20351491 (number)

20351491 is an odd 8-digits composite number following 20351490 and preceding 20351492. In scientific notation, it is written as 2.0351491 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20017800 positive integers (up to 20351491) that are relatively prime to 20351491.

Interesting facts

Basic properties

Name

Name twenty million three hundred fifty-one thousand four hundred ninety-one

Notation

Scientific notation 2.0351491 × 10^7
Engineering notation 2.0351491 × 10^6

Prime Factorization of 20351491

Prime Factorization 61 × 333631

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20351491
Product of the distinct prime numbers

The prime factorization of 20351491 is 61 × 333631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20351491)

Multiplication

n×y
n×2 40702982
n×3 61054473
n×4 81405964
n×5 101757455

Division

n÷y
n÷2 10175745.5
n÷3 6783830.3333333
n÷3 5087872.75
n÷5 4070298.2

Exponentiation

ny
n2 414183185923081
n3 8.4292453806649E+21
n4 1.7154771150139E+29
n5 3.4912517066912E+36

Nth Root

y√n
2√n 4511.262683551
3√n 273.0226917409
4√n 67.165933951305
5√n 28.954711792592

Divisors of 20351491

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 -20351490
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 20351491 can be divided by 4 positive divisors. The sum of these divisors (counting 20351491) is 1, the average is 0.25.

Base conversion 20351491

Base System Value
2 Binary 1001101101000101000000011
3 Ternary 1102021221222221
4 Quaternary 1031220220003
5 Quinary 20202221431
6 Senary 2004111511
8 Octal 115505003
10 Decimal 20351491
12 Duodecimal 6995597
16 Hexadecimal 1368a03
20 Vigesimal 673ieb
36 Base36 c47b7

Cryptographic Hash Functions

md5 6647481a6be1582104eea9b580ccd008
sha1 0d994064a89c13b319d0e3314410b0fe3a730d95
sha256 45260eee3f502c70d1fdb3584d65ba350274e5eb6537f0d82572bf0f1fcc67d2
sha512 7cc5b6d8fcbc6ed31b98e7d8041581f723212635fc45cc960c44b725aa07c04ffacdf87497b756801c5b035519958d5be0c63c6cbeb0155ef51c19f88d6c02fa
ripemd-160 8e02ce1af4498bfd60224b202ed66fd4bef5b2f6

20351491 as geometric shapes

Circle

Radius = n
Diameter 40702982
Circumference 127872189.2304
Area 1.3011948541364E+15

Sphere

Radius = n
Volume 3.530834048427E+22
Surface area 5.2047794165455E+15
Circumference 127872189.2304

Square

Length = n
Perimeter 81405964
Area 414183185923081
Diagonal 28781354.586714

Cube

Length = n
Surface area 2485099115538486
Volume 8.4292453806649E+21
Space diagonal 35249816.421781

Equilateral Triangle

Length = n
Perimeter 61054473
Area 1.7934658041488E+14
Altitude 17624908.21089

Triangular Pyramid

Length = n
Surface area 1.7934658041488E+14
Volume 9.9339609482559E+20
Height 9593784.862238