20208907 is an odd 8-digits prime number following 20208906
and preceding 20208908 . In scientific notation, it is written as 2.0208907 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20208906 positive integers (up to 20208907) that are relatively prime to 20208907.
20208907 has 2 divisors, whose sum is 20208908
The reverse of 20208907 is 70980202
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million two hundred eight thousand nine hundred seven
Scientific notation
2.0208907 × 10^7
Engineering notation
2.0208907 × 10^6
Prime Factorization
20208907
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20208907
Product of the distinct prime numbers
The prime factorization of 20208907 is 20208907.
Since it has a total of 1 prime factors.
6 , 3 , 62 , 96 , 529 , 134 , 3117 , 864 , 69882 , 80186 , 687380 , 198261 , 5081975 , 6039763 , 91318109 , 13718394 , 679911900 , 421628738 , 512515327 , 9605262674
n×2
40417814
n×3
60626721
n×4
80835628
n×5
101044535
n÷2
10104453.5
n÷3
6736302.3333333
n÷3
5052226.75
n÷5
4041781.4
n2
408399922134649
n3
8.2533160452264E+21
n4
1.6679049639959E+29
n5
3.3706536302231E+36
2 √n
4495.4317923866
3 √n
272.38359138642
4 √n
67.047981270032
5 √n
28.914025856926
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20208908
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10104454
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4495.4319036106
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999010337
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20208907 can be divided by 2 positive divisors.
The sum of these divisors (counting 20208907) is 20208908, the average is 10104454.
Base
System
Value
2
Binary
1001101000101110100001011
3
Ternary
1102000201102001
4
Quaternary
1031011310023
5
Quinary
20133141112
6
Senary
2001051431
8
Octal
115056413
10
Decimal
20208907
12
Duodecimal
6926b77
16
Hexadecimal
1345d0b
20
Vigesimal
666257
36
Base36
c15aj
md5
09ddbe1cdfc88d7b24c944416c25c080
sha1
22f5bc35f934c0f3446d32c96f588c99357ee7d7
sha256
7476c41ce201f3c84d0335e48ece44282e65ec176ee6144336c35d08f15f04a4
sha512
eace049c6d2af87a97d596cb8f967578571c33395be2243751f12b462ee9e02fdff561c29deb5c94826499d5ff4bc12f10ceb28fb12a3d955be38e327993a326
ripemd-160
82757e265e575af155c063baae5e36ef224c0c66
Diameter
40417814
Circumference
126976307.53656
Area
1.2830261951049E+15
Volume
3.4571409407251E+22
Surface area
5.1321047804194E+15
Circumference
126976307.53656
Perimeter
80835628
Area
408399922134649
Diagonal
28579710.360137
Surface area
2450399532807894
Volume
8.2533160452264E+21
Space diagonal
35002853.689434
Perimeter
60626721
Area
1.768423537361E+14
Altitude
17501426.844717
Surface area
1.768423537361E+14
Volume
9.7266262380922E+20
Height
9526570.1200455