18391380 (number)

18391380 is an even 8-digits composite number following 18391379 and preceding 18391381. In scientific notation, it is written as 1.8391380 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 4203648 positive integers (up to 18391380) that are relatively prime to 18391380.

Interesting facts

Basic properties

Name

Name eighteen million three hundred ninety-one thousand three hundred eighty

Notation

Scientific notation 1.8391380 × 10^7
Engineering notation 1.8391380 × 10^6

Prime Factorization of 18391380

Prime Factorization 2 × 2 × 21 × 5 × 43789

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9195690
Product of the distinct prime numbers

The prime factorization of 18391380 is 2 × 2 × 21 × 5 × 43789. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 40, 41, 138, 817, 2342, 7906, 56221, 39881, 471646, 390242, 4614158, 9280185, 98474077, 67593692, 454443584, 4020728, 7754680415, 7874841397

Basic calculations (n = 18391380)

Multiplication

n×y
n×2 36782760
n×3 55174140
n×4 73565520
n×5 91956900

Division

n÷y
n÷2 9195690
n÷3 6130460
n÷3 4597845
n÷5 3678276

Exponentiation

ny
n2 338242858304400
n3 6.2207529393624E+21
n4 1.1440823119393E+29
n5 2.1041252550154E+36

Nth Root

y√n
2√n 4288.5172262683
3√n 263.95999164148
4√n 65.486771383756
5√n 28.374150212916

Divisors of 18391380

1, 2, 4, 5, 10, 20, 21, 42, 84, 105, 210, 420, 43789, 87578, 175156, 218945, 437890, 875780, 919569, 1839138, 3678276, 4597845, 9195690, 18391380

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 -18391379
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 18391380 can be divided by 24 positive divisors. The sum of these divisors (counting 18391380) is 1, the average is 0.041666666666667.

Base conversion 18391380

Base System Value
2 Binary 1000110001010000101010100
3 Ternary 1021121101020020
4 Quaternary 1012022011110
5 Quinary 14202011010
6 Senary 1454105140
8 Octal 106120524
10 Decimal 18391380
12 Duodecimal 61ab1b0
16 Hexadecimal 118a154
20 Vigesimal 5eii90
36 Base36 ay6vo

Cryptographic Hash Functions

md5 889b3fcc794368901bbf0fb679c48291
sha1 d6ba8466b6a2a63fb9479411341bc8858bed6666
sha256 610d60e708fd7dd734b24a7e906578fb3e6ab958a57955afee64a03f617cec5b
sha512 f008fc064ff6768dbe34a07e97c86a4a57fc773b374eae12822f80d202ca29d74ee8cc8fef86e72370c359dc2e8177f9c03ca48cef50780450f6701374e0a08f
ripemd-160 8e85126b6336888baac309053ec5b421786bbdbf

18391380 as geometric shapes

Circle

Radius = n
Diameter 36782760
Circumference 115556448.59476
Area 1.0626212787783E+15

Sphere

Radius = n
Volume 2.6057428978797E+22
Surface area 4.2504851151133E+15
Circumference 115556448.59476

Square

Length = n
Perimeter 73565520
Area 338242858304400
Diagonal 26009339.026757

Cube

Length = n
Surface area 2029457149826400
Volume 6.2207529393624E+21
Space diagonal 31854804.581306

Equilateral Triangle

Length = n
Perimeter 55174140
Area 1.4646345397014E+14
Altitude 15927402.290653

Triangular Pyramid

Length = n
Surface area 1.4646345397014E+14
Volume 7.3312276458488E+20
Height 8669779.6755858