21232457 is an odd 8-digits prime number following 21232456
and preceding 21232458 . In scientific notation, it is written as 2.1232457 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21232456 positive integers (up to 21232457) that are relatively prime to 21232457.
21232457 has 2 divisors, whose sum is 21232458
The reverse of 21232457 is 75423212
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million two hundred thirty-two thousand four hundred fifty-seven
Scientific notation
2.1232457 × 10^7
Engineering notation
2.1232457 × 10^6
Prime Factorization
21232457
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21232457
Product of the distinct prime numbers
The prime factorization of 21232457 is 21232457.
Since it has a total of 1 prime factors.
9 , 3 , 21 , 21 , 305 , 971 , 1052 , 7646 , 18918 , 45555 , 40326 , 876464 , 592228 , 9951088 , 86004249 , 1706450 , 173784328 , 99107097 , 5900128848 , 6534891176
n×2
42464914
n×3
63697371
n×4
84929828
n×5
106162285
n÷2
10616228.5
n÷3
7077485.6666667
n÷3
5308114.25
n÷5
4246491.4
n2
450817230256849
n3
9.5719574562876E+21
n4
2.0323617509646E+29
n5
4.31520334858E+36
2 √n
4607.8690302568
3 √n
276.90667050039
4 √n
67.881286303788
5 √n
29.201156419203
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21232458
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10616229
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4607.8691387669
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999058046
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21232457 can be divided by 2 positive divisors.
The sum of these divisors (counting 21232457) is 21232458, the average is 10616229.
Base
System
Value
2
Binary
1010000111111101101001001
3
Ternary
1110221201110022
4
Quaternary
1100333231021
5
Quinary
20413414312
6
Senary
2035030225
8
Octal
120775511
10
Decimal
21232457
12
Duodecimal
713b375
16
Hexadecimal
143fb49
20
Vigesimal
6ce12h
36
Base36
cn32h
md5
59558cf32b22aad864dec63cef67e600
sha1
44c8a93ba473fb8299501ecbabf9facfd9e03ec2
sha256
d0441145314eabb5e82a191ebc8ada6ed154a98fbf072f7580fb59fb74588016
sha512
859d0afe676474d10804a2291130c6a25248ea10df52d7dfb9ff9d9092b60e21360ce42dfdf943204f50925bc339e615a5432ed174586dc924c4d8f2548b05e5
ripemd-160
468bf59fff90fffc8327ea0bccdddb50f0abed23
Diameter
42464914
Circumference
133407461.85772
Area
1.4162840986866E+15
Volume
4.009492163353E+22
Surface area
5.6651363947465E+15
Circumference
133407461.85772
Perimeter
84929828
Area
450817230256849
Diagonal
30027228.651904
Surface area
2704903381541094
Volume
9.5719574562876E+21
Space diagonal
36775694.293521
Perimeter
63697371
Area
1.9520958693308E+14
Altitude
18387847.146761
Surface area
1.9520958693308E+14
Volume
1.1280660044284E+21
Height
10009076.217301