20745984 (number)

20745984 is an even 8-digits composite number following 20745983 and preceding 20745985. In scientific notation, it is written as 2.0745984 × 10^7. The sum of its digits is 39. It has a total of 12 prime factors and 144 positive divisors. There are 5554176 positive integers (up to 20745984) that are relatively prime to 20745984.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0745984 × 10^7
Engineering notation 2.0745984 × 10^6

Prime Factorization of 20745984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 17 × 227

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 162078
Product of the distinct prime numbers

The prime factorization of 20745984 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7 × 17 × 227. Since it has a total of 12 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20745984)

Multiplication

n×y
n×2 41491968
n×3 62237952
n×4 82983936
n×5 103729920

Division

n÷y
n÷2 10372992
n÷3 6915328
n÷3 5186496
n÷5 4149196.8

Exponentiation

ny
n2 430395852128256
n3 8.9289854619192E+21
n4 1.8524058952921E+29
n5 3.8429983065235E+36

Nth Root

y√n
2√n 4554.775954973
3√n 274.77550383484
4√n 67.489080264684
5√n 29.06610296777

Divisors of 20745984

144 divisors

τ Total Divisors 144
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20745983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0069444444444444
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 144
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20745984 can be divided by 144 positive divisors. The sum of these divisors (counting 20745984) is 1, the average is 0.0069444444444444.

Base conversion 20745984

Base System Value
2 Binary 1001111001000111100000000
3 Ternary 1110001000010210
4 Quaternary 1033020330000
5 Quinary 20302332414
6 Senary 2020354120
8 Octal 117107400
10 Decimal 20745984
12 Duodecimal 6b45940
16 Hexadecimal 13c8f00
20 Vigesimal 69d4j4
36 Base36 ccnpc

Cryptographic Hash Functions

md5 d8d01cd4bde6c76560ed236152f50451
sha1 e0a0aa542c379e5fbe5c21675236467507cabd31
sha256 323ba9299f0c1cb4fcdf56a365d4dccba28d476e8f2e1809dd7eff32ea657e0b
sha512 c078fe10b9d7eeb1f5d7c57df291182a52b4801f4d53500aa3b830c12fd1b2236650b417bac8672a14f3318b0e784b29767c83f06df84ffff6b240701488c723
ripemd-160 e01745be6a695d288e300bdd5c5791fed31321f5

20745984 as geometric shapes

Circle

Radius = n
Diameter 41491968
Circumference 130350861.85178
Area 1.3521284471816E+15

Sphere

Radius = n
Volume 3.7401646841567E+22
Surface area 5.4085137887266E+15
Circumference 130350861.85178

Square

Length = n
Perimeter 82983936
Area 430395852128256
Diagonal 29339251.937575

Cube

Length = n
Surface area 2582375112769536
Volume 8.9289854619192E+21
Space diagonal 35933098.341011

Equilateral Triangle

Length = n
Perimeter 62237952
Area 1.8636687081326E+14
Altitude 17966549.170506

Triangular Pyramid

Length = n
Surface area 1.8636687081326E+14
Volume 1.0522910282065E+21
Height 9779750.6458584