20781201 (number)

20781201 is an odd 8-digits composite number following 20781200 and preceding 20781202. In scientific notation, it is written as 2.0781201 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 11874960 positive integers (up to 20781201) that are relatively prime to 20781201.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-one thousand two hundred one

Notation

Scientific notation 2.0781201 × 10^7
Engineering notation 2.0781201 × 10^6

Prime Factorization of 20781201

Prime Factorization 21 × 989581

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20781201
Product of the distinct prime numbers

The prime factorization of 20781201 is 21 × 989581. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20781201)

Multiplication

n×y
n×2 41562402
n×3 62343603
n×4 83124804
n×5 103906005

Division

n÷y
n÷2 10390600.5
n÷3 6927067
n÷3 5195300.25
n÷5 4156240.2

Exponentiation

ny
n2 431858315002401
n3 8.9745344475862E+21
n4 1.8650160423671E+29
n5 3.8757273244656E+36

Nth Root

y√n
2√n 4558.6402577962
3√n 274.93089613519
4√n 67.517703291775
5√n 29.075964409898

Divisors of 20781201

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 -20781200
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 20781201 can be divided by 4 positive divisors. The sum of these divisors (counting 20781201) is 1, the average is 0.25.

Base conversion 20781201

Base System Value
2 Binary 1001111010001100010010001
3 Ternary 1110002210110010
4 Quaternary 1033101202101
5 Quinary 20304444301
6 Senary 2021225133
8 Octal 117214221
10 Decimal 20781201
12 Duodecimal 6b621a9
16 Hexadecimal 13d1891
20 Vigesimal 69hd01
36 Base36 cdevl

Cryptographic Hash Functions

md5 b6e543300bb019e354c65a1b8e1f37db
sha1 f97871a90e9e0eab15de6f60dc0539453c2180d0
sha256 2e9644c6769e95acf91fcf2d5205bddb20da69749d51a4804d21967bee1de5c7
sha512 576e5065dfba6d19ae92be11de09806cdecda650f384e2fdffdf93750ebfa74352fe904d22fca42249e361a85aaf1bce77a62e2bc6902d81c5db8d9be1f43e34
ripemd-160 b8b5a8525b3737e82540d18550f6fcd977b26ac6

20781201 as geometric shapes

Circle

Radius = n
Diameter 41562402
Circumference 130572136.78875
Area 1.3567229098032E+15

Sphere

Radius = n
Volume 3.7592441986567E+22
Surface area 5.4268916392128E+15
Circumference 130572136.78875

Square

Length = n
Perimeter 83124804
Area 431858315002401
Diagonal 29389056.296601

Cube

Length = n
Surface area 2591149890014406
Volume 8.9745344475862E+21
Space diagonal 35994095.974301

Equilateral Triangle

Length = n
Perimeter 62343603
Area 1.8700013581381E+14
Altitude 17997047.987151

Triangular Pyramid

Length = n
Surface area 1.8700013581381E+14
Volume 1.0576590276467E+21
Height 9796352.0988671