21931646 is an even 8-digits composite number following 21931645
and preceding 21931647 . In scientific notation, it is written as 2.1931646 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 9819480 positive integers (up to 21931646) that are relatively prime to 21931646.
21931646 has 16 divisors, whose sum is 36426240
The reverse of 21931646 is 64613912
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million nine hundred thirty-one thousand six hundred forty-six
Scientific notation
2.1931646 × 10^7
Engineering notation
2.1931646 × 10^6
Prime Factorization
2 × 11 × 67 × 14879
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21931646
Product of the distinct prime numbers
The prime factorization of 21931646 is 2 × 11 × 67 × 14879.
Since it has a total of 4 prime factors.
5 , 9 , 10 , 42 , 897 , 135 , 1193 , 8639 , 96107 , 26383 , 259459 , 640180 , 3632038 , 4976891 , 64986548 , 10616570 , 77639558 , 361635976 , 9081993236 , 5528423409
n×2
43863292
n×3
65794938
n×4
87726584
n×5
109658230
n÷2
10965823
n÷3
7310548.6666667
n÷3
5482911.5
n÷5
4386329.2
n2
480997096269316
n3
1.0549058042407E+22
n4
2.3135820661951E+29
n5
5.074066286774E+36
2 √n
4683.1235302947
3 √n
279.91343412407
4 √n
68.433351008808
5 √n
29.390992061045
1 , 2 , 11 , 22 , 67 , 134 , 737 , 1474 , 14879 , 29758 , 163669 , 327338 , 996893 , 1993786 , 10965823 , 21931646
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931645
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931646 can be divided by 16 positive divisors.
The sum of these divisors (counting 21931646) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011101010011001111110
3
Ternary
1112021020120012
4
Quaternary
1103222121332
5
Quinary
21103303041
6
Senary
2102023222
8
Octal
123523176
10
Decimal
21931646
12
Duodecimal
7417b12
16
Hexadecimal
14ea67e
20
Vigesimal
6h1926
36
Base36
d22ke
md5
9e64138bef5cc096ddb98e00d7cee04e
sha1
8b0a3fc4c984021b7c716beaafeefaf624af0a85
sha256
49029bc9363319dda0a6e663bf5e86da99bb5682f20abb67d333686787db803e
sha512
7ca82470e1fc7dd40ca05372d937396bb83f5f931aaa2d092904b4d05834315ba4427ec90eadd13c3b29cca4df55f584302127891e1c18a594f0eb6e815e0c57
ripemd-160
9489e66087f730cb3106ffbd4a4a824f74e1cbf1
Diameter
43863292
Circumference
137800595.90946
Area
1.5110969440377E+15
Volume
4.4187790997756E+22
Surface area
6.0443877761508E+15
Circumference
137800595.90946
Perimeter
87726584
Area
480997096269316
Diagonal
31016031.218366
Surface area
2885982577615896
Volume
1.0549058042407E+22
Space diagonal
37986725.165615
Perimeter
65794938
Area
2.0827785225789E+14
Altitude
18993362.582807
Surface area
2.0827785225789E+14
Volume
1.2432184128194E+21
Height
10338677.072789