21138080 is an even 8-digits composite number following 21138079
and preceding 21138081 . In scientific notation, it is written as 2.1138080 × 10^7.
The sum of its digits is 23. It has a total of 7 prime factors and 24 positive divisors.
There are 8455168 positive integers (up to 21138080) that are relatively prime to 21138080.
21138080 has 24 divisors, whose sum is 49939092
The reverse of 21138080 is 08083112
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million one hundred thirty-eight thousand eighty
Scientific notation
2.1138080 × 10^7
Engineering notation
2.1138080 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 5 × 132113
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1321130
Product of the distinct prime numbers
The prime factorization of 21138080 is 2 × 2 × 2 × 2 × 2 × 5 × 132113.
Since it has a total of 7 prime factors.
4 , 7 , 47 , 9 , 904 , 680 , 9839 , 537 , 85600 , 60306 , 699956 , 526115 , 3806389 , 4116310 , 85572792 , 94771325 , 867930859 , 933405356 , 6553747405 , 36297906
n×2
42276160
n×3
63414240
n×4
84552320
n×5
105690400
n÷2
10569040
n÷3
7046026.6666667
n÷3
5284520
n÷5
4227616
n2
446818426086400
n3
9.4448836360884E+21
n4
1.9964670589033E+29
n5
4.2201480408462E+36
2 √n
4597.6167739384
3 √n
276.49578325142
4 √n
67.805728179398
5 √n
29.17515066204
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 32 , 40 , 80 , 160 , 132113 , 264226 , 528452 , 660565 , 1056904 , 1321130 , 2113808 , 2642260 , 4227616 , 5284520 , 10569040 , 21138080
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
-21138079
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 21138080 can be divided by 24 positive divisors.
The sum of these divisors (counting 21138080) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000101000101010100000
3
Ternary
1110202220222212
4
Quaternary
1100220222200
5
Quinary
20402404310
6
Senary
2033021252
8
Octal
120505240
10
Decimal
21138080
12
Duodecimal
70b4828
16
Hexadecimal
1428aa0
20
Vigesimal
6c2540
36
Base36
cl28w
md5
80ece105e88fc6a1fb4a9f9248f842c0
sha1
6635549e3801d635c99a893970fa8585bf4c93ea
sha256
b0785c5077d79164e6ab58e42122e5607a7afb5e9caf48a0153776a00fae1632
sha512
99612f479b8ad88be827500364e2002bed8874239493c453aa7985722f43f71638c79f15bdf93365187e251fcac17012e01b1e10f58603ac9b99b79910f35520
ripemd-160
a6957a8ccdd4819e41fe392db825816eb5c54edc
Diameter
42276160
Circumference
132814473.67799
Area
1.4037214848816E+15
Volume
3.9562636060194E+22
Surface area
5.6148859395264E+15
Circumference
132814473.67799
Perimeter
84552320
Area
446818426086400
Diagonal
29893759.418527
Surface area
2680910556518400
Volume
9.4448836360884E+21
Space diagonal
36612228.534456
Perimeter
63414240
Area
1.934780539349E+14
Altitude
18306114.267228
Surface area
1.934780539349E+14
Volume
1.1130902110993E+21
Height
9964586.4728425