28665611 is an odd 8-digits composite number following 28665610
and preceding 28665612 . In scientific notation, it is written as 2.8665611 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 26076960 positive integers (up to 28665611) that are relatively prime to 28665611.
28665611 has 12 divisors, whose sum is 31490640
The reverse of 28665611 is 11656682
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million six hundred sixty-five thousand six hundred eleven
Scientific notation
2.8665611 × 10^7
Engineering notation
2.8665611 × 10^6
Prime Factorization
71 × 13 × 13 × 2389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2205047
Product of the distinct prime numbers
The prime factorization of 28665611 is 71 × 13 × 13 × 2389.
Since it has a total of 4 prime factors.
3 , 8 , 2 , 35 , 312 , 673 , 7971 , 8710 , 30916 , 31220 , 255405 , 391358 , 8789649 , 5132564 , 29966635 , 5365821 , 387428331 , 914960300 , 2150436064 , 5519025970
n×2
57331222
n×3
85996833
n×4
114662444
n×5
143328055
n÷2
14332805.5
n÷3
9555203.6666667
n÷3
7166402.75
n÷5
5733122.2
n2
821717254003321
n3
2.3555027155247E+22
n4
6.7521924552676E+29
n5
1.9355572231984E+37
2 √n
5354.0275494248
3 √n
306.04625370558
4 √n
73.171220773094
5 √n
31.007891848926
1 , 13 , 71 , 169 , 923 , 2389 , 11999 , 31057 , 169619 , 403741 , 2205047 , 28665611
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
-28665610
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 28665611 can be divided by 12 positive divisors.
The sum of these divisors (counting 28665611) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101010110011100001011
3
Ternary
1222221100211022
4
Quaternary
1231112130023
5
Quinary
24314244421
6
Senary
2502223055
8
Octal
155263413
10
Decimal
28665611
12
Duodecimal
9724a8b
16
Hexadecimal
1b5670b
20
Vigesimal
8j340b
36
Base36
h2eiz
md5
c89a1507a43f4c300ba618ffe48e43e0
sha1
339684f88ba7dce14aa95d62c2ea314fabc82852
sha256
96b3a50f54943e1a347d12da2adaa83a5958089d79798fd7fd654c7ad9036a1b
sha512
9bf0cb0bfa4681c64e436271b8e1228ac7928fca02cb01de3f64c21933d1ddccadf4d070c6ac203df91d7f322a9ebb91ba19528e3094bffcb2278bdac379a6f7
ripemd-160
e7f411c3a61f44f7c3be7afdd86c41b248addecf
Diameter
57331222
Circumference
180111345.85653
Area
2.5815008885048E+15
Volume
9.8667067021378E+22
Surface area
1.0326003554019E+16
Circumference
180111345.85653
Perimeter
114662444
Area
821717254003321
Diagonal
40539295.849911
Surface area
4930303524019926
Volume
2.3555027155247E+22
Space diagonal
49650294.682005
Perimeter
85996833
Area
3.5581400834743E+14
Altitude
24825147.341003
Surface area
3.5581400834743E+14
Volume
2.7759865720848E+21
Height
13513098.616637