20731528 is an even 8-digits composite number following 20731527
and preceding 20731529 . In scientific notation, it is written as 2.0731528 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors.
There are 10365760 positive integers (up to 20731528) that are relatively prime to 20731528.
20731528 has 8 divisors, whose sum is 38871630
The reverse of 20731528 is 82513702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million seven hundred thirty-one thousand five hundred twenty-eight
Scientific notation
2.0731528 × 10^7
Engineering notation
2.0731528 × 10^6
Prime Factorization
2 × 2 × 2 × 2591441
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5182882
Product of the distinct prime numbers
The prime factorization of 20731528 is 2 × 2 × 2 × 2591441.
Since it has a total of 4 prime factors.
2 , 6 , 4 , 77 , 876 , 487 , 9202 , 7740 , 5901 , 82316 , 408620 , 805312 , 4924369 , 8077037 , 13584838 , 70668412 , 291731475 , 431767557 , 987813535 , 6132856802
n×2
41463056
n×3
62194584
n×4
82926112
n×5
103657640
n÷2
10365764
n÷3
6910509.3333333
n÷3
5182882
n÷5
4146305.6
n2
429796253214784
n3
8.9103330578174E+21
n4
1.8472481927747E+29
n5
3.8296277631457E+36
2 √n
4553.1887727174
3 √n
274.7116669391
4 √n
67.477320432257
5 √n
29.062051130581
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20731527
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20731528 can be divided by 8 positive divisors.
The sum of these divisors (counting 20731528) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111000101011010001000
3
Ternary
1110000021022101
4
Quaternary
1033011122020
5
Quinary
20301402103
6
Senary
2020203144
8
Octal
117053210
10
Decimal
20731528
12
Duodecimal
6b394b4
16
Hexadecimal
13c5688
20
Vigesimal
69b8g8
36
Base36
cccjs
md5
0f1bd4adbb2c6a6fc03587a008fda2cd
sha1
a0987ae3ce12751f770be906df57b0d81f1baa79
sha256
76e0e0fcb05f69d9006d8168c9c7cc90bc4f73b57ea774c8be05aa25a7e4ae96
sha512
1c5c8487447e71e306aee7703ee2d88c8675a70e380d93397fe275f45b9aadb748a3a0b51a5b8301eb2d809531b86af6d74cffb9eae3bf608e62335c201bb632
ripemd-160
fa96b6482aca40404cdd36cb3343ef2242e3e5b0
Diameter
41463056
Circumference
130260032.12498
Area
1.35024475164E+15
Volume
3.732351583397E+22
Surface area
5.4009790065599E+15
Circumference
130260032.12498
Perimeter
82926112
Area
429796253214784
Diagonal
29318808.066318
Surface area
2578777519288704
Volume
8.9103330578174E+21
Space diagonal
35908059.814537
Perimeter
62194584
Area
1.8610723686769E+14
Altitude
17954029.907268
Surface area
1.8610723686769E+14
Volume
1.0500928213022E+21
Height
9772936.0221059