20745904 (number)

20745904 is an even 8-digits composite number following 20745903 and preceding 20745905. In scientific notation, it is written as 2.0745904 × 10^7. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 10015040 positive integers (up to 20745904) that are relatively prime to 20745904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0745904 × 10^7
Engineering notation 2.0745904 × 10^6

Prime Factorization of 20745904

Prime Factorization 2 × 2 × 2 × 2 × 29 × 44711

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2593238
Product of the distinct prime numbers

The prime factorization of 20745904 is 2 × 2 × 2 × 2 × 29 × 44711. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20745904)

Multiplication

n×y
n×2 41491808
n×3 62237712
n×4 82983616
n×5 103729520

Division

n÷y
n÷2 10372952
n÷3 6915301.3333333
n÷3 5186476
n÷5 4149180.8

Exponentiation

ny
n2 430392532777216
n3 8.928882167313E+21
n4 1.8523773227039E+29
n5 3.8429242108591E+36

Nth Root

y√n
2√n 4554.7671729738
3√n 274.77515064088
4√n 67.489015202282
5√n 29.066080550981

Divisors of 20745904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20745903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20745904 can be divided by 20 positive divisors. The sum of these divisors (counting 20745904) is 1, the average is 0.05.

Base conversion 20745904

Base System Value
2 Binary 1001111001000111010110000
3 Ternary 1110001000000211
4 Quaternary 1033020322300
5 Quinary 20302332104
6 Senary 2020353504
8 Octal 117107260
10 Decimal 20745904
12 Duodecimal 6b45894
16 Hexadecimal 13c8eb0
20 Vigesimal 69d4f4
36 Base36 ccnn4

Cryptographic Hash Functions

md5 991883d01b8c8d15e0f436e245dfae2d
sha1 90090b84595d69738f9c85ba92f91715aa8062d9
sha256 eaf07abfc910ccd7d3a68982b591ea53cd1a66e278f83f5cfe2d578a4a7750bc
sha512 42efce0d0fe54b5870c91d82b77ee27affe9ed552bcd4416fe60472fc2799bb74c194ea236534130510896d8eb1522e5c6cc6f1e0906a0e6b1ad4019ca27c46b
ripemd-160 d085cb98485ab9d8cd25f957065d568e9009c6a7

20745904 as geometric shapes

Circle

Radius = n
Diameter 41491808
Circumference 130350359.19696
Area 1.3521180191328E+15

Sphere

Radius = n
Volume 3.7401214162132E+22
Surface area 5.4084720765312E+15
Circumference 130350359.19696

Square

Length = n
Perimeter 82983616
Area 430392532777216
Diagonal 29339138.80049

Cube

Length = n
Surface area 2582355196663296
Volume 8.928882167313E+21
Space diagonal 35932959.776946

Equilateral Triangle

Length = n
Perimeter 62237712
Area 1.863654334921E+14
Altitude 17966479.888473

Triangular Pyramid

Length = n
Surface area 1.863654334921E+14
Volume 1.0522788548204E+21
Height 9779712.9334967