21502406 is an even 8-digits composite number following 21502405
and preceding 21502407 . In scientific notation, it is written as 2.1502406 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 16 positive divisors.
There are 10118160 positive integers (up to 21502406) that are relatively prime to 21502406.
21502406 has 16 divisors, whose sum is 33172416
The reverse of 21502406 is 60420512
Previous prime number is 1457
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million five hundred two thousand four hundred six
Scientific notation
2.1502406 × 10^7
Engineering notation
2.1502406 × 10^6
Prime Factorization
2 × 47 × 1457 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21502406
Product of the distinct prime numbers
The prime factorization of 21502406 is 2 × 47 × 1457 × 157.
Since it has a total of 4 prime factors.
1 , 7 , 94 , 40 , 925 , 92 , 6363 , 54 , 71051 , 98289 , 903868 , 630472 , 4992980 , 248307 , 24809599 , 58624231 , 266404680 , 318977435 , 1872030007 , 2851684467
n×2
43004812
n×3
64507218
n×4
86009624
n×5
107512030
n÷2
10751203
n÷3
7167468.6666667
n÷3
5375601.5
n÷5
4300481.2
n2
462353463788836
n3
9.9417118938938E+21
n4
2.1377072547753E+29
n5
4.5965849301325E+36
2 √n
4637.0686861421
3 √n
278.07526040617
4 √n
68.096025479775
5 √n
29.27503423066
1 , 2 , 47 , 94 , 157 , 314 , 1457 , 2914 , 7379 , 14758 , 68479 , 136958 , 228749 , 457498 , 10751203 , 21502406
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
-21502405
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 21502406 can be divided by 16 positive divisors.
The sum of these divisors (counting 21502406) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010000001100111000110
3
Ternary
1111110102202102
4
Quaternary
1102001213012
5
Quinary
21001034111
6
Senary
2044512102
8
Octal
122014706
10
Decimal
21502406
12
Duodecimal
724b632
16
Hexadecimal
14819c6
20
Vigesimal
6e7g06
36
Base36
csvd2
md5
70f10ab705e0e862416e26543c34ac3d
sha1
ab7642863201092b6cac53f88448ba9e6792c475
sha256
13344ee4a57a45d43812be80f45fe2cfae93e819953e4cc4540accc25276198e
sha512
f72e2769b28c5a986e9b665bfa7cab05e792f7b896be1965270c3739440a63df2860b9b283795aa6735012b8fc00ccb5f37c9ce6929ed44b301ca5c017956259
ripemd-160
d1d3375e64111b7b015254426d1c69bbef8c06de
Diameter
43004812
Circumference
135103601.44821
Area
1.4525262452008E+15
Volume
4.1643745399951E+22
Surface area
5.8101049808032E+15
Circumference
135103601.44821
Perimeter
86009624
Area
462353463788836
Diagonal
30408994.188853
Surface area
2774120782733016
Volume
9.9417118938938E+21
Space diagonal
37243259.676974
Perimeter
64507218
Area
2.0020492258443E+14
Altitude
18621629.838487
Surface area
2.0020492258443E+14
Volume
1.1716419827959E+21
Height
10136331.396284