20182991 (number)

20182991 is an odd 8-digits composite number following 20182990 and preceding 20182992. In scientific notation, it is written as 2.0182991 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20172072 positive integers (up to 20182991) that are relatively prime to 20182991.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0182991 × 10^7
Engineering notation 2.0182991 × 10^6

Prime Factorization of 20182991

Prime Factorization 8563 × 2357

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20182991
Product of the distinct prime numbers

The prime factorization of 20182991 is 8563 × 2357. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20182991)

Multiplication

n×y
n×2 40365982
n×3 60548973
n×4 80731964
n×5 100914955

Division

n÷y
n÷2 10091495.5
n÷3 6727663.6666667
n÷3 5045747.75
n÷5 4036598.2

Exponentiation

ny
n2 407353125706081
n3 8.2216044699477E+21
n4 1.6593656902251E+29
n5 3.3490962791523E+36

Nth Root

y√n
2√n 4492.5483859387
3√n 272.26710623387
4√n 67.026475261188
5√n 28.906606152625

Divisors of 20182991

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 -20182990
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 20182991 can be divided by 4 positive divisors. The sum of these divisors (counting 20182991) is 1, the average is 0.25.

Base conversion 20182991

Base System Value
2 Binary 1001100111111011111001111
3 Ternary 1101222101212012
4 Quaternary 1030333133033
5 Quinary 20131323431
6 Senary 2000331435
8 Octal 114773717
10 Decimal 20182991
12 Duodecimal 6913b7b
16 Hexadecimal 133f7cf
20 Vigesimal 662h9b
36 Base36 c0lan

Cryptographic Hash Functions

md5 b085b73f457c10d8f88070bb6577a5b5
sha1 1d8bc505971b8532c0992487bc1d82ddfbee8c1e
sha256 54dbcfcfef90a518435470f0cb9de88e7849bd11862e9b759eda43c64aedc1df
sha512 964287c933e3254a73584069ab68e04c752f6aaf669fe2685e7c13c07eda83468f9f46680d997328bed545af49b400204bd451d916d95558746272a9218f7727
ripemd-160 7ae7b70f84907037c9551c52f214bd54e57deaef

20182991 as geometric shapes

Circle

Radius = n
Diameter 40365982
Circumference 126813472.50614
Area 1.2797375871351E+15

Sphere

Radius = n
Volume 3.4438576271345E+22
Surface area 5.1189503485403E+15
Circumference 126813472.50614

Square

Length = n
Perimeter 80731964
Area 407353125706081
Diagonal 28543059.601454

Cube

Length = n
Surface area 2444118754236486
Volume 8.2216044699477E+21
Space diagonal 34957965.860705

Equilateral Triangle

Length = n
Perimeter 60548973
Area 1.7638907758623E+14
Altitude 17478982.930353

Triangular Pyramid

Length = n
Surface area 1.7638907758623E+14
Volume 9.6892537882228E+20
Height 9514353.2004847