18180840 (number)

18180840 is an even 8-digits composite number following 18180839 and preceding 18180841. In scientific notation, it is written as 1.8180840 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 4848192 positive integers (up to 18180840) that are relatively prime to 18180840.

Interesting facts

Basic properties

Name

Name eighteen million one hundred eighty thousand eight hundred forty

Notation

Scientific notation 1.8180840 × 10^7
Engineering notation 1.8180840 × 10^6

Prime Factorization of 18180840

Prime Factorization 2 × 2 × 2 × 15 × 151507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4545210
Product of the distinct prime numbers

The prime factorization of 18180840 is 2 × 2 × 2 × 15 × 151507. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18180840)

Multiplication

n×y
n×2 36361680
n×3 54542520
n×4 72723360
n×5 90904200

Division

n÷y
n÷2 9090420
n÷3 6060280
n÷3 4545210
n÷5 3636168

Exponentiation

ny
n2 330542943105600
n3 6.009548361732E+21
n4 1.0925863723691E+29
n5 1.9864138022223E+36

Nth Root

y√n
2√n 4263.899623584
3√n 262.94887371399
4√n 65.298542277635
5√n 28.308886615909

Divisors of 18180840

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 -18180839
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 18180840 can be divided by 16 positive divisors. The sum of these divisors (counting 18180840) is 1, the average is 0.0625.

Base conversion 18180840

Base System Value
2 Binary 1000101010110101011101000
3 Ternary 1021012200102110
4 Quaternary 1011112223220
5 Quinary 14123241330
6 Senary 1445402320
8 Octal 105265350
10 Decimal 18180840
12 Duodecimal 61093a0
16 Hexadecimal 1156ae8
20 Vigesimal 5dcc20
36 Base36 atofc

Cryptographic Hash Functions

md5 98a2136dfd6a5ccb5ba095652d72e458
sha1 62a1acc8f1a60b8a23cef726f1f2057fd9dc14c2
sha256 c7036660b073b4e6527f2bc3fae6354a0b4d57fae4b3c03033bf164c4841af85
sha512 172c4bcef4e9459d7eb39b5704def531a6fad98ea203a126972ac6ccdd6b90448d2b88586889c9edfd06aa0a119f7222a07463b57bc37af8535549f9a1427353
ripemd-160 6a68ad653422ab92723d0b316c41d3705ecdd740

18180840 as geometric shapes

Circle

Radius = n
Diameter 36361680
Circumference 114233586.76018
Area 1.0384312817565E+15

Sphere

Radius = n
Volume 2.5172737312813E+22
Surface area 4.153725127026E+15
Circumference 114233586.76018

Square

Length = n
Perimeter 72723360
Area 330542943105600
Diagonal 25711590.503335

Cube

Length = n
Surface area 1983257658633600
Volume 6.009548361732E+21
Space diagonal 31490138.604281

Equilateral Triangle

Length = n
Perimeter 54542520
Area 1.4312929288556E+14
Altitude 15745069.30214

Triangular Pyramid

Length = n
Surface area 1.4312929288556E+14
Volume 7.082320664082E+20
Height 8570530.1677784