20457531 is an odd 8-digits composite number following 20457530
and preceding 20457532 . In scientific notation, it is written as 2.0457531 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 13638348 positive integers (up to 20457531) that are relatively prime to 20457531.
20457531 has 4 divisors, whose sum is 22730600
The reverse of 20457531 is 13575402
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred fifty-seven thousand five hundred thirty-one
Scientific notation
2.0457531 × 10^7
Engineering notation
2.0457531 × 10^6
Prime Factorization
9 × 2273059
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20457531
Product of the distinct prime numbers
The prime factorization of 20457531 is 9 × 2273059.
Since it has a total of 2 prime factors.
1 , 2 , 32 , 67 , 371 , 419 , 3751 , 665 , 53228 , 11412 , 73462 , 528685 , 6821230 , 5907640 , 68018296 , 34568359 , 475822712 , 303840420 , 2343176354 , 2839402433
n×2
40915062
n×3
61372593
n×4
81830124
n×5
102287655
n÷2
10228765.5
n÷3
6819177
n÷3
5114382.75
n÷5
4091506.2
n2
418510574615961
n3
8.5616930540338E+21
n4
1.7515110106538E+29
n5
3.5831590797292E+36
2 √n
4523.0002210922
3 √n
273.49605899669
4 √n
67.25325435317
5 √n
28.984822396468
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20457530
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20457531 can be divided by 4 positive divisors.
The sum of these divisors (counting 20457531) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000010100000111011
3
Ternary
1102111100110100
4
Quaternary
1032002200323
5
Quinary
20214120111
6
Senary
2010250443
8
Octal
116024073
10
Decimal
20457531
12
Duodecimal
6a26a23
16
Hexadecimal
138283b
20
Vigesimal
67h3gb
36
Base36
c6h4r
md5
a384a8dbb5b075db8168a46c7cef6a36
sha1
4d01ab6c55a4d25ec335e2bdb96f1a75357e88e0
sha256
2870ddb4b723c4d9355daa73c51022fdce73845e80ccdfa03622994d01284945
sha512
1869717e7fdac48c3cfea4cc22d5ab6199f7ab920c72bfa5d84dafd77657cf271ebd3c2a12d1074028aa77d746681520e62271d9d4e57e0b2c0ad30487e4e74b
ripemd-160
b84798ae160eba6190a256600d6fb4b53dd585e5
Diameter
40915062
Circumference
128538458.20037
Area
1.3147897466631E+15
Volume
3.5863136001125E+22
Surface area
5.2591589866526E+15
Circumference
128538458.20037
Perimeter
81830124
Area
418510574615961
Diagonal
28931317.792868
Surface area
2511063447695766
Volume
8.5616930540338E+21
Space diagonal
35433483.089415
Perimeter
61372593
Area
1.8122039468492E+14
Altitude
17716741.544708
Surface area
1.8122039468492E+14
Volume
1.0090052028242E+21
Height
9643772.5976227