18153985 (number)

18153985 is an odd 8-digits composite number following 18153984 and preceding 18153986. In scientific notation, it is written as 1.8153985 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 13989888 positive integers (up to 18153985) that are relatively prime to 18153985.

Interesting facts

Basic properties

Name

Name eighteen million one hundred fifty-three thousand nine hundred eighty-five

Notation

Scientific notation 1.8153985 × 10^7
Engineering notation 1.8153985 × 10^6

Prime Factorization of 18153985

Prime Factorization 5 × 47 × 67 × 1153

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18153985
Product of the distinct prime numbers

The prime factorization of 18153985 is 5 × 47 × 67 × 1153. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18153985)

Multiplication

n×y
n×2 36307970
n×3 54461955
n×4 72615940
n×5 90769925

Division

n÷y
n÷2 9076992.5
n÷3 6051328.3333333
n÷3 4538496.25
n÷5 3630797

Exponentiation

ny
n2 329567171380225
n3 5.982957485729E+21
n4 1.0861452045156E+29
n5 1.9717863750599E+36

Nth Root

y√n
2√n 4260.7493472393
3√n 262.81934226379
4√n 65.274415717334
5√n 28.300518633712

Divisors of 18153985

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 -18153984
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 18153985 can be divided by 16 positive divisors. The sum of these divisors (counting 18153985) is 1, the average is 0.0625.

Base conversion 18153985

Base System Value
2 Binary 1000101010000001000000001
3 Ternary 1021011022120211
4 Quaternary 1011100020001
5 Quinary 14121411420
6 Senary 1445034121
8 Octal 105201001
10 Decimal 18153985
12 Duodecimal 60b5941
16 Hexadecimal 1150201
20 Vigesimal 5d94j5
36 Base36 at3pd

Cryptographic Hash Functions

md5 647c91c9a1fb8a3d232a3e82ec62cb4c
sha1 d3afc129d573ef5925c894fd1b9be3bb4a3a6670
sha256 a6bd2a8a8481d4a645e8e0716aa98cad07eb158545ba0ac906b44830b8a65dcf
sha512 2ed7991ebc096a25c73ada5dffd38c418db4ed640e3f3374ff5e7507384812bd3f56b65549690c41aa30ab943716c2c2b3c924342f15c82a182a8219ab6444f8
ripemd-160 7b759a43947a07d419a1eedaf85d39a7ed9a380f

18153985 as geometric shapes

Circle

Radius = n
Diameter 36307970
Circumference 114064851.81876
Area 1.0353658044725E+15

Sphere

Radius = n
Volume 2.5061353711875E+22
Surface area 4.1414632178899E+15
Circumference 114064851.81876

Square

Length = n
Perimeter 72615940
Area 329567171380225
Diagonal 25673611.798118

Cube

Length = n
Surface area 1977403028281350
Volume 5.982957485729E+21
Space diagonal 31443624.379843

Equilateral Triangle

Length = n
Perimeter 54461955
Area 1.4270677133433E+14
Altitude 15721812.189922

Triangular Pyramid

Length = n
Surface area 1.4270677133433E+14
Volume 7.050983016183E+20
Height 8557870.5993726