20688007 is an odd 8-digits prime number following 20688006
and preceding 20688008 . In scientific notation, it is written as 2.0688007 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 20688006 positive integers (up to 20688007) that are relatively prime to 20688007.
20688007 has 2 divisors, whose sum is 20688008
The reverse of 20688007 is 70088602
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million six hundred eighty-eight thousand seven
Scientific notation
2.0688007 × 10^7
Engineering notation
2.0688007 × 10^6
Prime Factorization
20688007
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20688007
Product of the distinct prime numbers
The prime factorization of 20688007 is 20688007.
Since it has a total of 1 prime factors.
5 , 1 , 92 , 87 , 120 , 198 , 1495 , 299 , 83938 , 68804 , 528721 , 756358 , 561124 , 3103907 , 83417769 , 3539026 , 536277892 , 171634696 , 2258436164 , 4594315813
n×2
41376014
n×3
62064021
n×4
82752028
n×5
103440035
n÷2
10344003.5
n÷3
6896002.3333333
n÷3
5172001.75
n÷5
4137601.4
n2
427993633632049
n3
8.8543352885353E+21
n4
1.8317855042956E+29
n5
3.7895991335367E+36
2 √n
4548.4070838042
3 √n
274.51930127729
4 √n
67.441879302138
5 √n
29.049839074279
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20688008
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10344004
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4548.4071937328
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999033256
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20688007 can be divided by 2 positive divisors.
The sum of these divisors (counting 20688007) is 20688008, the average is 10344004.
Base
System
Value
2
Binary
1001110111010110010000111
3
Ternary
1102221001121111
4
Quaternary
1032322302013
5
Quinary
20244004012
6
Senary
2015225451
8
Octal
116726207
10
Decimal
20688007
12
Duodecimal
6b18287
16
Hexadecimal
13bac87
20
Vigesimal
696007
36
Base36
cbeyv
md5
753171107636743b6b2af26134e5aadc
sha1
075c5460a5a6f64360492547a7f0848351517d3b
sha256
7389e30e09ad1c44c02433edab011f01bafda40bcd909af2a5485da45c374baf
sha512
ebc6889787a0e406bab571c7b06f99ed7dd3459cf90b490fd787349c62a97072e6d7913c2298ccf22a9387ff9f4cd4c18543818dd8e2a006ea90db3a2e01c340
ripemd-160
fc6b87ddbb4da836120feac2a82a294a832fcf9e
Diameter
41376014
Circumference
129986581.61723
Area
1.3445816552016E+15
Volume
3.7088952926511E+22
Surface area
5.3783266208066E+15
Circumference
129986581.61723
Perimeter
82752028
Area
427993633632049
Diagonal
29257260.07787
Surface area
2567961801792294
Volume
8.8543352885353E+21
Space diagonal
35832679.231341
Perimeter
62064021
Area
1.8532667969168E+14
Altitude
17916339.61567
Surface area
1.8532667969168E+14
Volume
1.0434934209038E+21
Height
9752420.0259565