20512390 (number)

20512390 is an even 8-digits composite number following 20512389 and preceding 20512391. In scientific notation, it is written as 2.0512390 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors. There are 7940160 positive integers (up to 20512390) that are relatively prime to 20512390.

Interesting facts

Basic properties

Name

Name twenty million five hundred twelve thousand three hundred ninety

Notation

Scientific notation 2.0512390 × 10^7
Engineering notation 2.0512390 × 10^6

Prime Factorization of 20512390

Prime Factorization 2 × 5 × 31 × 66169

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20512390
Product of the distinct prime numbers

The prime factorization of 20512390 is 2 × 5 × 31 × 66169. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 62, 93, 947, 954, 3606, 577, 73350, 66426, 79880, 229060, 5555329, 9523375, 49695149, 70074264, 211597579, 965170196, 1183208579, 3514887313

Basic calculations (n = 20512390)

Multiplication

n×y
n×2 41024780
n×3 61537170
n×4 82049560
n×5 102561950

Division

n÷y
n÷2 10256195
n÷3 6837463.3333333
n÷3 5128097.5
n÷5 4102478

Exponentiation

ny
n2 420758143512100
n3 8.6307551353962E+21
n4 1.7703741533175E+29
n5 3.6314605078768E+36

Nth Root

y√n
2√n 4529.0606090005
3√n 273.7403101871
4√n 67.298295736226
5√n 29.000350912853

Divisors of 20512390

1, 2, 5, 10, 31, 62, 155, 310, 66169, 132338, 330845, 661690, 2051239, 4102478, 10256195, 20512390

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20512389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512390 can be divided by 16 positive divisors. The sum of these divisors (counting 20512390) is 1, the average is 0.0625.

Base conversion 20512390

Base System Value
2 Binary 1001110001111111010000110
3 Ternary 1102121010201011
4 Quaternary 1032033322012
5 Quinary 20222344030
6 Senary 2011352434
8 Octal 116177206
10 Decimal 20512390
12 Duodecimal 6a5271a
16 Hexadecimal 138fe86
20 Vigesimal 6840ja
36 Base36 c7ngm

Cryptographic Hash Functions

md5 678603f141bc20ff650b50b8bcbbb5fb
sha1 9aacf060cfb83989ed05d0035a761417f8db9af8
sha256 0d8e5673909f4ac5f085e0244fd16326ce21950d8bfc1155f6511af838dbb6e6
sha512 08355707931f55ab1cd9313e62167f6e8bc56a1bd3b2daa727c05933656634ed32161a78f7701fda2dc1917048939803b7a9693a11d77805f5685a13f5eef611
ripemd-160 8f4d300496cd918dcacef6f4ef5bafa0249249e3

20512390 as geometric shapes

Circle

Radius = n
Diameter 41024780
Circumference 128883147.46314
Area 1.3218506925957E+15

Sphere

Radius = n
Volume 3.6152422571057E+22
Surface area 5.2874027703828E+15
Circumference 128883147.46314

Square

Length = n
Perimeter 82049560
Area 420758143512100
Diagonal 29008900.134686

Cube

Length = n
Surface area 2524548861072600
Volume 8.6307551353962E+21
Space diagonal 35528501.664668

Equilateral Triangle

Length = n
Perimeter 61537170
Area 1.8219362056533E+14
Altitude 17764250.832334

Triangular Pyramid

Length = n
Surface area 1.8219362056533E+14
Volume 1.0171442471665E+21
Height 9669633.3782288