21131694 is an even 8-digits composite number following 21131693
and preceding 21131695 . In scientific notation, it is written as 2.1131694 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 7043892 positive integers (up to 21131694) that are relatively prime to 21131694.
21131694 has 12 divisors, whose sum is 45785376
The reverse of 21131694 is 49613112
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred thirty-one thousand six hundred ninety-four
Scientific notation
2.1131694 × 10^7
Engineering notation
2.1131694 × 10^6
Prime Factorization
2 × 3 × 3 × 1173983
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7043898
Product of the distinct prime numbers
The prime factorization of 21131694 is 2 × 3 × 3 × 1173983.
Since it has a total of 4 prime factors.
7 , 7 , 13 , 23 , 682 , 520 , 4090 , 2175 , 14052 , 63945 , 284751 , 732435 , 413292 , 5170844 , 56630128 , 86580440 , 851155099 , 720701206 , 6232161537 , 4022033778
n×2
42263388
n×3
63395082
n×4
84526776
n×5
105658470
n÷2
10565847
n÷3
7043898
n÷3
5282923.5
n÷5
4226338.8
n2
446548491309636
n3
9.4363260745169E+21
n4
1.9940555509091E+29
n5
4.2137771720813E+36
2 √n
4596.9222312325
3 √n
276.46793651048
4 √n
67.800606422307
5 √n
29.173387635021
1 , 2 , 3 , 6 , 9 , 18 , 1173983 , 2347966 , 3521949 , 7043898 , 10565847 , 21131694
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
-21131693
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 21131694 can be divided by 12 positive divisors.
The sum of these divisors (counting 21131694) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000100111000110101110
3
Ternary
1110202121020100
4
Quaternary
1100213012232
5
Quinary
20402203234
6
Senary
2032531530
8
Octal
120470656
10
Decimal
21131694
12
Duodecimal
70b0ba6
16
Hexadecimal
14271ae
20
Vigesimal
6c194e
36
Base36
ckxbi
md5
de3e14b32ccc0f5b23a9b20256fa019c
sha1
7eb12c154c62cd50e459da0695a07794f88a525e
sha256
945a11b93cbc8cab77d85bbecbea97b48f47f668dd3b1564d9df933e4df98270
sha512
e44c4af4fe6111192919d20c08d3f101366262fa59cd0015f7364edacbf3f220adf38966623652aedaf6bddf7d9d06fa3c45563de9161954e6597b84b82a702f
ripemd-160
9e123e4ff14fa401803128f53aa70633fbe81f3d
Diameter
42263388
Circumference
132774349.25662
Area
1.40287345977E+15
Volume
3.9526790230107E+22
Surface area
5.6114938390798E+15
Circumference
132774349.25662
Perimeter
84526776
Area
446548491309636
Diagonal
29884728.250718
Surface area
2679290947857816
Volume
9.4363260745169E+21
Space diagonal
36601167.657998
Perimeter
63395082
Area
1.9336116874788E+14
Altitude
18300583.828999
Surface area
1.9336116874788E+14
Volume
1.1120816927964E+21
Height
9961576.0835727