312E+22
Space diagonal
49899945.557205
Perimeter
86429241
Area
3.5940120170421E+14
Altitude
24949972.778603
Surface area
3.5940120170421E+14
Volume
2.8180720013493E+21
Height
13581044.978646