18312912 (number)

18312912 is an even 8-digits composite number following 18312911 and preceding 18312913. In scientific notation, it is written as 1.8312912 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 40 positive divisors. There are 6104160 positive integers (up to 18312912) that are relatively prime to 18312912.

Interesting facts

Basic properties

Name

Name eighteen million three hundred twelve thousand nine hundred twelve

Notation

Scientific notation 1.8312912 × 10^7
Engineering notation 1.8312912 × 10^6

Prime Factorization of 18312912

Prime Factorization 2 × 2 × 2 × 2 × 3 × 3 × 3 × 42391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 254346
Product of the distinct prime numbers

The prime factorization of 18312912 is 2 × 2 × 2 × 2 × 3 × 3 × 3 × 42391. Since it has a total of 8 prime factors.

Most popular turbo-numbers

10, 7, 3, 98, 746, 107, 6041, 1757, 87156, 40795, 107323, 373995, 1119904, 2655988, 28953678, 69126161, 233484694, 288963444, 2126751415, 6113593574

Basic calculations (n = 18312912)

Multiplication

n×y
n×2 36625824
n×3 54938736
n×4 73251648
n×5 91564560

Division

n÷y
n÷2 9156456
n÷3 6104304
n÷3 4578228
n÷5 3662582.4

Exponentiation

ny
n2 335362745919744
n3 6.1414684541066E+21
n4 1.1246817135083E+29
n5 2.0596197247487E+36

Nth Root

y√n
2√n 4279.3588304792
3√n 263.5840557485
4√n 65.4168084706
5√n 28.349896760336

Divisors of 18312912

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 42391, 84782, 127173, 169564, 254346, 339128, 381519, 508692, 678256, 763038, 1017384, 1144557, 1526076, 2034768, 2289114, 3052152, 4578228, 6104304, 9156456, 18312912

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18312911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18312912 can be divided by 40 positive divisors. The sum of these divisors (counting 18312912) is 1, the average is 0.025.

Base conversion 18312912

Base System Value
2 Binary 1000101110110111011010000
3 Ternary 1021110101121000
4 Quaternary 1011312323100
5 Quinary 14142003122
6 Senary 1452302000
8 Octal 105667320
10 Decimal 18312912
12 Duodecimal 6171900
16 Hexadecimal 1176ed0
20 Vigesimal 5e925c
36 Base36 awic0

Cryptographic Hash Functions

md5 247249edb863b116478e3e481eb85068
sha1 a7a9d584eb3ff95be261e403be8f31553175a8e2
sha256 0f790147f5fc3ea7391148daa40ee19aaa4cafef79011aea7010a8ec8edddfe1
sha512 5b00d439e91645b80be3ac81003690684aebc7ce7b2f56599bfd8db7100a3e18863481967841aedce2267f9fd55bab1657c6a04430a791a918010d48d42a687c
ripemd-160 9161d0d4e06f86165785e800eabe799803970543

18312912 as geometric shapes

Circle

Radius = n
Diameter 36625824
Circumference 115063419.61007
Area 1.0535731388692E+15

Sphere

Radius = n
Volume 2.5725322903566E+22
Surface area 4.2142925554767E+15
Circumference 115063419.61007

Square

Length = n
Perimeter 73251648
Area 335362745919744
Diagonal 25898368.516945

Cube

Length = n
Surface area 2012176475518464
Volume 6.1414684541066E+21
Space diagonal 31718894.018538

Equilateral Triangle

Length = n
Perimeter 54938736
Area 1.452163287247E+14
Altitude 15859447.009269

Triangular Pyramid

Length = n
Surface area 1.452163287247E+14
Volume 7.2377899839034E+20
Height 8632789.5056483