21039906 is an even 8-digits composite number following 21039905
and preceding 21039907 . In scientific notation, it is written as 2.1039906 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6771408 positive integers (up to 21039906) that are relatively prime to 21039906.
21039906 has 16 divisors, whose sum is 43531200
The reverse of 21039906 is 60993012
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million thirty-nine thousand nine hundred six
Scientific notation
2.1039906 × 10^7
Engineering notation
2.1039906 × 10^6
Prime Factorization
2 × 3 × 29 × 120919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21039906
Product of the distinct prime numbers
The prime factorization of 21039906 is 2 × 3 × 29 × 120919.
Since it has a total of 4 prime factors.
1 , 6 , 14 , 29 , 516 , 981 , 4903 , 4179 , 18073 , 29942 , 254905 , 112544 , 2131812 , 5337796 , 53778628 , 72828234 , 907501124 , 90128065 , 5965625183 , 4540430347
n×2
42079812
n×3
63119718
n×4
84159624
n×5
105199530
n÷2
10519953
n÷3
7013302
n÷3
5259976.5
n÷5
4207981.2
n2
442677644488836
n3
9.3138960283465E+21
n4
1.9596349693018E+29
n5
4.1230535548424E+36
2 √n
4586.9277299735
3 √n
276.067065198
4 √n
67.72686121454
5 √n
29.147999878179
1 , 2 , 3 , 6 , 29 , 58 , 87 , 174 , 120919 , 241838 , 362757 , 725514 , 3506651 , 7013302 , 10519953 , 21039906
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
-21039905
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 21039906 can be divided by 16 positive divisors.
The sum of these divisors (counting 21039906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010000101100100010
3
Ternary
1110120221022210
4
Quaternary
1100100230202
5
Quinary
20341234111
6
Senary
2030542550
8
Octal
120205442
10
Decimal
21039906
12
Duodecimal
7067a56
16
Hexadecimal
1410b22
20
Vigesimal
6b9jf6
36
Base36
ciyhu
md5
bca33cab1d6bf844e5dd8d9794687228
sha1
62ce9aa20d75696ac7d1d2ac72c3ce5eaa2397b5
sha256
bc6c182b993d37b70c83d699b7960593fe627f07a37ece8f58dc7d00391683de
sha512
a4bb1212a0016021727a9562dcc7bc97e213e9b3fb17a8617cc07b40f23af607f66559d7f54cc1490eaf5049928daefa96876fe1ec18635499e25a641dcb7605
ripemd-160
f2450d27a83120440c5e5990111f20f70c617021
Diameter
42079812
Circumference
132197628.24364
Area
1.3907128358346E+15
Volume
3.9013956451937E+22
Surface area
5.5628513433382E+15
Circumference
132197628.24364
Perimeter
84159624
Area
442677644488836
Diagonal
29754920.416255
Surface area
2656065866933016
Volume
9.3138960283465E+21
Space diagonal
36442186.178473
Perimeter
63119718
Area
1.9168504290739E+14
Altitude
18221093.089237
Surface area
1.9168504290739E+14
Volume
1.097653173485E+21
Height
9918306.8054184