21039980 is an even 8-digits composite number following 21039979
and preceding 21039981 . In scientific notation, it is written as 2.1039980 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors.
There are 7768512 positive integers (up to 21039980) that are relatively prime to 21039980.
21039980 has 24 divisors, whose sum is 47583312
The reverse of 21039980 is 08993012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million thirty-nine thousand nine hundred eighty
Scientific notation
2.1039980 × 10^7
Engineering notation
2.1039980 × 10^6
Prime Factorization
2 × 2 × 13 × 5 × 80923
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10519990
Product of the distinct prime numbers
The prime factorization of 21039980 is 2 × 2 × 13 × 5 × 80923.
Since it has a total of 5 prime factors.
6 , 4 , 25 , 100 , 577 , 326 , 7384 , 3658 , 30388 , 2241 , 990820 , 34018 , 5830008 , 9378395 , 6918902 , 73946422 , 542011716 , 258915348 , 9023203055 , 5759039211
n×2
42079960
n×3
63119940
n×4
84159920
n×5
105199900
n÷2
10519990
n÷3
7013326.6666667
n÷3
5259995
n÷5
4207996
n2
442680758400400
n3
9.3139943031292E+21
n4
1.9596625385795E+29
n5
4.1231260618463E+36
2 √n
4586.9357963678
3 √n
276.06738885184
4 √n
67.726920765437
5 √n
29.148020381588
1 , 2 , 4 , 5 , 10 , 13 , 20 , 26 , 52 , 65 , 130 , 260 , 80923 , 161846 , 323692 , 404615 , 809230 , 1051999 , 1618460 , 2103998 , 4207996 , 5259995 , 10519990 , 21039980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21039979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21039980 can be divided by 24 positive divisors.
The sum of these divisors (counting 21039980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000010000101101101100
3
Ternary
1110120221102112
4
Quaternary
1100100231230
5
Quinary
20341234410
6
Senary
2030543152
8
Octal
120205554
10
Decimal
21039980
12
Duodecimal
7067ab8
16
Hexadecimal
1410b6c
20
Vigesimal
6b9jj0
36
Base36
ciyjw
md5
9282526d61ff44adc0bf13798d47ee6b
sha1
c3f961f959f64489ffc2ba8ce6773e7c66d04118
sha256
922688bc21b7c6b752fbbcbaf84ccb1469a7877838fb0a39d6c53024d0ec4ce2
sha512
024e8801699dce445c0bc994ad9776b605e83b55876a5d512c1263ac8249cae1474b25a4733c11639ed1b5867d38e67c830bc1041ecfc750024f63df0ee61c0b
ripemd-160
9b74d035c5e6f827b6d990788f2e3f914675b555
Diameter
42079960
Circumference
132198093.19935
Area
1.3907226184763E+15
Volume
3.9014368104384E+22
Surface area
5.562890473905E+15
Circumference
132198093.19935
Perimeter
84159920
Area
442680758400400
Diagonal
29755025.068059
Surface area
2656084550402400
Volume
9.3139943031292E+21
Space diagonal
36442314.350233
Perimeter
63119940
Area
1.9168639127065E+14
Altitude
18221157.175117
Surface area
1.9168639127065E+14
Volume
1.0976647552793E+21
Height
9918341.6893529