20171390 is an even 8-digits composite number following 20171389
and preceding 20171391 . In scientific notation, it is written as 2.0171390 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 7804560 positive integers (up to 20171390) that are relatively prime to 20171390.
20171390 has 24 divisors, whose sum is 37535400
The reverse of 20171390 is 09317102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred seventy-one thousand three hundred ninety
Scientific notation
2.0171390 × 10^7
Engineering notation
2.0171390 × 10^6
Prime Factorization
2 × 5 × 31 × 31 × 2099
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
650690
Product of the distinct prime numbers
The prime factorization of 20171390 is 2 × 5 × 31 × 31 × 2099.
Since it has a total of 5 prime factors.
3 , 8 , 18 , 74 , 237 , 408 , 8895 , 2864 , 60560 , 82491 , 924820 , 923602 , 7248302 , 8618161 , 77999698 , 81088850 , 269275057 , 391074503 , 2555004263 , 7681198219
n×2
40342780
n×3
60514170
n×4
80685560
n×5
100856950
n÷2
10085695
n÷3
6723796.6666667
n÷3
5042847.5
n÷5
4034278
n2
406884974532100
n3
8.2074355064271E+21
n4
1.6555538249999E+29
n5
3.3394821870064E+36
2 √n
4491.2570623379
3 √n
272.21493068226
4 √n
67.01684163207
5 √n
28.903282337379
1 , 2 , 5 , 10 , 31 , 62 , 155 , 310 , 961 , 1922 , 2099 , 4198 , 4805 , 9610 , 10495 , 20990 , 65069 , 130138 , 325345 , 650690 , 2017139 , 4034278 , 10085695 , 20171390
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20171389
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20171390 can be divided by 24 positive divisors.
The sum of these divisors (counting 20171390) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111100101001111110
3
Ternary
1101221210221112
4
Quaternary
1030330221332
5
Quinary
20130441030
6
Senary
2000202022
8
Octal
114745176
10
Decimal
20171390
12
Duodecimal
6909312
16
Hexadecimal
133ca7e
20
Vigesimal
66189a
36
Base36
c0cce
md5
568571fce1696494ce51f783d4d24a5f
sha1
ab5af6c9df2515719f3809578b9aa0be50aaabc3
sha256
f5546439f5cb4c0c0044669ed6137956c9242e251de33c1e2adc75a2aa92fce8
sha512
1755f7077d932f70e4f71f865d9a20de1923fcbc3beae9db0e7fa5831912eb931c3a806886d034afb9cb0a086311e5185b7e0d123a78b548f87708278aa74c82
ripemd-160
f8391e5f3918c08ac2e7085fff4ac7f7bad1092c
Diameter
40342780
Circumference
126740581.27339
Area
1.2782668468461E+15
Volume
3.4379225455738E+22
Surface area
5.1130673873845E+15
Circumference
126740581.27339
Perimeter
80685560
Area
406884974532100
Diagonal
28526653.309917
Surface area
2441309847192600
Volume
8.2074355064271E+21
Space diagonal
34937872.339287
Perimeter
60514170
Area
1.7618636218149E+14
Altitude
17468936.169643
Surface area
1.7618636218149E+14
Volume
9.6725555045764E+20
Height
9508884.436639