28931312 is an even 8-digits composite number following 28931311
and preceding 28931313 . In scientific notation, it is written as 2.8931312 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 10 positive divisors.
There are 14465648 positive integers (up to 28931312) that are relatively prime to 28931312.
28931312 has 10 divisors, whose sum is 56054448
The reverse of 28931312 is 21313982
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million nine hundred thirty-one thousand three hundred twelve
Scientific notation
2.8931312 × 10^7
Engineering notation
2.8931312 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1808207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3616414
Product of the distinct prime numbers
The prime factorization of 28931312 is 2 × 2 × 2 × 2 × 1808207.
Since it has a total of 5 prime factors.
6 , 4 , 32 , 15 , 577 , 495 , 296 , 8886 , 32336 , 8985 , 891686 , 812565 , 1372710 , 3787110 , 60518157 , 55503160 , 849066660 , 105264213 , 8039213488 , 9791911542
n×2
57862624
n×3
86793936
n×4
115725248
n×5
144656560
n÷2
14465656
n÷3
9643770.6666667
n÷3
7232828
n÷5
5786262.4
n2
837020814041344
n3
2.4216110321524E+22
n4
7.0060384313843E+29
n5
2.0269388374237E+37
2 √n
5378.7835055893
3 √n
306.98892609668
4 √n
73.34019024784
5 √n
31.065162216837
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931311
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931312 can be divided by 10 positive divisors.
The sum of these divisors (counting 28931312) is 1, the average is 0.1.
Base
System
Value
2
Binary
1101110010111010011110000
3
Ternary
2000102212022002
4
Quaternary
1232113103300
5
Quinary
24401300222
6
Senary
2512033132
8
Octal
156272360
10
Decimal
28931312
12
Duodecimal
98327a8
16
Hexadecimal
1b974f0
20
Vigesimal
90g85c
36
Base36
h83jk
md5
e2543cd56f7d05ab3bc8cbb2b7efd2e1
sha1
416ae2fc4df7dcbde6c5801e564599aee4cf94da
sha256
7442585e9f95cdfd3cb7f17011769d416d4295b5021e9ec94ac60f9f0d04851e
sha512
18f35510d0b2f7595fee570c32c7377890726e6db58dd91577d98b7c420436c26c2361a90bc17ec93b863efb12119a8d33dda4cf990073ab4093123f46796851
ripemd-160
67ca407ae1c7db900dd805fc74dd5aed08bfca68
Diameter
57862624
Circumference
181780794.47583
Area
2.629578440294E+15
Volume
1.0143620571283E+23
Surface area
1.0518313761176E+16
Circumference
181780794.47583
Perimeter
115725248
Area
837020814041344
Diagonal
40915053.807647
Surface area
5022124884248064
Volume
2.4216110321524E+22
Space diagonal
50110502.313627
Perimeter
86793936
Area
3.6244064422807E+14
Altitude
25055251.156814
Surface area
3.6244064422807E+14
Volume
2.8538959703852E+21
Height
13638351.269216