20454981 (number)

20454981 is an odd 8-digits composite number following 20454980 and preceding 20454982. In scientific notation, it is written as 2.0454981 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 12995840 positive integers (up to 20454981) that are relatively prime to 20454981.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-four thousand nine hundred eighty-one

Notation

Scientific notation 2.0454981 × 10^7
Engineering notation 2.0454981 × 10^6

Prime Factorization of 20454981

Prime Factorization 3 × 23 × 569 × 521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20454981
Product of the distinct prime numbers

The prime factorization of 20454981 is 3 × 23 × 569 × 521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20454981)

Multiplication

n×y
n×2 40909962
n×3 61364943
n×4 81819924
n×5 102274905

Division

n÷y
n÷2 10227490.5
n÷3 6818327
n÷3 5113745.25
n÷5 4090996.2

Exponentiation

ny
n2 418406247710361
n3 8.5584918471967E+21
n4 1.7506378812306E+29
n5 3.5809264598453E+36

Nth Root

y√n
2√n 4522.7183197719
3√n 273.48469490247
4√n 67.251158501336
5√n 28.984099777668

Divisors of 20454981

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 -20454980
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 20454981 can be divided by 16 positive divisors. The sum of these divisors (counting 20454981) is 1, the average is 0.0625.

Base conversion 20454981

Base System Value
2 Binary 1001110000001111001000101
3 Ternary 1102111012221220
4 Quaternary 1032001321011
5 Quinary 20214024411
6 Senary 2010230553
8 Octal 116017105
10 Decimal 20454981
12 Duodecimal 6a25459
16 Hexadecimal 1381e45
20 Vigesimal 67gh91
36 Base36 c6f5x

Cryptographic Hash Functions

md5 94a0c3f2e38a90b5df136d36440e8a82
sha1 11b6b24d7dd8858b423ce8d4f576101143bd37ea
sha256 0e846af921ce8afb5abe96c5d16f1bb7cfc66ff3866a995fe203a1342298a128
sha512 03e7969a9ece903df960fd6aad7af284ff3022ee6af2abbdbdd55e9415faca3a23eec84547ee8e86356cd879f1f98944b5950833968e1a68929999bce0db0c3c
ripemd-160 efcbea4309abfa766f6bfe39d98012429ccb5d30

20454981 as geometric shapes

Circle

Radius = n
Diameter 40909962
Circumference 128522436.07784
Area 1.3144619940229E+15

Sphere

Radius = n
Volume 3.5849726817282E+22
Surface area 5.2578479760918E+15
Circumference 128522436.07784

Square

Length = n
Perimeter 81819924
Area 418406247710361
Diagonal 28927711.548284

Cube

Length = n
Surface area 2510437486262166
Volume 8.5584918471967E+21
Space diagonal 35429066.359856

Equilateral Triangle

Length = n
Perimeter 61364943
Area 1.8117521980965E+14
Altitude 17714533.179928

Triangular Pyramid

Length = n
Surface area 1.8117521980965E+14
Volume 1.0086279369804E+21
Height 9642570.5160947