18442891 (number)

18442891 is an odd 8-digits prime number following 18442890 and preceding 18442892. In scientific notation, it is written as 1.8442891 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 18442890 positive integers (up to 18442891) that are relatively prime to 18442891.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand eight hundred ninety-one

Notation

Scientific notation 1.8442891 × 10^7
Engineering notation 1.8442891 × 10^6

Prime Factorization of 18442891

Prime Factorization 18442891

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 18442891
Product of the distinct prime numbers

The prime factorization of 18442891 is 18442891. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442891)

Multiplication

n×y
n×2 36885782
n×3 55328673
n×4 73771564
n×5 92214455

Division

n÷y
n÷2 9221445.5
n÷3 6147630.3333333
n÷3 4610722.75
n÷5 3688578.2

Exponentiation

ny
n2 340140228437881
n3 6.2731691577949E+21
n4 1.1569537500177E+29
n5 2.1337571903618E+36

Nth Root

y√n
2√n 4294.5187157585
3√n 264.20619699653
4√n 65.532577514992
5√n 28.390026630523

Divisors of 18442891

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 18442892
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 9221446
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4294.518832186
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998915571
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442891 can be divided by 2 positive divisors. The sum of these divisors (counting 18442891) is 18442892, the average is 9221446.

Base conversion 18442891

Base System Value
2 Binary 1000110010110101010001011
3 Ternary 1021200222220001
4 Quaternary 1012112222023
5 Quinary 14210133031
6 Senary 1455143431
8 Octal 106265213
10 Decimal 18442891
12 Duodecimal 6214b77
16 Hexadecimal 1196a8b
20 Vigesimal 5f574b
36 Base36 azamj

Cryptographic Hash Functions

md5 4d47690c1b28c70c039d075fbf1c8814
sha1 c3c818264f512ce8b798d1dfd4a912b6f8c8c0b4
sha256 b7dfbc5fa4b2dea887968b814893f90c015b131dd5f277539c6e2681911b7314
sha512 dcb49ccd9b20caa4b7c25a1f8391f9f4d1a080e13cc87d835f3909c3e88f7ba37829b7d841d87983c6b411ca2a590f698cbfb218352dbbf10a12f0900fee7972
ripemd-160 4b558521c72a5399da2033e7193a542e524d3e6a

18442891 as geometric shapes

Circle

Radius = n
Diameter 36885782
Circumference 115880101.75311
Area 1.0685820428508E+15

Sphere

Radius = n
Volume 2.627698952114E+22
Surface area 4.2743281714032E+15
Circumference 115880101.75311

Square

Length = n
Perimeter 73771564
Area 340140228437881
Diagonal 26082186.581569

Cube

Length = n
Surface area 2040841370627286
Volume 6.2731691577949E+21
Space diagonal 31944024.250455

Equilateral Triangle

Length = n
Perimeter 55328673
Area 1.4728503933812E+14
Altitude 15972012.125227

Triangular Pyramid

Length = n
Surface area 1.4728503933812E+14
Volume 7.3930007516785E+20
Height 8694062.1938562