20804991 (number)

20804991 is an odd 8-digits composite number following 20804990 and preceding 20804992. In scientific notation, it is written as 2.0804991 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 12440064 positive integers (up to 20804991) that are relatively prime to 20804991.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand nine hundred ninety-one

Notation

Scientific notation 2.0804991 × 10^7
Engineering notation 2.0804991 × 10^6

Prime Factorization of 20804991

Prime Factorization 3 × 53 × 17 × 43 × 179

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20804991
Product of the distinct prime numbers

The prime factorization of 20804991 is 3 × 53 × 17 × 43 × 179. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20804991)

Multiplication

n×y
n×2 41609982
n×3 62414973
n×4 83219964
n×5 104024955

Division

n÷y
n÷2 10402495.5
n÷3 6934997
n÷3 5201247.75
n÷5 4160998.2

Exponentiation

ny
n2 432847650510081
n3 9.0053914732334E+21
n4 1.873570885521E+29
n5 3.8979625411126E+36

Nth Root

y√n
2√n 4561.2488421484
3√n 275.03576835028
4√n 67.537018309579
5√n 29.082618507165

Divisors of 20804991

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804991 can be divided by 32 positive divisors. The sum of these divisors (counting 20804991) is 1, the average is 0.03125.

Base conversion 20804991

Base System Value
2 Binary 1001111010111010101111111
3 Ternary 1110011000002020
4 Quaternary 1033113111333
5 Quinary 20311224431
6 Senary 2021531223
8 Octal 117272577
10 Decimal 20804991
12 Duodecimal 6b73b13
16 Hexadecimal 13d757f
20 Vigesimal 6a0c9b
36 Base36 cdx8f

Cryptographic Hash Functions

md5 6232126eaf2e2678b1611d6d1bbca7cf
sha1 ebd7610bd32d1867553bd16ae319219758d65a51
sha256 0ee9b1499f3f51f00d7e7afa753fff34bdb8e70e64e82727784274c2ce182ea6
sha512 72699718134c6e2c15d7c6525adbce1c6e5ede26c147ac4dc1e169887ad79f908d647b38594d5d96eb797edbfbc9ad4119124bc34486d1b9e24558b580171905
ripemd-160 c6f12dfc54b85a5e4da5cce423c56f06dcf0c615

20804991 as geometric shapes

Circle

Radius = n
Diameter 41609982
Circumference 130721613.7672
Area 1.3598309989661E+15

Sphere

Radius = n
Volume 3.7721695593347E+22
Surface area 5.4393239958643E+15
Circumference 130721613.7672

Square

Length = n
Perimeter 83219964
Area 432847650510081
Diagonal 29422700.43725

Cube

Length = n
Surface area 2597085903060486
Volume 9.0053914732334E+21
Space diagonal 36035301.463013

Equilateral Triangle

Length = n
Perimeter 62414973
Area 1.8742853065507E+14
Altitude 18017650.731507

Triangular Pyramid

Length = n
Surface area 1.8742853065507E+14
Volume 1.0612955629938E+21
Height 9807566.8124167