18381091 (number)

18381091 is an odd 8-digits composite number following 18381090 and preceding 18381092. In scientific notation, it is written as 1.8381091 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 18043200 positive integers (up to 18381091) that are relatively prime to 18381091.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8381091 × 10^7
Engineering notation 1.8381091 × 10^6

Prime Factorization of 18381091

Prime Factorization 101 × 1433 × 127

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18381091
Product of the distinct prime numbers

The prime factorization of 18381091 is 101 × 1433 × 127. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 55, 65, 777, 114, 2077, 1332, 33893, 58816, 109886, 581551, 5860209, 3613730, 43094512, 62949566, 955862436, 860407673, 9447863792, 451400351

Basic calculations (n = 18381091)

Multiplication

n×y
n×2 36762182
n×3 55143273
n×4 73524364
n×5 91905455

Division

n÷y
n÷2 9190545.5
n÷3 6127030.3333333
n÷3 4595272.75
n÷5 3676218.2

Exponentiation

ny
n2 337864506350281
n3 6.2103182368946E+21
n4 1.1415242465132E+29
n5 2.0982461053865E+36

Nth Root

y√n
2√n 4287.317459671
3√n 263.91075859543
4√n 65.477610369278
5√n 28.37097473632

Divisors of 18381091

1, 101, 127, 1433, 12827, 144733, 181991, 18381091

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18381090
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18381091 can be divided by 8 positive divisors. The sum of these divisors (counting 18381091) is 1, the average is 0.125.

Base conversion 18381091

Base System Value
2 Binary 1000110000111100100100011
3 Ternary 1021120212010011
4 Quaternary 1012013210203
5 Quinary 14201143331
6 Senary 1453545351
8 Octal 106074443
10 Decimal 18381091
12 Duodecimal 61a5257
16 Hexadecimal 1187923
20 Vigesimal 5ehceb
36 Base36 axyxv

Cryptographic Hash Functions

md5 60d068ac2251497b33b6457e6d1bd74d
sha1 827be00b1c98c9c3e9ffb934e69ae21d3e310731
sha256 16a09cbd87fd0508bd5acbc4c6ceed541f273866e88302243b50db2c241e0863
sha512 528310b11568ca7ea6b9fbdf1bf23f17b4a57d9acd4defef29503d42b012392f6c39b10c9457ff99ddec8c52d6c3e5be3933a8e18c448063abd084976305b058
ripemd-160 1d1d0b8cc8d452526b2b16411083bc8a2eee5f5b

18381091 as geometric shapes

Circle

Radius = n
Diameter 36762182
Circumference 115491800.90113
Area 1.0614326510588E+15

Sphere

Radius = n
Volume 2.601372019931E+22
Surface area 4.2457306042351E+15
Circumference 115491800.90113

Square

Length = n
Perimeter 73524364
Area 337864506350281
Diagonal 25994788.183414

Cube

Length = n
Surface area 2027187038101686
Volume 6.2103182368946E+21
Space diagonal 31836983.510547

Equilateral Triangle

Length = n
Perimeter 55143273
Area 1.4629962276822E+14
Altitude 15918491.755274

Triangular Pyramid

Length = n
Surface area 1.4629962276822E+14
Volume 7.3189302310578E+20
Height 8664929.3944713