20744981 (number)

20744981 is an odd 8-digits composite number following 20744980 and preceding 20744982. In scientific notation, it is written as 2.0744981 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 19468288 positive integers (up to 20744981) that are relatively prime to 20744981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0744981 × 10^7
Engineering notation 2.0744981 × 10^6

Prime Factorization of 20744981

Prime Factorization 17 × 389 × 3137

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20744981
Product of the distinct prime numbers

The prime factorization of 20744981 is 17 × 389 × 3137. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20744981)

Multiplication

n×y
n×2 41489962
n×3 62234943
n×4 82979924
n×5 103724905

Division

n÷y
n÷2 10372490.5
n÷3 6914993.6666667
n÷3 5186245.25
n÷5 4148996.2

Exponentiation

ny
n2 430354236690361
n3 8.927690463411E+21
n4 1.8520476903734E+29
n5 3.8420694147891E+36

Nth Root

y√n
2√n 4554.665849434
3√n 274.77107559992
4√n 67.488264531205
5√n 29.065821912265

Divisors of 20744981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20744980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20744981 can be divided by 8 positive divisors. The sum of these divisors (counting 20744981) is 1, the average is 0.125.

Base conversion 20744981

Base System Value
2 Binary 1001111001000101100010101
3 Ternary 1110000221202122
4 Quaternary 1033020230111
5 Quinary 20302314411
6 Senary 2020345325
8 Octal 117105425
10 Decimal 20744981
12 Duodecimal 6b45245
16 Hexadecimal 13c8b15
20 Vigesimal 69d291
36 Base36 ccmxh

Cryptographic Hash Functions

md5 665bc78afad31e2349232a9088dab5e4
sha1 e1cc7c7c0e36346ac805c4badff45307c3e27022
sha256 09f8597c532c09178852f17f39817191a60ac457de0678b006d0e3ace7bcccef
sha512 40244fc2de111653b12282542f2b7d1994b36d489adf52b55b75a34af61011c67caf1286b3c9b813ae9dc977ab9d9ae78a5f98f316a92f11ff9787def66c481b
ripemd-160 2b03a6eca16be46b5324dac3aa8dd8b6931f518f

20744981 as geometric shapes

Circle

Radius = n
Diameter 41489962
Circumference 130344559.81692
Area 1.3519977084277E+15

Sphere

Radius = n
Volume 3.7396222364501E+22
Surface area 5.4079908337107E+15
Circumference 130344559.81692

Square

Length = n
Perimeter 82979924
Area 430354236690361
Diagonal 29337833.481372

Cube

Length = n
Surface area 2582125420142166
Volume 8.927690463411E+21
Space diagonal 35931361.094051

Equilateral Triangle

Length = n
Perimeter 62234943
Area 1.8634885080006E+14
Altitude 17965680.547026

Triangular Pyramid

Length = n
Surface area 1.8634885080006E+14
Volume 1.0521384111687E+21
Height 9779277.8271241