21031684 is an even 8-digits composite number following 21031683
and preceding 21031685 . In scientific notation, it is written as 2.1031684 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 10504064 positive integers (up to 21031684) that are relatively prime to 21031684.
21031684 has 12 divisors, whose sum is 36846684
The reverse of 21031684 is 48613012
Previous prime number is 4793
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million thirty-one thousand six hundred eighty-four
Scientific notation
2.1031684 × 10^7
Engineering notation
2.1031684 × 10^6
Prime Factorization
2 × 2 × 4793 × 1097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10515842
Product of the distinct prime numbers
The prime factorization of 21031684 is 2 × 2 × 4793 × 1097.
Since it has a total of 4 prime factors.
5 , 7 , 74 , 33 , 839 , 285 , 6578 , 8035 , 96681 , 40402 , 757444 , 143114 , 5969137 , 1894019 , 71701637 , 99518668 , 661476584 , 278271593 , 8299675852 , 3323554008
n×2
42063368
n×3
63095052
n×4
84126736
n×5
105158420
n÷2
10515842
n÷3
7010561.3333333
n÷3
5257921
n÷5
4206336.8
n2
442331731875856
n3
9.3029812079857E+21
n4
1.9565736102429E+29
n5
4.1150037893369E+36
2 √n
4586.0313998053
3 √n
276.03109990515
4 √n
67.720243648449
5 √n
29.145721423847
1 , 2 , 4 , 1097 , 2194 , 4388 , 4793 , 9586 , 19172 , 5257921 , 10515842 , 21031684
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031683
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031684 can be divided by 12 positive divisors.
The sum of these divisors (counting 21031684) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000001110101100000100
3
Ternary
1110120112001021
4
Quaternary
1100032230010
5
Quinary
20341003214
6
Senary
2030440524
8
Octal
120165404
10
Decimal
21031684
12
Duodecimal
7063144
16
Hexadecimal
140eb04
20
Vigesimal
6b8j44
36
Base36
cis5g
md5
c2ee2caca545ae2efc7fce6ba70406f9
sha1
ff1266fbfa20e345dc1ef04002fb918ec3974fc1
sha256
b6c01d2bc7ff5245454f5acd8962ffea0c9d449e85a1a97b06b8582bd2aaaa92
sha512
abea7f327dd6f8291785b60e8eb5255178c6c858f28633ed4a42cbbb95caa9cbbe338eb01fca9aaeee7683516a67a68fec8f4d046b324df1b1c8ea521a4bf52c
ripemd-160
9e3967579c90511f7b7e896aa1f8fc20cedf3ff9
Diameter
42063368
Circumference
132145967.89404
Area
1.3896261193108E+15
Volume
3.8968236559322E+22
Surface area
5.5585044772434E+15
Circumference
132145967.89404
Perimeter
84126736
Area
442331731875856
Diagonal
29743292.752345
Surface area
2653990391255136
Volume
9.3029812079857E+21
Space diagonal
36427945.256733
Perimeter
63095052
Area
1.9153525835223E+14
Altitude
18213972.628367
Surface area
1.9153525835223E+14
Volume
1.0963668495696E+21
Height
9914430.9174484