20081405 (number)

20081405 is an odd 8-digits composite number following 20081404 and preceding 20081406. In scientific notation, it is written as 2.0081405 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 15861456 positive integers (up to 20081405) that are relatively prime to 20081405.

Interesting facts

Basic properties

Name

Name twenty million eighty-one thousand four hundred five

Notation

Scientific notation 2.0081405 × 10^7
Engineering notation 2.0081405 × 10^6

Prime Factorization of 20081405

Prime Factorization 5 × 79 × 50839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20081405
Product of the distinct prime numbers

The prime factorization of 20081405 is 5 × 79 × 50839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20081405)

Multiplication

n×y
n×2 40162810
n×3 60244215
n×4 80325620
n×5 100407025

Division

n÷y
n÷2 10040702.5
n÷3 6693801.6666667
n÷3 5020351.25
n÷5 4016281

Exponentiation

ny
n2 403262826774025
n3 8.098084145894E+21
n4 1.6262090745778E+29
n5 3.2656563041271E+36

Nth Root

y√n
2√n 4481.2280682866
3√n 271.80954173442
4√n 66.94197538381
5√n 28.877448566654

Divisors of 20081405

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 -20081404
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 20081405 can be divided by 8 positive divisors. The sum of these divisors (counting 20081405) is 1, the average is 0.125.

Base conversion 20081405

Base System Value
2 Binary 1001100100110101011111101
3 Ternary 1101210020111202
4 Quaternary 1030212223331
5 Quinary 20120101110
6 Senary 1554225245
8 Octal 114465375
10 Decimal 20081405
12 Duodecimal 6885225
16 Hexadecimal 1326afd
20 Vigesimal 65a3a5
36 Base36 byewt

Cryptographic Hash Functions

md5 da0572b1694538b83f9bab6c6006bda6
sha1 99c4ec40d5f388acb263208c6e0e06d61c1674d0
sha256 5dca3f53ab8889b22e7a65ed2f5276c65d33a200e7a4ed2dfe1e7065822fd58b
sha512 db34673212db5c2e0429e47932aa5d1971a222ac560d48eaed4db00969221f4aae69c85acb01b16c88e2108ccbabd0c68f3fd7de0ff93f9f2f8e1b0f41c62378
ripemd-160 4b36275e747f21fed882c7f4c062e379283723b5

20081405 as geometric shapes

Circle

Radius = n
Diameter 40162810
Circumference 126175188.84352
Area 1.2668875340591E+15

Sphere

Radius = n
Volume 3.3921175547857E+22
Surface area 5.0675501362365E+15
Circumference 126175188.84352

Square

Length = n
Perimeter 80325620
Area 403262826774025
Diagonal 28399395.302507

Cube

Length = n
Surface area 2419576960644150
Volume 8.098084145894E+21
Space diagonal 34782013.747368

Equilateral Triangle

Length = n
Perimeter 60244215
Area 1.7461792619411E+14
Altitude 17391006.873684

Triangular Pyramid

Length = n
Surface area 1.7461792619411E+14
Volume 9.5436836903016E+20
Height 9466465.1008356