21378082 is an even 8-digits composite number following 21378081
and preceding 21378083 . In scientific notation, it is written as 2.1378082 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9454320 positive integers (up to 21378082) that are relatively prime to 21378082.
21378082 has 16 divisors, whose sum is 35929152
The reverse of 21378082 is 28087312
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred seventy-eight thousand eighty-two
Scientific notation
2.1378082 × 10^7
Engineering notation
2.1378082 × 10^6
Prime Factorization
2 × 11 × 37 × 26263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21378082
Product of the distinct prime numbers
The prime factorization of 21378082 is 2 × 11 × 37 × 26263.
Since it has a total of 4 prime factors.
2 , 9 , 78 , 74 , 319 , 962 , 2710 , 3910 , 31163 , 32653 , 754377 , 750976 , 6962765 , 821763 , 62809311 , 85868315 , 679861199 , 875977574 , 2275346932 , 4775237084
n×2
42756164
n×3
64134246
n×4
85512328
n×5
106890410
n÷2
10689041
n÷3
7126027.3333333
n÷3
5344520.5
n÷5
4275616.4
n2
457022389998724
n3
9.7702621292287E+21
n4
2.0886946496015E+29
n5
4.4652285492141E+36
2 √n
4623.6438011594
3 √n
277.53829301389
4 √n
67.997380840437
5 √n
29.241102808096
1 , 2 , 11 , 22 , 37 , 74 , 407 , 814 , 26263 , 52526 , 288893 , 577786 , 971731 , 1943462 , 10689041 , 21378082
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
-21378081
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 21378082 can be divided by 16 positive divisors.
The sum of these divisors (counting 21378082) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001100011010000100010
3
Ternary
1111020010012211
4
Quaternary
1101203100202
5
Quinary
20433044312
6
Senary
2042112334
8
Octal
121432042
10
Decimal
21378082
12
Duodecimal
71ab6aa
16
Hexadecimal
1463422
20
Vigesimal
6dc542
36
Base36
cq7fm
md5
9d0b5d5f52fb5d20b8b89d56bce51e10
sha1
6fc30608612093e1d4ae1d2da12bd57fd878f974
sha256
402b4481676502cf853e11a06edb9b11946a75e6071cf43d91bbe30af17015ac
sha512
21d972a0682e410c83fd2b6e45f79d933278602277c6fc7dbc4f4c002a4c7ceb041c9448a3d11b3be687e8dfb7cbe395e8743daf06f79ea9180fdd41ceead732
ripemd-160
030d139c3167fdefbe7b902b6c70ed8ced200c09
Diameter
42756164
Circumference
134322450.71808
Area
1.435778182946E+15
Volume
4.0925578305109E+22
Surface area
5.7431127317842E+15
Circumference
134322450.71808
Perimeter
85512328
Area
457022389998724
Diagonal
30233173.501924
Surface area
2742134339992344
Volume
9.7702621292287E+21
Space diagonal
37027924.192374
Perimeter
64134246
Area
1.9789649991859E+14
Altitude
18513962.096187
Surface area
1.9789649991859E+14
Volume
1.151436434258E+21
Height
10077724.500641