20278081 (number)

20278081 is an odd 8-digits composite number following 20278080 and preceding 20278082. In scientific notation, it is written as 2.0278081 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20257200 positive integers (up to 20278081) that are relatively prime to 20278081.

Interesting facts

Basic properties

Name

Name twenty million two hundred seventy-eight thousand eighty-one

Notation

Scientific notation 2.0278081 × 10^7
Engineering notation 2.0278081 × 10^6

Prime Factorization of 20278081

Prime Factorization 19861 × 1021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20278081
Product of the distinct prime numbers

The prime factorization of 20278081 is 19861 × 1021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20278081)

Multiplication

n×y
n×2 40556162
n×3 60834243
n×4 81112324
n×5 101390405

Division

n÷y
n÷2 10139040.5
n÷3 6759360.3333333
n÷3 5069520.25
n÷5 4055616.2

Exponentiation

ny
n2 411200569042561
n3 8.3383584462911E+21
n4 1.6908590798093E+29
n5 3.4287377379958E+36

Nth Root

y√n
2√n 4503.1190301834
3√n 272.69402224598
4√n 67.105283176389
5√n 28.933793041199

Divisors of 20278081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20278080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20278081 can be divided by 4 positive divisors. The sum of these divisors (counting 20278081) is 1, the average is 0.25.

Base conversion 20278081

Base System Value
2 Binary 1001101010110101101000001
3 Ternary 1102011020022001
4 Quaternary 1031112231001
5 Quinary 20142344311
6 Senary 2002344001
8 Octal 115265501
10 Decimal 20278081
12 Duodecimal 695b001
16 Hexadecimal 1356b41
20 Vigesimal 66ef41
36 Base36 c2mo1

Cryptographic Hash Functions

md5 18d8e848bb26f5dd8f11d5aa9936b6cb
sha1 81df1322957d214b514f148921d4f60a39450093
sha256 d6c9550f6e9331355a142afb9ec837ed4fbf0dec495dcb540c6c9ed73639b523
sha512 28695524c42462bb082a94647ec327b00a959ee5a41275c70690a446af4c600eafd0d6e25cb133cccec47bd69dae73147b2e997aea4b4c46997304a36e35c5b9
ripemd-160 4832df152379848a3b41038c240061ab70e415cd

20278081 as geometric shapes

Circle

Radius = n
Diameter 40556162
Circumference 127410940.597
Area 1.2918246868561E+15

Sphere

Radius = n
Volume 3.4927634183822E+22
Surface area 5.1672987474242E+15
Circumference 127410940.597

Square

Length = n
Perimeter 81112324
Area 411200569042561
Diagonal 28677537.1691

Cube

Length = n
Surface area 2467203414255366
Volume 8.3383584462911E+21
Space diagonal 35122666.571997

Equilateral Triangle

Length = n
Perimeter 60834243
Area 1.7805506942074E+14
Altitude 17561333.285999

Triangular Pyramid

Length = n
Surface area 1.7805506942074E+14
Volume 9.8268496688943E+20
Height 9559179.0563667