31305428 is an even 8-digits composite number following 31305427
and preceding 31305429 . In scientific notation, it is written as 3.1305428 × 10^7.
The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors.
There are 12196800 positive integers (up to 31305428) that are relatively prime to 31305428.
31305428 has 24 divisors, whose sum is 68303424
The reverse of 31305428 is 82450313
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
thirty-one million three hundred five thousand four hundred twenty-eight
Scientific notation
3.1305428 × 10^7
Engineering notation
3.1305428 × 10^6
Prime Factorization
2 × 2 × 7 × 11 × 101641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
15652714
Product of the distinct prime numbers
The prime factorization of 31305428 is 2 × 2 × 7 × 11 × 101641.
Since it has a total of 5 prime factors.
1 , 1 , 51 , 1 , 845 , 64 , 1867 , 5828 , 91476 , 2356 , 758273 , 917524 , 2699957 , 386902 , 8020654 , 13149249 , 411477596 , 889011041 , 6242328140 , 788614126
n×2
62610856
n×3
93916284
n×4
125221712
n×5
156527140
n÷2
15652714
n÷3
10435142.666667
n÷3
7826357
n÷5
6261085.6
n2
980029822263184
n3
3.0680253038713E+22
n4
9.6045845252521E+29
n5
3.0067562932519E+37
2 √n
5595.1253783986
3 √n
315.16637888961
4 √n
74.800570709043
5 √n
31.559050557669
1 , 2 , 4 , 7 , 11 , 14 , 22 , 28 , 44 , 77 , 154 , 308 , 101641 , 203282 , 406564 , 711487 , 1118051 , 1422974 , 2236102 , 2845948 , 4472204 , 7826357 , 15652714 , 31305428
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-31305427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 31305428 can be divided by 24 positive divisors.
The sum of these divisors (counting 31305428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1110111011010111011010100
3
Ternary
2011220110222022
4
Quaternary
1313122323110
5
Quinary
31003233203
6
Senary
3034552312
8
Octal
167327324
10
Decimal
31305428
12
Duodecimal
a598698
16
Hexadecimal
1ddaed4
20
Vigesimal
9fd3b8
36
Base36
imzf8
md5
8b50bf7dfd46e1eb62d21f3c3de28aff
sha1
139ea84d3138b39f51a2b744af2ecc13632c423e
sha256
93087e2a67b4cb13b78febaefb71e2cc50a7fe22dee006ba020306b269756764
sha512
d87779ef57992bcccee0016d166f29889744056ec3f654fb6623260210034a7af470e1eb4fed457a58bd6b0be7b829b6da097b383b519706f2c12274377d26f3
ripemd-160
76d9482ac77804a67f6d10a225510aaf42c55772
Diameter
62610856
Circumference
196697805.24457
Area
3.0788544899209E+15
Volume
1.2851314340893E+23
Surface area
1.2315417959684E+16
Circumference
196697805.24457
Perimeter
125221712
Area
980029822263184
Diagonal
44272560.853494
Surface area
5880178933579104
Volume
3.0680253038713E+22
Space diagonal
54222591.848689
Perimeter
93916284
Area
4.2436536127313E+14
Altitude
27111295.924345
Surface area
4.2436536127313E+14
Volume
3.6157024953655E+21
Height
14757520.284498