20112561 (number)

20112561 is an odd 8-digits composite number following 20112560 and preceding 20112562. In scientific notation, it is written as 2.0112561 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 11400480 positive integers (up to 20112561) that are relatively prime to 20112561.

Interesting facts

Basic properties

Name

Name twenty million one hundred twelve thousand five hundred sixty-one

Notation

Scientific notation 2.0112561 × 10^7
Engineering notation 2.0112561 × 10^6

Prime Factorization of 20112561

Prime Factorization 3 × 3 × 7 × 131 × 2437

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 6704187
Product of the distinct prime numbers

The prime factorization of 20112561 is 3 × 3 × 7 × 131 × 2437. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20112561)

Multiplication

n×y
n×2 40225122
n×3 60337683
n×4 80450244
n×5 100562805

Division

n÷y
n÷2 10056280.5
n÷3 6704187
n÷3 5028140.25
n÷5 4022512.2

Exponentiation

ny
n2 404515109978721
n3 8.1358348248687E+21
n4 1.636324742011E+29
n5 3.2910681189505E+36

Nth Root

y√n
2√n 4484.7030001997
3√n 271.95003858164
4√n 66.967925159734
5√n 28.886403596989

Divisors of 20112561

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20112560
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20112561 can be divided by 24 positive divisors. The sum of these divisors (counting 20112561) is 1, the average is 0.041666666666667.

Base conversion 20112561

Base System Value
2 Binary 1001100101110010010110001
3 Ternary 1101211211020200
4 Quaternary 1030232102301
5 Quinary 20122100221
6 Senary 1555025413
8 Octal 114562261
10 Decimal 20112561
12 Duodecimal 689b269
16 Hexadecimal 132e4b1
20 Vigesimal 65e181
36 Base36 bz2y9

Cryptographic Hash Functions

md5 cbc1f078d86bd3dcdfd2097b589dea8b
sha1 a7c036af1f1b9700b1e9dc8a2b4af24976feb176
sha256 d871bc7042ab2fb5e8c0a309a96553667f9c2fc87dce23278ef56fbade945384
sha512 c0430866afcead882ee5b7c7cb6b2dbad7b99dc4ecddbf7afa190506819c5d3d55a260d41125231998aad8c7d2b76275c5bd18adf819f07d4f04b8d39d842066
ripemd-160 5f3b49c0d86d4baa96b2599323e158696781814b

20112561 as geometric shapes

Circle

Radius = n
Diameter 40225122
Circumference 126370947.76495
Area 1.2708216977752E+15

Sphere

Radius = n
Volume 3.407930522217E+22
Surface area 5.0832867911009E+15
Circumference 126370947.76495

Square

Length = n
Perimeter 80450244
Area 404515109978721
Diagonal 28443456.540256

Cube

Length = n
Surface area 2427090659872326
Volume 8.1358348248687E+21
Space diagonal 34835977.522328

Equilateral Triangle

Length = n
Perimeter 60337683
Area 1.7516018072811E+14
Altitude 17417988.761164

Triangular Pyramid

Length = n
Surface area 1.7516018072811E+14
Volume 9.5881732921306E+20
Height 9481152.1800854