20688030 is an even 8-digits composite number following 20688029
and preceding 20688031 . In scientific notation, it is written as 2.0688030 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 5015040 positive integers (up to 20688030) that are relatively prime to 20688030.
20688030 has 16 divisors, whose sum is 34607088
The reverse of 20688030 is 03088602
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million six hundred eighty-eight thousand thirty
Scientific notation
2.0688030 × 10^7
Engineering notation
2.0688030 × 10^6
Prime Factorization
2 × 45 × 11 × 20897
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20688030
Product of the distinct prime numbers
The prime factorization of 20688030 is 2 × 45 × 11 × 20897.
Since it has a total of 4 prime factors.
2 , 9 , 41 , 93 , 483 , 94 , 8837 , 8060 , 92778 , 14816 , 866757 , 876820 , 817461 , 9256945 , 29769500 , 17254520 , 848586007 , 4586258 , 5928179854 , 1472168568
n×2
41376060
n×3
62064090
n×4
82752120
n×5
103440150
n÷2
10344015
n÷3
6896010
n÷3
5172007.5
n÷5
4137606
n2
427994585280900
n3
8.8543648201288E+21
n4
1.8317936502977E+29
n5
3.7896201991168E+36
2 √n
4548.4096121612
3 √n
274.51940301001
4 √n
67.441898046846
5 √n
29.049845533538
1 , 2 , 11 , 22 , 45 , 90 , 495 , 990 , 20897 , 41794 , 229867 , 459734 , 940365 , 1880730 , 10344015 , 20688030
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
-20688029
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 20688030 can be divided by 16 positive divisors.
The sum of these divisors (counting 20688030) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111010110010011110
3
Ternary
1102221001122100
4
Quaternary
1032322302132
5
Quinary
20244004110
6
Senary
2015225530
8
Octal
116726236
10
Decimal
20688030
12
Duodecimal
6b182a6
16
Hexadecimal
13bac9e
20
Vigesimal
69601a
36
Base36
cbezi
md5
fe8f880e27195f13caff005dc0f6eb5f
sha1
69c90b2a049e82a1f055477736ac76176cf8cf0b
sha256
4482c006432390e70dd0c71fa1ea088d04246368a4d13afcb7442efa3c451ecb
sha512
41b0682dbdcf205c458260f48335ad85abd7c7a7459a87ae5cb74fec24830f0b4c526ce886234e716fe39264a5bf8a1fe80f982454466f2341467c83b101fd76
ripemd-160
f5cc80fb1141e35e2fc96f60f7f62f55842ddfb4
Diameter
41376060
Circumference
129986726.13049
Area
1.3445846448947E+15
Volume
3.7089076628161E+22
Surface area
5.3783385795787E+15
Circumference
129986726.13049
Perimeter
82752120
Area
427994585280900
Diagonal
29257292.604781
Surface area
2567967511685400
Volume
8.8543648201288E+21
Space diagonal
35832719.068509
Perimeter
62064090
Area
1.8532709176772E+14
Altitude
17916359.534255
Surface area
1.8532709176772E+14
Volume
1.0434969012354E+21
Height
9752430.8682605