21125989 is an odd 8-digits prime number following 21125988
and preceding 21125990 . In scientific notation, it is written as 2.1125989 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 21125988 positive integers (up to 21125989) that are relatively prime to 21125989.
21125989 has 2 divisors, whose sum is 21125990
The reverse of 21125989 is 98952112
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 37 Digital Root 1
Name
twenty-one million one hundred twenty-five thousand nine hundred eighty-nine
Scientific notation
2.1125989 × 10^7
Engineering notation
2.1125989 × 10^6
Prime Factorization
21125989
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21125989 Product of the distinct prime numbers
The prime factorization of 21125989 is 21125989.
Since it has a total of 1 prime factors.
5 , 10 , 37 , 74 , 992 , 250 , 6158 , 2501 , 94430 , 85484 , 185128 , 225751 , 4963188 , 8000199 , 2622937 , 96532851 , 800540220 , 441285954 , 19181280 , 1749725216
n×2
42251978
n×3
63377967
n×4
84503956
n×5
105629945
n÷2
10562994.5
n÷3
7041996.3333333
n÷3
5281497.25
n÷5
4225197.8
n2
446307411228121
n3
9.4286854602238E+21
n4
1.9919030531715E+29
n5
4.2080921990367E+36
2 √n4596.3016654698
3 √n276.44305458766
4 √n67.796029865102
5 √n29.171812255854
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21125990 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10562995 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4596.3017742529 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999053299 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21125989 can be divided by 2 positive divisors.
The sum of these divisors (counting 21125989) is 21125990, the average is 10562995.
Base
System
Value
2
Binary
1010000100101101101100101
3
Ternary
1110202022102001
4
Quaternary
1100211231211
5
Quinary
20402012424
6
Senary
2032445301
8
Octal
120455545
10
Decimal
21125989
12
Duodecimal
70a9831
16
Hexadecimal
1425b65
20
Vigesimal
6c0ej9
36
Base36
cksx1
md5
520a06c6aa9c7e59d9bebca97f32c23a
sha1
33bffa32908c2d8266a1b0668f757140889d8f0a
sha256
8eac5a8e9aa68e2c259360d71c976173c1d06d0e0b9e63f5f6af8298309ead04
sha512
d4ff4639b9862c8a73f318b46b6f15487843ab530d2a4a7d1b485597f8eff7adc655d5c1594fc5cef8ac83e9b08ec0e4593bca6d19134d8f6bd5daf73a9db868
ripemd-160
f666627d46c0e50b79f844c0fc92ea985ba4feaf
Diameter
42251978
Circumference
132738503.68444
Area
1.4021160843569E+15
Volume
3.9494785299797E+22
Surface area
5.6084643374278E+15
Circumference
132738503.68444
Perimeter
84503956
Area
446307411228121
Diagonal
29876660.162345
Surface area
2677844467368726
Volume
9.4286854602238E+21
Space diagonal
36591286.308141
Perimeter
63377967
Area
1.9325677801041E+14
Altitude
18295643.154071
Surface area
1.9325677801041E+14
Volume
1.1111812377665E+21
Height
9958886.7207816