20994645 (number)

20994645 is an odd 8-digits composite number following 20994644 and preceding 20994646. In scientific notation, it is written as 2.0994645 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 9472320 positive integers (up to 20994645) that are relatively prime to 20994645.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-four thousand six hundred forty-five

Notation

Scientific notation 2.0994645 × 10^7
Engineering notation 2.0994645 × 10^6

Prime Factorization of 20994645

Prime Factorization 5 × 237 × 7 × 2531

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20994645
Product of the distinct prime numbers

The prime factorization of 20994645 is 5 × 237 × 7 × 2531. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20994645)

Multiplication

n×y
n×2 41989290
n×3 62983935
n×4 83978580
n×5 104973225

Division

n÷y
n÷2 10497322.5
n÷3 6998215
n÷3 5248661.25
n÷5 4198929

Exponentiation

ny
n2 440775118676025
n3 9.253917141436E+21
n4 1.9428270524386E+29
n5 4.0788964262346E+36

Nth Root

y√n
2√n 4581.9913793022
3√n 275.86896478901
4√n 67.690408325717
5√n 29.135448450505

Divisors of 20994645

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 -20994644
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 20994645 can be divided by 16 positive divisors. The sum of these divisors (counting 20994645) is 1, the average is 0.0625.

Base conversion 20994645

Base System Value
2 Binary 1010000000101101001010101
3 Ternary 1110111122020110
4 Quaternary 1100011221111
5 Quinary 20333312040
6 Senary 2025553233
8 Octal 120055125
10 Decimal 20994645
12 Duodecimal 7045819
16 Hexadecimal 1405a55
20 Vigesimal 6b46c5
36 Base36 chzkl

Cryptographic Hash Functions

md5 c6b1fb614db92399dd48f380a06954d5
sha1 7c0bb36cbb5ec594a91d3f2147b1382a87e7632d
sha256 487ccf166a0a07f8f4ad3ac56d1852dff956e4533cc516f81307abe15ae5b910
sha512 42ab771a9fa4595c1d085891e089df8d32a3a60f775b0bb6009546a7df33075f5c3dcb86e003fd01e75df7dbb25b6e86b4694f7bfc28e68e78dbdc234ed5a15b
ripemd-160 2fcdd29ce250441fe43c3b35940ccad1b2535ec7

20994645 as geometric shapes

Circle

Radius = n
Diameter 41989290
Circumference 131913244.99345
Area 1.3847358747178E+15

Sphere

Radius = n
Volume 3.8762717477952E+22
Surface area 5.5389434988711E+15
Circumference 131913244.99345

Square

Length = n
Perimeter 83978580
Area 440775118676025
Diagonal 29690911.696208

Cube

Length = n
Surface area 2644650712056150
Volume 9.253917141436E+21
Space diagonal 36363791.826872

Equilateral Triangle

Length = n
Perimeter 62983935
Area 1.9086122506477E+14
Altitude 18181895.913436

Triangular Pyramid

Length = n
Surface area 1.9086122506477E+14
Volume 1.0905845938746E+21
Height 9896970.5654028