20784955 (number)

20784955 is an odd 8-digits composite number following 20784954 and preceding 20784956. In scientific notation, it is written as 2.0784955 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 15628032 positive integers (up to 20784955) that are relatively prime to 20784955.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-four thousand nine hundred fifty-five

Notation

Scientific notation 2.0784955 × 10^7
Engineering notation 2.0784955 × 10^6

Prime Factorization of 20784955

Prime Factorization 5 × 19 × 137 × 1597

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20784955
Product of the distinct prime numbers

The prime factorization of 20784955 is 5 × 19 × 137 × 1597. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20784955)

Multiplication

n×y
n×2 41569910
n×3 62354865
n×4 83139820
n×5 103924775

Division

n÷y
n÷2 10392477.5
n÷3 6928318.3333333
n÷3 5196238.75
n÷5 4156991

Exponentiation

ny
n2 432014354352025
n3 8.9793989145609E+21
n4 1.866364023662E+29
n5 3.8792292245433E+36

Nth Root

y√n
2√n 4559.0519847881
3√n 274.94745001391
4√n 67.52075225283
5√n 29.077014813908

Divisors of 20784955

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20784954
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20784955 can be divided by 16 positive divisors. The sum of these divisors (counting 20784955) is 1, the average is 0.0625.

Base conversion 20784955

Base System Value
2 Binary 1001111010010011100111011
3 Ternary 1110002222121011
4 Quaternary 1033102130323
5 Quinary 20310104310
6 Senary 2021254351
8 Octal 117223473
10 Decimal 20784955
12 Duodecimal 6b643b7
16 Hexadecimal 13d273b
20 Vigesimal 69i27f
36 Base36 cdhrv

Cryptographic Hash Functions

md5 7be3770f2ffa3d618dc88d7b70430d10
sha1 9cac2b791bb571d0e8be3a847bb79ddfaa7982b4
sha256 5cb0345aaa4b1bfcbb18dc28910bb8f55f0e055073a7a7b470a4e5bed96125b6
sha512 df9fb0c1a3e8e1aeec0d8eba455ab4aa53c4b5e6edeeeb0290aec97b1ee1abf2a5e878802c283f6610c1375b7a12b4ba74433c0fe20a86bfc37c7ce3dd9ce34a
ripemd-160 e2ddb582f62d46c3466095285ef0b56bdc77752e

20784955 as geometric shapes

Circle

Radius = n
Diameter 41569910
Circumference 130595723.86639
Area 1.3572131218777E+15

Sphere

Radius = n
Volume 3.7612818218182E+22
Surface area 5.4288524875106E+15
Circumference 130595723.86639

Square

Length = n
Perimeter 83139820
Area 432014354352025
Diagonal 29394365.254314

Cube

Length = n
Surface area 2592086126112150
Volume 8.9793989145609E+21
Space diagonal 36000598.093033

Equilateral Triangle

Length = n
Perimeter 62354865
Area 1.8706770283419E+14
Altitude 18000299.046516

Triangular Pyramid

Length = n
Surface area 1.8706770283419E+14
Volume 1.0582323105775E+21
Height 9798121.7514382