20216991 (number)

20216991 is an odd 8-digits composite number following 20216990 and preceding 20216992. In scientific notation, it is written as 2.0216991 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 13043160 positive integers (up to 20216991) that are relatively prime to 20216991.

Interesting facts

Basic properties

Name

Name twenty million two hundred sixteen thousand nine hundred ninety-one

Notation

Scientific notation 2.0216991 × 10^7
Engineering notation 2.0216991 × 10^6

Prime Factorization of 20216991

Prime Factorization 3 × 31 × 217387

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20216991
Product of the distinct prime numbers

The prime factorization of 20216991 is 3 × 31 × 217387. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20216991)

Multiplication

n×y
n×2 40433982
n×3 60650973
n×4 80867964
n×5 101084955

Division

n÷y
n÷2 10108495.5
n÷3 6738997
n÷3 5054247.75
n÷5 4043398.2

Exponentiation

ny
n2 408726725094081
n3 8.2632245226865E+21
n4 1.6705753580613E+29
n5 3.3774006978748E+36

Nth Root

y√n
2√n 4496.3308374718
3√n 272.41990632103
4√n 67.054685425195
5√n 28.916338734049

Divisors of 20216991

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20216990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20216991 can be divided by 8 positive divisors. The sum of these divisors (counting 20216991) is 1, the average is 0.125.

Base conversion 20216991

Base System Value
2 Binary 1001101000111110010011111
3 Ternary 1102001010111110
4 Quaternary 1031013302133
5 Quinary 20133420431
6 Senary 2001153103
8 Octal 115076237
10 Decimal 20216991
12 Duodecimal 692b793
16 Hexadecimal 1347c9f
20 Vigesimal 66729b
36 Base36 c1bj3

Cryptographic Hash Functions

md5 1b9286d892a43e6b31538d24dec4de4a
sha1 7256b6866e55313e5a87ae880ed6791cd0da9ddc
sha256 b25cf0111f497c0be3b4917c848143e3c0d39b2144d4c9cd90b3cb1dc78f5ffb
sha512 ba33f3e2ce3e6b8576446de7d53e4624f0816816c5e4f7b9a25b0213f4be63a8ed8d2f159cffa57e318d3e555b4dd3b142c3efa043200149ad754bb29ce374ed
ripemd-160 9db0885c5aaaed6b5b3bea2dd64147f72afea6a6

20216991 as geometric shapes

Circle

Radius = n
Diameter 40433982
Circumference 127027100.80658
Area 1.2840528768814E+15

Sphere

Radius = n
Volume 3.461291394058E+22
Surface area 5.1362115075255E+15
Circumference 127027100.80658

Square

Length = n
Perimeter 80867964
Area 408726725094081
Diagonal 28591142.862575

Cube

Length = n
Surface area 2452360350564486
Volume 8.2632245226865E+21
Space diagonal 35016855.588163

Equilateral Triangle

Length = n
Perimeter 60650973
Area 1.7698386356855E+14
Altitude 17508427.794081

Triangular Pyramid

Length = n
Surface area 1.7698386356855E+14
Volume 9.7383034907643E+20
Height 9530380.9541916