21931442 is an even 8-digits composite number following 21931441
and preceding 21931443 . In scientific notation, it is written as 2.1931442 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 10059600 positive integers (up to 21931442) that are relatively prime to 21931442.
21931442 has 16 divisors, whose sum is 35646912
The reverse of 21931442 is 24413912
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million nine hundred thirty-one thousand four hundred forty-two
Scientific notation
2.1931442 × 10^7
Engineering notation
2.1931442 × 10^6
Prime Factorization
2 × 13 × 167 × 5051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21931442
Product of the distinct prime numbers
The prime factorization of 21931442 is 2 × 13 × 167 × 5051.
Since it has a total of 4 prime factors.
9 , 5 , 68 , 53 , 123 , 836 , 646 , 8354 , 94317 , 38696 , 701235 , 246427 , 5851844 , 2057833 , 99735310 , 64946092 , 511898283 , 191529204 , 9155681031 , 6776756552
n×2
43862884
n×3
65794326
n×4
87725768
n×5
109657210
n÷2
10965721
n÷3
7310480.6666667
n÷3
5482860.5
n÷5
4386288.4
n2
480988148199364
n3
1.0548763674922E+22
n4
2.3134959870825E+29
n5
5.0738303057933E+36
2 √n
4683.1017499089
3 √n
279.91256623789
4 √n
68.433191872869
5 √n
29.39093738403
1 , 2 , 13 , 26 , 167 , 334 , 2171 , 4342 , 5051 , 10102 , 65663 , 131326 , 843517 , 1687034 , 10965721 , 21931442
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
-21931441
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 21931442 can be divided by 16 positive divisors.
The sum of these divisors (counting 21931442) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011101010010110110010
3
Ternary
1112021020021122
4
Quaternary
1103222112302
5
Quinary
21103301232
6
Senary
2102022242
8
Octal
123522662
10
Decimal
21931442
12
Duodecimal
7417982
16
Hexadecimal
14ea5b2
20
Vigesimal
6h18c2
36
Base36
d22eq
md5
8786924fe4c6acd1c6a3640c3a57090e
sha1
4ea45450a5a0c4304208babc74a55781bcda0f6c
sha256
2d6911af6322b7bc78dc7a00ee6331bae37c9eca4205474e334c048bbac0b5b6
sha512
4df2c6f60ef56ff9f061da7707f0f284e953ff91865de9ed5116f800733230e2e59f0a1d6deb5338450b56ee6af4d2318bf9db44cc048e2373259d65ef761ea6
ripemd-160
566b8bb97c972dffddde8516ef7140cc8d33ed82
Diameter
43862884
Circumference
137799314.13966
Area
1.5110688328469E+15
Volume
4.4186557954119E+22
Surface area
6.0442753313875E+15
Circumference
137799314.13966
Perimeter
87725768
Area
480988148199364
Diagonal
31015742.718799
Surface area
2885928889196184
Volume
1.0548763674922E+22
Space diagonal
37986371.82725
Perimeter
65794326
Area
2.0827397762994E+14
Altitude
18993185.913625
Surface area
2.0827397762994E+14
Volume
1.2431837212786E+21
Height
10338580.906266