20809718 (number)

20809718 is an even 8-digits composite number following 20809717 and preceding 20809719. In scientific notation, it is written as 2.0809718 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 10404858 positive integers (up to 20809718) that are relatively prime to 20809718.

Interesting facts

Basic properties

Name

Name twenty million eight hundred nine thousand seven hundred eighteen

Notation

Scientific notation 2.0809718 × 10^7
Engineering notation 2.0809718 × 10^6

Prime Factorization of 20809718

Prime Factorization 2 × 10404859

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20809718
Product of the distinct prime numbers

The prime factorization of 20809718 is 2 × 10404859. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20809718)

Multiplication

n×y
n×2 41619436
n×3 62429154
n×4 83238872
n×5 104048590

Division

n÷y
n÷2 10404859
n÷3 6936572.6666667
n÷3 5202429.5
n÷5 4161943.6

Exponentiation

ny
n2 433044363239524
n3 9.0115310805041E+21
n4 1.8752742053352E+29
n5 3.9023927385701E+36

Nth Root

y√n
2√n 4561.766982212
3√n 275.05659661575
4√n 67.540854171472
5√n 29.083939930909

Divisors of 20809718

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20809717
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809718 can be divided by 4 positive divisors. The sum of these divisors (counting 20809718) is 1, the average is 0.25.

Base conversion 20809718

Base System Value
2 Binary 1001111011000011111110110
3 Ternary 1110011020120022
4 Quaternary 1033120133312
5 Quinary 20311402333
6 Senary 2022005142
8 Octal 117303766
10 Decimal 20809718
12 Duodecimal 6b767b2
16 Hexadecimal 13d87f6
20 Vigesimal 6a145i
36 Base36 ce0vq

Cryptographic Hash Functions

md5 73cd3254a50f86ab49f56f551c6f16e6
sha1 2c99855ae1d615b6eb4697795fd516300bf408e6
sha256 453db30271f82b5cbdaee8dd6c147ffd2cd8139623e931d9148d557fe1cba3b5
sha512 30f7b4414cb6e88a4545059da0997a3932c31b82d6bfe9186e68b24cb010f6acfe7eaf228b67b5fc5c58d0d49d067e7ef651dc46cd1330f522191ca370ddeaa2
ripemd-160 271b737d74deef7464bb6ee95687bd4e7fc73588

20809718 as geometric shapes

Circle

Radius = n
Diameter 41619436
Circumference 130751314.38415
Area 1.3604489902318E+15

Sphere

Radius = n
Volume 3.7747413120144E+22
Surface area 5.441795960927E+15
Circumference 130751314.38415

Square

Length = n
Perimeter 83238872
Area 433044363239524
Diagonal 29429385.42476

Cube

Length = n
Surface area 2598266179437144
Volume 9.0115310805041E+21
Space diagonal 36043488.867181

Equilateral Triangle

Length = n
Perimeter 62429154
Area 1.8751370976554E+14
Altitude 18021744.43359

Triangular Pyramid

Length = n
Surface area 1.8751370976554E+14
Volume 1.0620191226496E+21
Height 9809795.1415865