21274989 is an odd 8-digits composite number following 21274988
and preceding 21274990 . In scientific notation, it is written as 2.1274989 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 14183324 positive integers (up to 21274989) that are relatively prime to 21274989.
21274989 has 4 divisors, whose sum is 28366656
The reverse of 21274989 is 98947212
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million two hundred seventy-four thousand nine hundred eighty-nine
Scientific notation
2.1274989 × 10^7
Engineering notation
2.1274989 × 10^6
Prime Factorization
3 × 7091663
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21274989
Product of the distinct prime numbers
The prime factorization of 21274989 is 3 × 7091663.
Since it has a total of 2 prime factors.
2 , 2 , 34 , 59 , 972 , 201 , 9235 , 1185 , 36974 , 51232 , 224438 , 392703 , 4444741 , 496031 , 1789239 , 56053782 , 331687407 , 208436665 , 9174686645 , 3424701375
n×2
42549978
n×3
63824967
n×4
85099956
n×5
106374945
n÷2
10637494.5
n÷3
7091663
n÷3
5318747.25
n÷5
4254997.8
n2
452625156950121
n3
9.6295952352371E+21
n4
2.0486953270412E+29
n5
4.3585970547153E+36
2 √n
4612.4818698831
3 √n
277.09144326361
4 √n
67.915255060134
5 √n
29.212845971879
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
-21274988
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 21274989 can be divided by 4 positive divisors.
The sum of these divisors (counting 21274989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001001010000101101101
3
Ternary
1111000212210120
4
Quaternary
1101022011231
5
Quinary
20421244424
6
Senary
2035555153
8
Octal
121120555
10
Decimal
21274989
12
Duodecimal
715bab9
16
Hexadecimal
144a16d
20
Vigesimal
6cj799
36
Base36
cnzvx
md5
1d2f622a981f69669ec955c837892ba0
sha1
add9b5eecb818548810b0eeefe0eee70e0d22daf
sha256
895e948d55a6615281552670105eb54ee235434834d578c9cc246f2fb074a16c
sha512
b42024d9ad397b7d1dffa52753384a3a09a401be64dc889c61974c1b63602089997972cc378690c7ba894e163df1e200de4a00026cc8db20f5d8f1c2b6cb7cb9
ripemd-160
118d448a762e5a5ff6754721bb0a5a790a25d26a
Diameter
42549978
Circumference
133674698.29521
Area
1.4219638679044E+15
Volume
4.0336354197419E+22
Surface area
5.6878554716177E+15
Circumference
133674698.29521
Perimeter
85099956
Area
452625156950121
Diagonal
30087377.983138
Surface area
2715750941700726
Volume
9.6295952352371E+21
Space diagonal
36849361.878469
Perimeter
63824967
Area
1.9599244215536E+14
Altitude
18424680.939234
Surface area
1.9599244215536E+14
Volume
1.1348586818196E+21
Height
10029125.994379