20389917 is an odd 8-digits composite number following 20389916
and preceding 20389918 . In scientific notation, it is written as 2.0389917 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 13593276 positive integers (up to 20389917) that are relatively prime to 20389917.
20389917 has 4 divisors, whose sum is 27186560
The reverse of 20389917 is 71998302
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million three hundred eighty-nine thousand nine hundred seventeen
Scientific notation
2.0389917 × 10^7
Engineering notation
2.0389917 × 10^6
Prime Factorization
3 × 6796639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20389917
Product of the distinct prime numbers
The prime factorization of 20389917 is 3 × 6796639.
Since it has a total of 2 prime factors.
2 , 6 , 68 , 26 , 363 , 815 , 3593 , 8434 , 17050 , 16584 , 12936 , 351323 , 6495402 , 3098397 , 55655817 , 26517612 , 803723651 , 554319568 , 9502324313 , 7592609112
n×2
40779834
n×3
61169751
n×4
81559668
n×5
101949585
n÷2
10194958.5
n÷3
6796639
n÷3
5097479.25
n÷5
4077983.4
n2
415748715266889
n3
8.4770817971485E+21
n4
1.7284699424607E+29
n5
3.5243358663768E+36
2 √n
4515.5195714336
3 √n
273.19441665314
4 √n
67.197615816587
5 √n
28.965637521896
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
-20389916
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 20389917 can be divided by 4 positive divisors.
The sum of these divisors (counting 20389917) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010000000011101
3
Ternary
1102100220201010
4
Quaternary
1031302000131
5
Quinary
20204434132
6
Senary
2005005433
8
Octal
115620035
10
Decimal
20389917
12
Duodecimal
69b3879
16
Hexadecimal
137201d
20
Vigesimal
678efh
36
Base36
c50yl
md5
40cb8e66e1b19b2f3486bb01b7d823ec
sha1
fcfbbe5f1e18443539664129e062d5a74d07db74
sha256
d486e155bd2e07552db758bffe0b2c2c91eab8bae15963a16611401b0aa0057b
sha512
90a935144045e7b1b6de3ec2c66097c9d2eb3a2159a325fcb70d533ba62e4e76caa29be9db72a48ecabcc62886d25cf5807e512cec15737f347c21ca1431fc49
ripemd-160
79fd5be42ae5c606bd8d19b8b60940ea669c6575
Diameter
40779834
Circumference
128113626.90901
Area
1.3061131096219E+15
Volume
3.5508717197069E+22
Surface area
5.2244524384874E+15
Circumference
128113626.90901
Perimeter
81559668
Area
415748715266889
Diagonal
28835697.157062
Surface area
2494492291601334
Volume
8.4770817971485E+21
Space diagonal
35316372.206112
Perimeter
61169751
Area
1.8002447450593E+14
Altitude
17658186.103056
Surface area
1.8002447450593E+14
Volume
9.9903367057279E+20
Height
9611899.0523539