20531917 is an odd 8-digits composite number following 20531916
and preceding 20531918 . In scientific notation, it is written as 2.0531917 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 17427312 positive integers (up to 20531917) that are relatively prime to 20531917.
20531917 has 8 divisors, whose sum is 23693696
The reverse of 20531917 is 71913502
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred thirty-one thousand nine hundred seventeen
Scientific notation
2.0531917 × 10^7
Engineering notation
2.0531917 × 10^6
Prime Factorization
7 × 103 × 28477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20531917
Product of the distinct prime numbers
The prime factorization of 20531917 is 7 × 103 × 28477.
Since it has a total of 3 prime factors.
10 , 7 , 24 , 31 , 163 , 33 , 7669 , 370 , 78844 , 70873 , 95929 , 391004 , 508324 , 2282552 , 13611801 , 13855484 , 232007239 , 800910288 , 5423665641 , 7565139440
n×2
41063834
n×3
61595751
n×4
82127668
n×5
102659585
n÷2
10265958.5
n÷3
6843972.3333333
n÷3
5132979.25
n÷5
4106383.4
n2
421559615694889
n3
8.6554270399994E+21
n4
1.7771250958482E+29
n5
3.6487784966573E+36
2 √n
4531.2158412506
3 √n
273.82714602554
4 √n
67.314306363882
5 √n
29.005870253514
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
-20531916
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 20531917 can be divided by 8 positive divisors.
The sum of these divisors (counting 20531917) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010100101011001101
3
Ternary
1102122010111101
4
Quaternary
1032110223031
5
Quinary
20224010132
6
Senary
2012023101
8
Octal
116245315
10
Decimal
20531917
12
Duodecimal
6a61a91
16
Hexadecimal
1394acd
20
Vigesimal
6869fh
36
Base36
c82j1
md5
df95a0c9ebf9f418a1e4471e03e7d99a
sha1
1214317d59b9038feb73926343efeeee91d8bbf3
sha256
371aa0a4e6abe8f4be5c77460778573fb2a45d5308bee2606ab407da961b5a85
sha512
567e12f110bdb6343cf81b088af977a22dca02a3da7af30e81e72b0125064d90c44df0b2614a1e62c20b9d1492c682374b13e937280f98feebdcb96448d9cd99
ripemd-160
ff563fe657f5cc57e312298ac85c0f3a96b0a089
Diameter
41063834
Circumference
129005839.22263
Area
1.3243685917172E+15
Volume
3.6255768003393E+22
Surface area
5.2974743668688E+15
Circumference
129005839.22263
Perimeter
82127668
Area
421559615694889
Diagonal
29036515.482919
Surface area
2529357694169334
Volume
8.6554270399994E+21
Space diagonal
35562323.420787
Perimeter
61595751
Area
1.8254066820069E+14
Altitude
17781161.710394
Surface area
1.8254066820069E+14
Volume
1.0200518590082E+21
Height
9678838.4943062