201820981 (number)

201820981 is an odd 9-digits composite number following 201820980 and preceding 201820982. In scientific notation, it is written as 2.01820981 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 199861452 positive integers (up to 201820981) that are relatively prime to 201820981.

Interesting facts

Basic properties

Name

Name two hundred one million eight hundred twenty thousand nine hundred eighty-one

Notation

Scientific notation 2.01820981 × 10^8
Engineering notation 2.01820981 × 10^6

Prime Factorization of 201820981

Prime Factorization 103 × 1959427

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 201820981
Product of the distinct prime numbers

The prime factorization of 201820981 is 103 × 1959427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 201820981)

Multiplication

n×y
n×2 403641962
n×3 605462943
n×4 807283924
n×5 1009104905

Division

n÷y
n÷2 100910490.5
n÷3 67273660.333333
n÷3 50455245.25
n÷5 40364196.2

Exponentiation

ny
n2 40731708371802361
n3 8.2205133414031E+24
n4 1.6590720668856E+33
n5 3.3483555208854E+41

Nth Root

y√n
2√n 14206.371141146
3√n 586.57304832911
4√n 119.19048259465
5√n 45.813477938004

Divisors of 201820981

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 -201820980
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 201820981 can be divided by 4 positive divisors. The sum of these divisors (counting 201820981) is 1, the average is 0.25.

Base conversion 201820981

Base System Value
2 Binary 1100000001111000101100110101
3 Ternary 112001202120100011
4 Quaternary 30001320230311
5 Quinary 403131232411
6 Senary 32005420221
8 Octal 1401705465
10 Decimal 201820981
12 Duodecimal 5770a671
16 Hexadecimal c078b35
20 Vigesimal 3317c91
36 Base36 3c5q2d

Cryptographic Hash Functions

md5 a46eb4f0cefd9343af30c9a5bc1d4716
sha1 39d90ba611473b2aea3587f4e730b0f406c4a738
sha256 595b4527687806cab279f371a5bd3537e24415a7bc80c85aeb59d751229ddf08
sha512 076b8960ef8219af3e027652a8e985bebb3d7c81c70e5777a3c6d644123f9bfae5e96de02b95d6f4b1735f345f42f9554197f3d7c7ee59e17c10f5867ae7246e
ripemd-160 17f4d6e79b0a262aa3a7baa873f9b16933bc2f32

201820981 as geometric shapes

Circle

Radius = n
Diameter 403641962
Circumference 1268078622.4998
Area 1.2796243578902E+17

Sphere

Radius = n
Volume 3.4434005762785E+25
Surface area 5.1184974315606E+17
Circumference 1268078622.4998

Square

Length = n
Perimeter 807283924
Area 40731708371802361
Diagonal 285417968.50164

Cube

Length = n
Surface area 244390250230814166
Volume 8.2205133414031E+24
Space diagonal 349564193.12539

Equilateral Triangle

Length = n
Perimeter 605462943
Area 1.763734709476E+16
Altitude 174782096.5627

Triangular Pyramid

Length = n
Surface area 1.763734709476E+16
Volume 9.687967880901E+23
Height 95139322.833881