21031512 is an even 8-digits composite number following 21031511
and preceding 21031513 . In scientific notation, it is written as 2.1031512 × 10^7.
The sum of its digits is 15. It has a total of 6 prime factors and 32 positive divisors.
There are 6978560 positive integers (up to 21031512) that are relatively prime to 21031512.
21031512 has 32 divisors, whose sum is 52818480
The reverse of 21031512 is 21513012
Previous prime number is 233
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million thirty-one thousand five hundred twelve
Scientific notation
2.1031512 × 10^7
Engineering notation
2.1031512 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 233 × 3761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5257878
Product of the distinct prime numbers
The prime factorization of 21031512 is 2 × 2 × 2 × 3 × 233 × 3761.
Since it has a total of 6 prime factors.
10 , 7 , 92 , 55 , 857 , 561 , 3418 , 7326 , 70694 , 3114 , 540445 , 317535 , 7359512 , 3524302 , 60696122 , 47214558 , 140066171 , 137196085 , 9665302030 , 5654638842
n×2
42063024
n×3
63094536
n×4
84126048
n×5
105157560
n÷2
10515756
n÷3
7010504
n÷3
5257878
n÷5
4206302.4
n2
442324497006144
n3
9.3027529666787E+21
n4
1.9565096065174E+29
n5
4.1148355267586E+36
2 √n
4586.0126471697
3 √n
276.03034742969
4 √n
67.720105191661
5 √n
29.145673752149
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 233 , 466 , 699 , 932 , 1398 , 1864 , 2796 , 3761 , 5592 , 7522 , 11283 , 15044 , 22566 , 30088 , 45132 , 90264 , 876313 , 1752626 , 2628939 , 3505252 , 5257878 , 7010504 , 10515756 , 21031512
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031512 can be divided by 32 positive divisors.
The sum of these divisors (counting 21031512) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001110101001011000
3
Ternary
1110120111210220
4
Quaternary
1100032221120
5
Quinary
20341002022
6
Senary
2030440040
8
Octal
120165130
10
Decimal
21031512
12
Duodecimal
7063020
16
Hexadecimal
140ea58
20
Vigesimal
6b8ifc
36
Base36
cis0o
md5
9372c13f2825a494aeabb33390ce023f
sha1
d004ec1e7fa0f14b203909070a31cbe70adec9a0
sha256
569966c7d2eeb667ff182e2b3193729341f574ff77ad5a6c423c450fa91208d8
sha512
b9a5c983100399add202f3933b9c5385bb707f24c25991d281921034185a83386f5ce8fd6c1644beb24c6e0f3789b534ea1d5feb827eb50757c750144c2b9860
ripemd-160
b8e16fdb93fde89916cc6c5aacdcd609e4df05b9
Diameter
42063024
Circumference
132144887.18617
Area
1.3896033902973E+15
Volume
3.8967280504371E+22
Surface area
5.5584135611892E+15
Circumference
132144887.18617
Perimeter
84126048
Area
442324497006144
Diagonal
29743049.507613
Surface area
2653946982036864
Volume
9.3027529666787E+21
Space diagonal
36427647.343995
Perimeter
63094536
Area
1.9153212556175E+14
Altitude
18213823.671997
Surface area
1.9153212556175E+14
Volume
1.0963399510736E+21
Height
9914349.8358708