20188961 is an odd 8-digits composite number following 20188960
and preceding 20188962 . In scientific notation, it is written as 2.0188961 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 18635952 positive integers (up to 20188961) that are relatively prime to 20188961.
20188961 has 4 divisors, whose sum is 21741972
The reverse of 20188961 is 16988102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-eight thousand nine hundred sixty-one
Scientific notation
2.0188961 × 10^7
Engineering notation
2.0188961 × 10^6
Prime Factorization
13 × 1552997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20188961
Product of the distinct prime numbers
The prime factorization of 20188961 is 13 × 1552997.
Since it has a total of 2 prime factors.
6 , 4 , 70 , 91 , 103 , 26 , 6390 , 3666 , 86584 , 10438 , 410544 , 880302 , 4637734 , 5680040 , 41688803 , 20173565 , 415715869 , 773005593 , 7908903330 , 1393092260
n×2
40377922
n×3
60566883
n×4
80755844
n×5
100944805
n÷2
10094480.5
n÷3
6729653.6666667
n÷3
5047240.25
n÷5
4037792.2
n2
407594146259521
n3
8.2289023226618E+21
n4
1.6613298806503E+29
n5
3.3540524168583E+36
2 √n
4493.2127703905
3 √n
272.29394854523
4 √n
67.031431212458
5 √n
28.908316028272
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
-20188960
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 20188961 can be divided by 4 positive divisors.
The sum of these divisors (counting 20188961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000111100100001
3
Ternary
1101222201001022
4
Quaternary
1031000330201
5
Quinary
20132021321
6
Senary
2000415225
8
Octal
115007441
10
Decimal
20188961
12
Duodecimal
6917515
16
Hexadecimal
1340f21
20
Vigesimal
663c81
36
Base36
c0pwh
md5
24f6dff08b98c2f5c18e06feb8ef157a
sha1
4a2b96cbb9debc1f4467049be2daad915b6c30bd
sha256
c93c9263b2b5f0a790472c10879f7517315d4109ffc942e3146b62bc15fb05df
sha512
55cc2ecc912737967e67f1bbb4f2d6692825326830367a0949ba79f596be550a087e19d86833065f31b16ab84c4c353bdce250cb55a8475f28a9414ba04b913e
ripemd-160
f862533145128e730580fe57bf5bd163cb802c05
Diameter
40377922
Circumference
126850983.12242
Area
1.2804947755351E+15
Volume
3.446914544531E+22
Surface area
5.1219791021405E+15
Circumference
126850983.12242
Perimeter
80755844
Area
407594146259521
Diagonal
28551502.456421
Surface area
2445564877557126
Volume
8.2289023226618E+21
Space diagonal
34968306.204027
Perimeter
60566883
Area
1.7649344254729E+14
Altitude
17484153.102013
Surface area
1.7649344254729E+14
Volume
9.6978543901264E+20
Height
9517167.4854738