20172381 is an odd 8-digits composite number following 20172380
and preceding 20172382 . In scientific notation, it is written as 2.0172381 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13389072 positive integers (up to 20172381) that are relatively prime to 20172381.
20172381 has 8 divisors, whose sum is 27014880
The reverse of 20172381 is 18327102
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred seventy-two thousand three hundred eighty-one
Scientific notation
2.0172381 × 10^7
Engineering notation
2.0172381 × 10^6
Prime Factorization
3 × 229 × 29363
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20172381
Product of the distinct prime numbers
The prime factorization of 20172381 is 3 × 229 × 29363.
Since it has a total of 3 prime factors.
6 , 9 , 72 , 22 , 917 , 119 , 4678 , 9176 , 49929 , 62318 , 123203 , 139860 , 5947902 , 5315209 , 92536601 , 42259470 , 700283792 , 593474862 , 4872387629 , 4093208521
n×2
40344762
n×3
60517143
n×4
80689524
n×5
100861905
n÷2
10086190.5
n÷3
6724127
n÷3
5043095.25
n÷5
4034476.2
n2
406924955209161
n3
8.2086452348871E+21
n4
1.6558791917198E+29
n5
3.3403025945343E+36
2 √n
4491.3673864426
3 √n
272.21938849072
4 √n
67.017664734326
5 √n
28.903566329606
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
-20172380
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 20172381 can be divided by 8 positive divisors.
The sum of these divisors (counting 20172381) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111100111001011101
3
Ternary
1101221212022020
4
Quaternary
1030330321131
5
Quinary
20131004011
6
Senary
2000210353
8
Octal
114747135
10
Decimal
20172381
12
Duodecimal
69099b9
16
Hexadecimal
133ce5d
20
Vigesimal
661aj1
36
Base36
c0d3x
md5
90d95335dd9868349ecc75a5cdfe7c3a
sha1
a85be4caa7ce4bc093073f88465eda97fdd6d911
sha256
a0199b0a9a4b8b24507e2e3dae6c9b02a21c21bf17259d21371fc0b80803e891
sha512
d51e32d770f9e6ed851a0d8edb0783cf887fdcf385688341bedce98c0365fc40a953716777e96f1410542ca7020fa149bdd21a7e42c531a8ca9be1b1b0119fee
ripemd-160
d28926ec00add66478da71d5da1d5bbc82b6b025
Diameter
40344762
Circumference
126746807.91003
Area
1.2783924498475E+15
Volume
3.4384292754462E+22
Surface area
5.1135697993898E+15
Circumference
126746807.91003
Perimeter
80689524
Area
406924955209161
Diagonal
28528054.795557
Surface area
2441549731254966
Volume
8.2086452348871E+21
Space diagonal
34939588.801637
Perimeter
60517143
Area
1.7620367432249E+14
Altitude
17469794.400819
Surface area
1.7620367432249E+14
Volume
9.6739811832389E+20
Height
9509351.5985191