18431380 (number)

18431380 is an even 8-digits composite number following 18431379 and preceding 18431381. In scientific notation, it is written as 1.8431380 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 6652800 positive integers (up to 18431380) that are relatively prime to 18431380.

Interesting facts

Basic properties

Name

Name eighteen million four hundred thirty-one thousand three hundred eighty

Notation

Scientific notation 1.8431380 × 10^7
Engineering notation 1.8431380 × 10^6

Prime Factorization of 18431380

Prime Factorization 2 × 2 × 55 × 199 × 421

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9215690
Product of the distinct prime numbers

The prime factorization of 18431380 is 2 × 2 × 55 × 199 × 421. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 2, 17, 100, 154, 276, 3399, 4344, 94133, 41502, 587080, 966388, 8072672, 4786119, 17917841, 16460096, 669397188, 508348267, 5595088686, 8525488283

Basic calculations (n = 18431380)

Multiplication

n×y
n×2 36862760
n×3 55294140
n×4 73725520
n×5 92156900

Division

n÷y
n÷2 9215690
n÷3 6143793.3333333
n÷3 4607845
n÷5 3686276

Exponentiation

ny
n2 339715768704400
n3 6.2614304249829E+21
n4 1.1540680350642E+29
n5 2.1271066500122E+36

Nth Root

y√n
2√n 4293.1783098306
3√n 264.15121808019
4√n 65.522349697112
5√n 28.386481858563

Divisors of 18431380

1, 2, 4, 55, 110, 199, 220, 398, 421, 796, 842, 1684, 10945, 21890, 23155, 43780, 46310, 83779, 92620, 167558, 335116, 4607845, 9215690, 18431380

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18431379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18431380 can be divided by 24 positive divisors. The sum of these divisors (counting 18431380) is 1, the average is 0.041666666666667.

Base conversion 18431380

Base System Value
2 Binary 1000110010011110110010100
3 Ternary 1021200102002201
4 Quaternary 1012103312110
5 Quinary 14204301010
6 Senary 1455014244
8 Octal 106236624
10 Decimal 18431380
12 Duodecimal 620a384
16 Hexadecimal 1193d94
20 Vigesimal 5f3i90
36 Base36 az1qs

Cryptographic Hash Functions

md5 b0978acb8abfae879bcc4e9509dfb445
sha1 8ea8779da91e8154975648273b59a23239285250
sha256 7068208d31d7cd1eb2cf65f5d961439a46c80991bdd628b4de3416d376418e0c
sha512 36d3ef84d9e6a429ffd0a3e138eddf1fabf29bccece3125428d505466b8ead51579a48c33f5e366c3ee75c7bdabb58e733b289b4642839dd6b8dc891086cc483
ripemd-160 3418d5b463d3b4ab32c78e710634cac393521555

18431380 as geometric shapes

Circle

Radius = n
Diameter 36862760
Circumference 115807776.00704
Area 1.0672485632704E+15

Sphere

Radius = n
Volume 2.622781843212E+22
Surface area 4.2689942530814E+15
Circumference 115807776.00704

Square

Length = n
Perimeter 73725520
Area 339715768704400
Diagonal 26065907.569252

Cube

Length = n
Surface area 2038294612226400
Volume 6.2614304249829E+21
Space diagonal 31924086.613609

Equilateral Triangle

Length = n
Perimeter 55294140
Area 1.4710124288208E+14
Altitude 15962043.306804

Triangular Pyramid

Length = n
Surface area 1.4710124288208E+14
Volume 7.3791665223886E+20
Height 8688635.8564174