18454938 (number)

18454938 is an even 8-digits composite number following 18454937 and preceding 18454939. In scientific notation, it is written as 1.8454938 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6135056 positive integers (up to 18454938) that are relatively prime to 18454938.

Interesting facts

Basic properties

Name

Name eighteen million four hundred fifty-four thousand nine hundred thirty-eight

Notation

Scientific notation 1.8454938 × 10^7
Engineering notation 1.8454938 × 10^6

Prime Factorization of 18454938

Prime Factorization 2 × 3 × 389 × 7907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18454938
Product of the distinct prime numbers

The prime factorization of 18454938 is 2 × 3 × 389 × 7907. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 39, 64, 161, 304, 8787, 4283, 98534, 32497, 128629, 552004, 1957669, 4784902, 75155068, 39276433, 391694565, 391166329, 5617429287, 2017816627

Basic calculations (n = 18454938)

Multiplication

n×y
n×2 36909876
n×3 55364814
n×4 73819752
n×5 92274690

Division

n÷y
n÷2 9227469
n÷3 6151646
n÷3 4613734.5
n÷5 3690987.6

Exponentiation

ny
n2 340584736583844
n3 6.2854701974012E+21
n4 1.1599796279389E+29
n5 2.1407352114875E+36

Nth Root

y√n
2√n 4295.9210886607
3√n 264.26371146608
4√n 65.543276456558
5√n 28.393734566806

Divisors of 18454938

1, 2, 3, 6, 389, 778, 1167, 2334, 7907, 15814, 23721, 47442, 3075823, 6151646, 9227469, 18454938

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 -18454937
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 18454938 can be divided by 16 positive divisors. The sum of these divisors (counting 18454938) is 1, the average is 0.0625.

Base conversion 18454938

Base System Value
2 Binary 1000110011001100110011010
3 Ternary 1021201121102020
4 Quaternary 1012121212122
5 Quinary 14211024223
6 Senary 1455315310
8 Octal 106314632
10 Decimal 18454938
12 Duodecimal 621bb36
16 Hexadecimal 119999a
20 Vigesimal 5f6h6i
36 Base36 azjx6

Cryptographic Hash Functions

md5 9d3a8994b77127ef4e96ae93004da7ab
sha1 dff68e6a71d48d1b3962ecd2155ab9511650229c
sha256 093b0b4b2031dd732984e326ed8967fdfa1f823fc45e0e65a56530efd3323b08
sha512 867f6ea072109b5660df663f204d3a305b73319a6d8f626adfd9c07b898806361af3503cbb94ce89492efeb33df024ee0959d4b6c1662641c200ca43fd26630d
ripemd-160 ae3a0ba00f13fdebf1921a56985e9c2a007bd690

18454938 as geometric shapes

Circle

Radius = n
Diameter 36909876
Circumference 115955795.28651
Area 1.0699785063766E+15

Sphere

Radius = n
Volume 2.6328515995351E+22
Surface area 4.2799140255065E+15
Circumference 115955795.28651

Square

Length = n
Perimeter 73819752
Area 340584736583844
Diagonal 26099223.612355

Cube

Length = n
Surface area 2043508419503064
Volume 6.2854701974012E+21
Space diagonal 31964890.266534

Equilateral Triangle

Length = n
Perimeter 55364814
Area 1.4747751701142E+14
Altitude 15982445.133267

Triangular Pyramid

Length = n
Surface area 1.4747751701142E+14
Volume 7.4074976658805E+20
Height 8699741.2041182