20171689 is an odd 8-digits composite number following 20171688
and preceding 20171690 . In scientific notation, it is written as 2.0171689 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20058820 positive integers (up to 20171689) that are relatively prime to 20171689.
20171689 has 4 divisors, whose sum is 20284560
The reverse of 20171689 is 98617102
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred seventy-one thousand six hundred eighty-nine
Scientific notation
2.0171689 × 10^7
Engineering notation
2.0171689 × 10^6
Prime Factorization
179 × 112691
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20171689
Product of the distinct prime numbers
The prime factorization of 20171689 is 179 × 112691.
Since it has a total of 2 prime factors.
10 , 2 , 31 , 46 , 239 , 905 , 923 , 587 , 69182 , 88817 , 359189 , 367144 , 198338 , 9953987 , 43167022 , 24867955 , 195008340 , 945141555 , 8906371353 , 5041132842
n×2
40343378
n×3
60515067
n×4
80686756
n×5
100858445
n÷2
10085844.5
n÷3
6723896.3333333
n÷3
5042922.25
n÷5
4034337.8
n2
406897037112721
n3
8.2078004876593E+21
n4
1.6556519881111E+29
n5
3.3397296996409E+36
2 √n
4491.290349109
3 √n
272.21627568728
4 √n
67.017089977923
5 √n
28.903368023394
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
-20171688
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 20171689 can be divided by 4 positive divisors.
The sum of these divisors (counting 20171689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111100101110101001
3
Ternary
1101221211100121
4
Quaternary
1030330232221
5
Quinary
20130443224
6
Senary
2000203241
8
Octal
114745651
10
Decimal
20171689
12
Duodecimal
6909521
16
Hexadecimal
133cba9
20
Vigesimal
661949
36
Base36
c0ckp
md5
3c11a0abd4eda9a7604d8e9cd8345f38
sha1
5c48119f03f590e09c1eff02ea21d5f85eafded8
sha256
7d995a22fc461f97a644056083900cc73253934adc43ddd2a2618b1ea5db1257
sha512
77d0c742090d71f0dcb7950a4e3a3f536ceccf46a34c4de9cc6b060af2dd4237631b2a78462334799a62af7a8be48c6551c38696c90cbd4bcc1bd4ec64ed7e70
ripemd-160
98f35f18533a2b772c325a18e08f1038bf70eb82
Diameter
40343378
Circumference
126742459.9458
Area
1.2783047425608E+15
Volume
3.4380754285548E+22
Surface area
5.1132189702431E+15
Circumference
126742459.9458
Perimeter
80686756
Area
406897037112721
Diagonal
28527076.159772
Surface area
2441382222676326
Volume
8.2078004876593E+21
Space diagonal
34938390.222478
Perimeter
60515067
Area
1.7619158543212E+14
Altitude
17469195.111239
Surface area
1.7619158543212E+14
Volume
9.6729856390835E+20
Height
9509025.3865907