20081445 (number)

20081445 is an odd 8-digits composite number following 20081444 and preceding 20081446. In scientific notation, it is written as 2.0081445 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 10684224 positive integers (up to 20081445) that are relatively prime to 20081445.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand four hundred forty-five

Notation

Scientific notation 2.0081445 × 10^7
Engineering notation 2.0081445 × 10^6

Prime Factorization of 20081445

Prime Factorization 15 × 487 × 2749

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081445
Product of the distinct prime numbers

The prime factorization of 20081445 is 15 × 487 × 2749. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081445)

Multiplication

n×y
n×2 40162890
n×3 60244335
n×4 80325780
n×5 100407225

Division

n÷y
n÷2 10040722.5
n÷3 6693815
n÷3 5020361.25
n÷5 4016289

Exponentiation

ny
n2 403264433288025
n3 8.0981325375296E+21
n4 1.6262220315511E+29
n5 3.2656888284382E+36

Nth Root

y√n
2√n 4481.2325313467
3√n 271.8097222061
4√n 66.94200871909
5√n 28.8774600708

Divisors of 20081445

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 -20081444
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 20081445 can be divided by 8 positive divisors. The sum of these divisors (counting 20081445) is 1, the average is 0.125.

Base conversion 20081445

Base System Value
2 Binary 1001100100110101100100101
3 Ternary 1101210020120020
4 Quaternary 1030212230211
5 Quinary 20120101240
6 Senary 1554225353
8 Octal 114465445
10 Decimal 20081445
12 Duodecimal 6885259
16 Hexadecimal 1326b25
20 Vigesimal 65a3c5
36 Base36 byexx

Cryptographic Hash Functions

md5 887d8abd54c087c5ea3adc452c7380b1
sha1 939a9810422d2307c40b22e4adc29662a1901b0a
sha256 7b3f99bc13d2e566f916af32913fc48449b051404fda5ed972da8393d2ce57f2
sha512 bc47efc48985cc3597e9cd63d91386db0aafd02bee830d75714514e0c14ae685481f23b6a3b271e652cf772e137ac43e06de018b1070582f756ea4be7d4db2e5
ripemd-160 2b9e3bf8867e6d1291de8b027b16baef547ba4e7

20081445 as geometric shapes

Circle

Radius = n
Diameter 40162890
Circumference 126175440.17093
Area 1.2668925810717E+15

Sphere

Radius = n
Volume 3.3921378250266E+22
Surface area 5.0675703242868E+15
Circumference 126175440.17093

Square

Length = n
Perimeter 80325780
Area 403264433288025
Diagonal 28399451.871049

Cube

Length = n
Surface area 2419586599728150
Volume 8.0981325375296E+21
Space diagonal 34782083.0294

Equilateral Triangle

Length = n
Perimeter 60244335
Area 1.7461862183508E+14
Altitude 17391041.5147

Triangular Pyramid

Length = n
Surface area 1.7461862183508E+14
Volume 9.5437407203911E+20
Height 9466483.9570165