20402807 is an odd 8-digits prime number following 20402806
and preceding 20402808 . In scientific notation, it is written as 2.0402807 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20402806 positive integers (up to 20402807) that are relatively prime to 20402807.
20402807 has 2 divisors, whose sum is 20402808
The reverse of 20402807 is 70820402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million four hundred two thousand eight hundred seven
Scientific notation
2.0402807 × 10^7
Engineering notation
2.0402807 × 10^6
Prime Factorization
20402807
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20402807
Product of the distinct prime numbers
The prime factorization of 20402807 is 20402807.
Since it has a total of 1 prime factors.
4 , 7 , 42 , 23 , 130 , 50 , 4519 , 3509 , 80744 , 11187 , 548074 , 570554 , 8263551 , 125069 , 99977703 , 83640995 , 114683466 , 831531962 , 5323500766 , 905347355
n×2
40805614
n×3
61208421
n×4
81611228
n×5
102014035
n÷2
10201403.5
n÷3
6800935.6666667
n÷3
5100701.75
n÷5
4080561.4
n2
416274533479249
n3
8.4931689655922E+21
n4
1.7328448722337E+29
n5
3.5354899489123E+36
2 √n
4516.9466456889
3 √n
273.25197343848
4 √n
67.20823346651
5 √n
28.969298867747
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20402808
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10201404
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4516.9467563831
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999019743
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402807 can be divided by 2 positive divisors.
The sum of these divisors (counting 20402807) is 20402808, the average is 10201404.
Base
System
Value
2
Binary
1001101110101001001110111
3
Ternary
1102101120101112
4
Quaternary
1031311021313
5
Quinary
20210342212
6
Senary
2005145235
8
Octal
115651167
10
Decimal
20402807
12
Duodecimal
69bb21b
16
Hexadecimal
1375277
20
Vigesimal
67a707
36
Base36
c5awn
md5
b50a5e64fdee5be05a03b3a44958dda7
sha1
9b4cffb057c1a70f53f7ce5f74f08061eed083e2
sha256
e36ae7735ab17b764916eaaf0f986adf07bb62492f0dbd89b014dd1a2f32361c
sha512
eef90e159ca045ba61fcc5a55dfa1c9219fe8b59965e933f83fb8dc54aac3ddcb1d7dea0af3b19ef0d5e0834941c4245f31609155ad6750ce6f642d881f540f5
ripemd-160
6db027cacaa23ab65f96692f910f5dc5e5851a40
Diameter
40805614
Circumference
128194617.16762
Area
1.3077650162549E+15
Volume
3.5576102970668E+22
Surface area
5.2310600650197E+15
Circumference
128194617.16762
Perimeter
81611228
Area
416274533479249
Diagonal
28853926.369881
Surface area
2497647200875494
Volume
8.4931689655922E+21
Space diagonal
35338698.341022
Perimeter
61208421
Area
1.8025216047077E+14
Altitude
17669349.170511
Surface area
1.8025216047077E+14
Volume
1.0009295615556E+21
Height
9617975.4566269