20407639 is an odd 8-digits composite number following 20407638
and preceding 20407640 . In scientific notation, it is written as 2.0407639 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 17418240 positive integers (up to 20407639) that are relatively prime to 20407639.
20407639 has 8 divisors, whose sum is 23421728
The reverse of 20407639 is 93670402
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred seven thousand six hundred thirty-nine
Scientific notation
2.0407639 × 10^7
Engineering notation
2.0407639 × 10^6
Prime Factorization
241 × 7 × 12097
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20407639
Product of the distinct prime numbers
The prime factorization of 20407639 is 241 × 7 × 12097.
Since it has a total of 3 prime factors.
7 , 5 , 67 , 86 , 652 , 70 , 6073 , 3254 , 34744 , 24300 , 755609 , 213703 , 9079289 , 9969737 , 95151392 , 96966757 , 126614992 , 450409127 , 2471877850 , 4396404613
n×2
40815278
n×3
61222917
n×4
81630556
n×5
102038195
n÷2
10203819.5
n÷3
6802546.3333333
n÷3
5101909.75
n÷5
4081527.8
n2
416471729554321
n3
8.4992047104502E+21
n4
1.7344870151797E+29
n5
3.5396784855974E+36
2 √n
4517.4814886173
3 √n
273.27354317177
4 √n
67.212212347291
5 √n
28.970670898502
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20407638
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20407639 can be divided by 8 positive divisors.
The sum of these divisors (counting 20407639) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110110010101010111
3
Ternary
1102101211000111
4
Quaternary
1031312111113
5
Quinary
20211021024
6
Senary
2005223451
8
Octal
115662527
10
Decimal
20407639
12
Duodecimal
6a01b87
16
Hexadecimal
1376557
20
Vigesimal
67aj1j
36
Base36
c5emv
md5
127c1514a11db488713e7c22bfd4d88e
sha1
a212d9b88d4a906868c24b9dc3a88a0c82b2b7bd
sha256
0fb022d8442f1fe720917ee6f3b8b06ec6f3d278eb60ddb180f7e03f33e2b40b
sha512
4ef94f90217b561b20399c9d2b005340fece61f0f8ed0c129cf00fdb0424eb67fbcc55fa383b8be4e34c1e630bc7a5157b51be27355e2a30f83a20a4b74d6fad
ripemd-160
2eaced46b42fa0618f29f8b2f3ff866c81ee85c9
Diameter
40815278
Circumference
128224977.51903
Area
1.3083845259957E+15
Volume
3.5601385439608E+22
Surface area
5.2335381039828E+15
Circumference
128224977.51903
Perimeter
81630556
Area
416471729554321
Diagonal
28860759.849814
Surface area
2498830377325926
Volume
8.4992047104502E+21
Space diagonal
35347067.610524
Perimeter
61222917
Area
1.8033754887604E+14
Altitude
17673533.805262
Surface area
1.8033754887604E+14
Volume
1.0016408809087E+21
Height
9620253.2832714