18442918 (number)

18442918 is an even 8-digits composite number following 18442917 and preceding 18442919. In scientific notation, it is written as 1.8442918 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 8141760 positive integers (up to 18442918) that are relatively prime to 18442918.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-two thousand nine hundred eighteen

Notation

Scientific notation 1.8442918 × 10^7
Engineering notation 1.8442918 × 10^6

Prime Factorization of 18442918

Prime Factorization 2 × 13 × 23 × 30841

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18442918
Product of the distinct prime numbers

The prime factorization of 18442918 is 2 × 13 × 23 × 30841. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18442918)

Multiplication

n×y
n×2 36885836
n×3 55328754
n×4 73771672
n×5 92214590

Division

n÷y
n÷2 9221459
n÷3 6147639.3333333
n÷3 4610729.5
n÷5 3688583.6

Exponentiation

ny
n2 340141224354724
n3 6.2731967091938E+21
n4 1.1569605250553E+29
n5 2.1337728092832E+36

Nth Root

y√n
2√n 4294.5218592994
3√n 264.20632592721
4√n 65.532601499554
5√n 28.390034942998

Divisors of 18442918

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18442917
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18442918 can be divided by 16 positive divisors. The sum of these divisors (counting 18442918) is 1, the average is 0.0625.

Base conversion 18442918

Base System Value
2 Binary 1000110010110101010100110
3 Ternary 1021200222221001
4 Quaternary 1012112222212
5 Quinary 14210133133
6 Senary 1455143514
8 Octal 106265246
10 Decimal 18442918
12 Duodecimal 6214b9a
16 Hexadecimal 1196aa6
20 Vigesimal 5f575i
36 Base36 azana

Cryptographic Hash Functions

md5 43713cde77c2ac593b0ff543623f433c
sha1 eba67394ee619abde6decb76837dff6de5f9ace1
sha256 ade5f0b720624dbb37dfa1dee19f2ffacecfdf611cede61d772ef4e2d10a6787
sha512 09be24a392a67ecc08c84a355500efb00fabd55c22ad9a24d9de0a6700e3442c8194c997bb6b0a3fdca3229f75386494840f018ca6472ef3cc1ae244e801a2b0
ripemd-160 b336cb9080d8940989574399e06463361a5a0340

18442918 as geometric shapes

Circle

Radius = n
Diameter 36885836
Circumference 115880271.39912
Area 1.0685851716158E+15

Sphere

Radius = n
Volume 2.6277104928169E+22
Surface area 4.2743406864634E+15
Circumference 115880271.39912

Square

Length = n
Perimeter 73771672
Area 340141224354724
Diagonal 26082224.765335

Cube

Length = n
Surface area 2040847346128344
Volume 6.2731967091938E+21
Space diagonal 31944071.015827

Equilateral Triangle

Length = n
Perimeter 55328754
Area 1.4728547058277E+14
Altitude 15972035.507913

Triangular Pyramid

Length = n
Surface area 1.4728547058277E+14
Volume 7.3930332213134E+20
Height 8694074.9217783