21373906 is an even 8-digits composite number following 21373905
and preceding 21373907 . In scientific notation, it is written as 2.1373906 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10686952 positive integers (up to 21373906) that are relatively prime to 21373906.
21373906 has 4 divisors, whose sum is 32060862
The reverse of 21373906 is 60937312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred seventy-three thousand nine hundred six
Scientific notation
2.1373906 × 10^7
Engineering notation
2.1373906 × 10^6
Prime Factorization
2 × 10686953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21373906
Product of the distinct prime numbers
The prime factorization of 21373906 is 2 × 10686953.
Since it has a total of 2 prime factors.
8 , 10 , 70 , 59 , 782 , 836 , 1107 , 3309 , 14744 , 38767 , 936769 , 240108 , 1760861 , 2131551 , 4150344 , 13345394 , 333535974 , 63677503 , 1361776827 , 7913523029
n×2
42747812
n×3
64121718
n×4
85495624
n×5
106869530
n÷2
10686953
n÷3
7124635.3333333
n÷3
5343476.5
n÷5
4274781.2
n2
456843857696836
n3
9.7645376710895E+21
n4
2.0870631031533E+29
n5
4.4608690582866E+36
2 √n
4623.192187223
3 √n
277.52022037005
4 √n
67.994059940726
5 √n
29.239960325925
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21373905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21373906 can be divided by 4 positive divisors.
The sum of these divisors (counting 21373906) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001100010001111010010
3
Ternary
1111012220111011
4
Quaternary
1101202033102
5
Quinary
20432431111
6
Senary
2042041134
8
Octal
121421722
10
Decimal
21373906
12
Duodecimal
71a91aa
16
Hexadecimal
14623d2
20
Vigesimal
6dbef6
36
Base36
cq47m
md5
3e3e3b85671f3364c1e657ea6dff7fc4
sha1
a5707320427c978a86c9a5c99015692583a09b96
sha256
eb623878204e53520d940b32f30607c0ef61b4960c145803a8e21eab8d55a195
sha512
d8e708cec3a109ebb4d53d46070421f78e4125ae3d2318c322a329f7e4e04ba5397481eaf7f0eef042bf9ad34f219798bbf3bcf6c74949f8fee7302ac9236ac1
ripemd-160
09598d9210badc583d09bf24dac698567360974b
Diameter
42747812
Circumference
134296212.13624
Area
1.435217307178E+15
Volume
4.0901599750928E+22
Surface area
5.740869228712E+15
Circumference
134296212.13624
Perimeter
85495624
Area
456843857696836
Diagonal
30227267.746088
Surface area
2741063146181016
Volume
9.7645376710895E+21
Space diagonal
37020691.148201
Perimeter
64121718
Area
1.9781919316417E+14
Altitude
18510345.574101
Surface area
1.9781919316417E+14
Volume
1.1507618003965E+21
Height
10075755.915363