20147531 is an odd 8-digits composite number following 20147530
and preceding 20147532 . In scientific notation, it is written as 2.0147531 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20136912 positive integers (up to 20147531) that are relatively prime to 20147531.
20147531 has 4 divisors, whose sum is 20158152
The reverse of 20147531 is 13574102
Previous prime number is 2473
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred forty-seven thousand five hundred thirty-one
Scientific notation
2.0147531 × 10^7
Engineering notation
2.0147531 × 10^6
Prime Factorization
2473 × 8147
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20147531
Product of the distinct prime numbers
The prime factorization of 20147531 is 2473 × 8147.
Since it has a total of 2 prime factors.
5 , 5 , 92 , 89 , 392 , 94 , 5666 , 6516 , 91112 , 38838 , 874668 , 946007 , 6449012 , 4794253 , 37478413 , 65044045 , 832826500 , 855999638 , 4103975273 , 3983258470
n×2
40295062
n×3
60442593
n×4
80590124
n×5
100737655
n÷2
10073765.5
n÷3
6715843.6666667
n÷3
5036882.75
n÷5
4029506.2
n2
405923005395961
n3
8.1783463348283E+21
n4
1.6477348630969E+29
n5
3.3197789234025E+36
2 √n
4488.600115849
3 √n
272.1075618062
4 √n
66.997015723456
5 √n
28.896441659428
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
-20147530
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 20147531 can be divided by 4 positive divisors.
The sum of these divisors (counting 20147531) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110110110101001011
3
Ternary
1101220121012212
4
Quaternary
1030312311023
5
Quinary
20124210111
6
Senary
1555455335
8
Octal
114666513
10
Decimal
20147531
12
Duodecimal
68b754b
16
Hexadecimal
1336d4b
20
Vigesimal
65i8gb
36
Base36
bztxn
md5
427366646bbf941d0cb29222fd158928
sha1
c4af06e892598f14673bb9fe21509be17128191c
sha256
67399d54e9cda16150c81e892358741563aafbb38f3143696a9d8147aa8342bf
sha512
79fd54cf8f2c88a417457ffa8efea6b56993d639c30e7d30c55cad6b04fa59293dd87d0e80808d6cae4d4ad2f2df3e55680d5ec947f2679beb7f9f5bff0f6cf4
ripemd-160
0923db72312ceef281b8970deda951788cf76304
Diameter
40295062
Circumference
126590670.75515
Area
1.275244731675E+15
Volume
3.4257377018679E+22
Surface area
5.1009789267002E+15
Circumference
126590670.75515
Perimeter
80590124
Area
405923005395961
Diagonal
28492911.588532
Surface area
2435538032375766
Volume
8.1783463348283E+21
Space diagonal
34896547.339069
Perimeter
60442593
Area
1.7576981732672E+14
Altitude
17448273.669534
Surface area
1.7576981732672E+14
Volume
9.6382735870821E+20
Height
9497637.1961775