18121454 (number)

18121454 is an even 8-digits composite number following 18121453 and preceding 18121455. In scientific notation, it is written as 1.8121454 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 8329440 positive integers (up to 18121454) that are relatively prime to 18121454.

Interesting facts

Basic properties

Name

Name eighteen million one hundred twenty-one thousand four hundred fifty-four

Notation

Scientific notation 1.8121454 × 10^7
Engineering notation 1.8121454 × 10^6

Prime Factorization of 18121454

Prime Factorization 2 × 13 × 269 × 2591

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18121454
Product of the distinct prime numbers

The prime factorization of 18121454 is 2 × 13 × 269 × 2591. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18121454)

Multiplication

n×y
n×2 36242908
n×3 54364362
n×4 72485816
n×5 90607270

Division

n÷y
n÷2 9060727
n÷3 6040484.6666667
n÷3 4530363.5
n÷5 3624290.8

Exponentiation

ny
n2 328387095074116
n3 5.9508516375792E+21
n4 1.0783808421122E+29
n5 1.9541828824817E+36

Nth Root

y√n
2√n 4256.9301145309
3√n 262.66226218776
4√n 65.245153954381
5√n 28.290368743418

Divisors of 18121454

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 -18121453
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 18121454 can be divided by 16 positive divisors. The sum of these divisors (counting 18121454) is 1, the average is 0.0625.

Base conversion 18121454

Base System Value
2 Binary 1000101001000001011101110
3 Ternary 1021002122221222
4 Quaternary 1011020023232
5 Quinary 14114341304
6 Senary 1444223342
8 Octal 105101356
10 Decimal 18121454
12 Duodecimal 609ab52
16 Hexadecimal 11482ee
20 Vigesimal 5d53ce
36 Base36 aselq

Cryptographic Hash Functions

md5 f011da0f82e5cdc0c59bc8f05039fa59
sha1 a5f54be8d19f006c8690648df42292aa9d95300a
sha256 9256c94535da162481818bf3191c6b2ed82e5c919420a2018456112cd2bb1f3a
sha512 6cb319d9914587e3d9c5cd7e3f876a36cac84a578b0f678a7712316f5d9abbfd48d90300a494104ccab892dcb08b674004846a85c3d6d782ffac9377be76d6e6
ripemd-160 868a97bf291cee4494f0392655ed5e8c77c1a1dc

18121454 as geometric shapes

Circle

Radius = n
Diameter 36242908
Circumference 113860453.51753
Area 1.0316584854185E+15

Sphere

Radius = n
Volume 2.4926869049629E+22
Surface area 4.1266339416741E+15
Circumference 113860453.51753

Square

Length = n
Perimeter 72485816
Area 328387095074116
Diagonal 25627606.01672

Cube

Length = n
Surface area 1970322570444696
Volume 5.9508516375792E+21
Space diagonal 31387279.035022

Equilateral Triangle

Length = n
Perimeter 54364362
Area 1.4219578330458E+14
Altitude 15693639.517511

Triangular Pyramid

Length = n
Surface area 1.4219578330458E+14
Volume 7.0131459112789E+20
Height 8542535.3389067