21127923 is an odd 8-digits composite number following 21127922
and preceding 21127924 . In scientific notation, it is written as 2.1127923 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 18 positive divisors.
There are 13255104 positive integers (up to 21127923) that are relatively prime to 21127923.
21127923 has 18 divisors, whose sum is 32422884
The reverse of 21127923 is 32972112
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred twenty-seven thousand nine hundred twenty-three
Scientific notation
2.1127923 × 10^7
Engineering notation
2.1127923 × 10^6
Prime Factorization
3 × 3 × 17 × 17 × 8123
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
414273
Product of the distinct prime numbers
The prime factorization of 21127923 is 3 × 3 × 17 × 17 × 8123.
Since it has a total of 5 prime factors.
9 , 2 , 37 , 31 , 198 , 317 , 7469 , 4072 , 10882 , 67823 , 749946 , 991190 , 823912 , 8776373 , 22517631 , 69834968 , 905079864 , 59527515 , 1390259046 , 9519996590
n×2
42255846
n×3
63383769
n×4
84511692
n×5
105639615
n÷2
10563961.5
n÷3
7042641
n÷3
5281980.75
n÷5
4225584.6
n2
446389130293929
n3
9.4312751728871E+21
n4
1.9926325564457E+29
n5
4.2100187219878E+36
2 √n
4596.512047194
3 √n
276.45149008313
4 √n
67.797581425845
5 √n
29.1723463489
1 , 3 , 9 , 17 , 51 , 153 , 289 , 867 , 2601 , 8123 , 24369 , 73107 , 138091 , 414273 , 1242819 , 2347547 , 7042641 , 21127923
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21127922
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21127923 can be divided by 18 positive divisors.
The sum of these divisors (counting 21127923) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1010000100110001011110011
3
Ternary
1110202102001200
4
Quaternary
1100212023303
5
Quinary
20402043143
6
Senary
2032502243
8
Octal
120461363
10
Decimal
21127923
12
Duodecimal
70aa983
16
Hexadecimal
14262f3
20
Vigesimal
6c0jg3
36
Base36
ckuer
md5
f00b4ae5b6d3fa8c0c1af6d01579d8d6
sha1
8333ba81aec228370919d44f4286426713242151
sha256
ee9df1c280330dbec528533ba6ae95631e13f91b102a27268b681e191d48d7fe
sha512
bc9e833da7eda75c1ab506ba5e4f3117a576c6039465045d7e72907593cbdb06e07fa41051691d58612b377e151175a6a88f776635052564a54afb256b917ed3
ripemd-160
9c0a3fd6f7c8d957fd89bac6e6fc5055e1e0620d
Diameter
42255846
Circumference
132750655.36482
Area
1.4023728123737E+15
Volume
3.9505633062835E+22
Surface area
5.609491249495E+15
Circumference
132750655.36482
Perimeter
84511692
Area
446389130293929
Diagonal
29879395.251374
Surface area
2678334781763574
Volume
9.4312751728871E+21
Space diagonal
36594636.094403
Perimeter
63383769
Area
1.9329216340389E+14
Altitude
18297318.047202
Surface area
1.9329216340389E+14
Volume
1.1114864383308E+21
Height
9959798.4171248