21379910 is an even 8-digits composite number following 21379909
and preceding 21379911 . In scientific notation, it is written as 2.1379910 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 8538336 positive integers (up to 21379910) that are relatively prime to 21379910.
21379910 has 16 divisors, whose sum is 38545200
The reverse of 21379910 is 01997312
Previous prime number is 829
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million three hundred seventy-nine thousand nine hundred ten
Scientific notation
2.1379910 × 10^7
Engineering notation
2.1379910 × 10^6
Prime Factorization
2 × 5 × 829 × 2579
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21379910
Product of the distinct prime numbers
The prime factorization of 21379910 is 2 × 5 × 829 × 2579.
Since it has a total of 4 prime factors.
5 , 6 , 57 , 82 , 647 , 141 , 9150 , 3488 , 83185 , 39865 , 420986 , 165129 , 7292145 , 8932356 , 68804446 , 43074331 , 118326068 , 553202695 , 7488898687 , 8831384420
n×2
42759820
n×3
64139730
n×4
85519640
n×5
106899550
n÷2
10689955
n÷3
7126636.6666667
n÷3
5344977.5
n÷5
4275982
n2
457100551608100
n3
9.7727686543315E+21
n4
2.0894091428043E+29
n5
4.4671379426333E+36
2 √n
4623.8414765214
3 √n
277.54620338271
4 √n
67.998834376197
5 √n
29.241602861448
1 , 2 , 5 , 10 , 829 , 1658 , 2579 , 4145 , 5158 , 8290 , 12895 , 25790 , 2137991 , 4275982 , 10689955 , 21379910
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
-21379909
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 21379910 can be divided by 16 positive divisors.
The sum of these divisors (counting 21379910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100011101101000110
3
Ternary
1111020012201112
4
Quaternary
1101203231012
5
Quinary
20433124120
6
Senary
2042125022
8
Octal
121435506
10
Decimal
21379910
12
Duodecimal
71b0772
16
Hexadecimal
1463b46
20
Vigesimal
6dc9fa
36
Base36
cq8ue
md5
a8502c58ece49596792cb0c25d444f00
sha1
84dd0d3c81998f94d139cfedbe226be46bbf8872
sha256
f3c2bee8912e80d6ecda8659330e2e43207e6295a55c651061bc714e539f1e53
sha512
a4c708efe43fac03a346b6b745393beab7f18860d1b56137661ae6cc17ccf55cb7d2f124de2eb96f8f56648d7eb4f6adf49243d5f96ce62cdd54ec7613bcc5f9
ripemd-160
3698a47e5ba20324e59163081fd214e5b7aa53cc
Diameter
42759820
Circumference
134333936.38082
Area
1.4360237348838E+15
Volume
4.0936077612907E+22
Surface area
5.7440949395354E+15
Circumference
134333936.38082
Perimeter
85519640
Area
457100551608100
Diagonal
30235758.684316
Surface area
2742603309648600
Volume
9.7727686543315E+21
Space diagonal
37031090.38125
Perimeter
64139730
Area
1.9793034488825E+14
Altitude
18515545.190625
Surface area
1.9793034488825E+14
Volume
1.1517318310742E+21
Height
10078586.228105