20165989 is an odd 8-digits composite number following 20165988
and preceding 20165990 . In scientific notation, it is written as 2.0165989 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 20018656 positive integers (up to 20165989) that are relatively prime to 20165989.
20165989 has 4 divisors, whose sum is 20313324
The reverse of 20165989 is 98956102
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million one hundred sixty-five thousand nine hundred eighty-nine
Scientific notation
2.0165989 × 10^7
Engineering notation
2.0165989 × 10^6
Prime Factorization
137 × 147197
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20165989
Product of the distinct prime numbers
The prime factorization of 20165989 is 137 × 147197.
Since it has a total of 2 prime factors.
4 , 3 , 78 , 67 , 101 , 366 , 8368 , 7113 , 50758 , 44532 , 37893 , 327076 , 1386139 , 616674 , 93633555 , 58464685 , 451788983 , 743541283 , 2373064307 , 9746218144
n×2
40331978
n×3
60497967
n×4
80663956
n×5
100829945
n÷2
10082994.5
n÷3
6721996.3333333
n÷3
5041497.25
n÷5
4033197.8
n2
406667112348121
n3
8.200844514274E+21
n4
1.6537814026556E+29
n5
3.3350137574357E+36
2 √n
4490.6557427619
3 √n
272.19063283465
4 √n
67.01235515009
5 √n
28.901734369192
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
-20165988
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 20165989 can be divided by 4 positive divisors.
The sum of these divisors (counting 20165989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111011010101100101
3
Ternary
1101221112112111
4
Quaternary
1030323111211
5
Quinary
20130302424
6
Senary
2000121021
8
Octal
114732545
10
Decimal
20165989
12
Duodecimal
6906171
16
Hexadecimal
133b565
20
Vigesimal
660ej9
36
Base36
c086d
md5
551cb8a4e935cfc5767bf7fb5cc2d263
sha1
de189c9441470959fb5b6145bf6de348fa8bc3da
sha256
1bbb3a9726ab8697f0d826eda47884454897fcb9f9bb26742070b6d25f639f34
sha512
d953f2ca3a28bc562923d09a056be6edba50f1ac6f6065dc762cbe2ad1dc111200785621c705e0e91d9e35efa3e9840f415b0fe778a481d59fb8c895a13b1158
ripemd-160
e35623f21298d5603a4e05e9abd0ed339e2b699b
Diameter
40331978
Circumference
126706645.78955
Area
1.2775824126094E+15
Volume
3.4351617172367E+22
Surface area
5.1103296504377E+15
Circumference
126706645.78955
Perimeter
80663956
Area
406667112348121
Diagonal
28519015.142467
Surface area
2440002674088726
Volume
8.200844514274E+21
Space diagonal
34928517.532875
Perimeter
60497967
Area
1.7609202508857E+14
Altitude
17464258.766438
Surface area
1.7609202508857E+14
Volume
9.6647879458327E+20
Height
9506338.3808222