28931612 is an even 8-digits composite number following 28931611
and preceding 28931613 . In scientific notation, it is written as 2.8931612 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 14355120 positive integers (up to 28931612) that are relatively prime to 28931612.
28931612 has 12 divisors, whose sum is 51017736
The reverse of 28931612 is 21613982
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million nine hundred thirty-one thousand six hundred twelve
Scientific notation
2.8931612 × 10^7
Engineering notation
2.8931612 × 10^6
Prime Factorization
2 × 2 × 131 × 55213
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14465806
Product of the distinct prime numbers
The prime factorization of 28931612 is 2 × 2 × 131 × 55213.
Since it has a total of 4 prime factors.
9 , 10 , 56 , 16 , 10 , 526 , 2789 , 1409 , 35523 , 13606 , 876083 , 732954 , 110006 , 7927628 , 77646432 , 86019467 , 363067541 , 687181278 , 2999189019 , 6560671757
n×2
57863224
n×3
86794836
n×4
115726448
n×5
144658060
n÷2
14465806
n÷3
9643870.6666667
n÷3
7232903
n÷5
5786322.4
n2
837038172918544
n3
2.4216863648068E+22
n4
7.0063290292281E+29
n5
2.0270439301797E+37
2 √n
5378.8113928637
3 √n
306.98998718878
4 √n
73.340380370323
5 √n
31.065226641914
1 , 2 , 4 , 131 , 262 , 524 , 55213 , 110426 , 220852 , 7232903 , 14465806 , 28931612
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
-28931611
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 28931612 can be divided by 12 positive divisors.
The sum of these divisors (counting 28931612) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110010111011000011100
3
Ternary
2000102212201012
4
Quaternary
1232113120130
5
Quinary
24401302422
6
Senary
2512034352
8
Octal
156273034
10
Decimal
28931612
12
Duodecimal
98329b8
16
Hexadecimal
1b9761c
20
Vigesimal
90g90c
36
Base36
h83rw
md5
93898c530235bb03eaa394512705c1e1
sha1
511208e3351a3f8955a83b6ce06350a93c9ae77b
sha256
03dcf0b5a9f61e9c9f29fe86b451146459c48f4b789f89fd9e988e651afe92e2
sha512
3cf41bf02aabb4acc3fd75c78b4ff3b94e20517f9352cfdf7d3bb9620110b667a33f7cb69da912f13aeb272d669f04a86813a114e97b5a1c7e16df0bbaf6098d
ripemd-160
41b3b5dc918e3fe326320d749ebf455d63e6a96c
Diameter
57863224
Circumference
181782679.43142
Area
2.6296329748151E+15
Volume
1.0143936123968E+23
Surface area
1.051853189926E+16
Circumference
181782679.43142
Perimeter
115726448
Area
837038172918544
Diagonal
40915478.071716
Surface area
5022229037511264
Volume
2.4216863648068E+22
Space diagonal
50111021.928869
Perimeter
86794836
Area
3.6244816084239E+14
Altitude
25055510.964435
Surface area
3.6244816084239E+14
Volume
2.8539847507698E+21
Height
13638492.690572