20409989 is an odd 8-digits prime number following 20409988
and preceding 20409990 . In scientific notation, it is written as 2.0409989 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 20409988 positive integers (up to 20409989) that are relatively prime to 20409989.
20409989 has 2 divisors, whose sum is 20409990
The reverse of 20409989 is 98990402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million four hundred nine thousand nine hundred eighty-nine
Scientific notation
2.0409989 × 10^7
Engineering notation
2.0409989 × 10^6
Prime Factorization
20409989
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20409989
Product of the distinct prime numbers
The prime factorization of 20409989 is 20409989.
Since it has a total of 1 prime factors.
2 , 6 , 14 , 25 , 843 , 934 , 4037 , 606 , 51758 , 20272 , 680433 , 114557 , 5158684 , 7956328 , 78425757 , 56933438 , 607694668 , 272461091 , 7012249571 , 82378092
n×2
40819978
n×3
61229967
n×4
81639956
n×5
102049945
n÷2
10204994.5
n÷3
6803329.6666667
n÷3
5102497.25
n÷5
4081997.8
n2
416567650980121
n3
8.5021411742601E+21
n4
1.735286078431E+29
n5
3.5417169772629E+36
2 √n
4517.7415818083
3 √n
273.28403218813
4 √n
67.214147185011
5 √n
28.971338079462
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20409990
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10204995
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4517.7416924831
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999020088
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20409989 can be divided by 2 positive divisors.
The sum of these divisors (counting 20409989) is 20409990, the average is 10204995.
Base
System
Value
2
Binary
1001101110110111010000101
3
Ternary
1102101221020112
4
Quaternary
1031312322011
5
Quinary
20211104424
6
Senary
2005242405
8
Octal
115667205
10
Decimal
20409989
12
Duodecimal
6a03405
16
Hexadecimal
1376e85
20
Vigesimal
67b4j9
36
Base36
c5gg5
md5
02a371531291ae7d3d76c6d1d13ca4fc
sha1
7ed18251478c3ccb36fc324bc1fa212585875fa0
sha256
23846ff29b47950e7831d376034d41555a36b151682fbe7baab38792e7e8318f
sha512
97b9f8da4dd9863da8b0f379a1d58829c7812b8903364c36f02dc74b195780db0e77574419f2c0ff2fc01198261cea93a4ee7005f3b0887ead0415503720d178
ripemd-160
719facfcbee01bd9055bb51416df5ee3ca827acf
Diameter
40819978
Circumference
128239743.0045
Area
1.3086858720423E+15
Volume
3.5613685670452E+22
Surface area
5.2347434881692E+15
Circumference
128239743.0045
Perimeter
81639956
Area
416567650980121
Diagonal
28864083.251686
Surface area
2499405905880726
Volume
8.5021411742601E+21
Space diagonal
35351137.929922
Perimeter
61229967
Area
1.803790840718E+14
Altitude
17675568.964961
Surface area
1.803790840718E+14
Volume
1.0019869464874E+21
Height
9621361.0838952