18385213 (number)

18385213 is an odd 8-digits composite number following 18385212 and preceding 18385214. In scientific notation, it is written as 1.8385213 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 14192640 positive integers (up to 18385213) that are relatively prime to 18385213.

Interesting facts

Basic properties

Name

Name eighteen million three hundred eighty-five thousand two hundred thirteen

Notation

Scientific notation 1.8385213 × 10^7
Engineering notation 1.8385213 × 10^6

Prime Factorization of 18385213

Prime Factorization 7 × 11 × 113 × 2113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18385213
Product of the distinct prime numbers

The prime factorization of 18385213 is 7 × 11 × 113 × 2113. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 84, 20, 5, 514, 2719, 8835, 88816, 91368, 916424, 950378, 7671799, 7217609, 9730811, 80603611, 863782465, 125938880, 3896145897, 7498942240

Basic calculations (n = 18385213)

Multiplication

n×y
n×2 36770426
n×3 55155639
n×4 73540852
n×5 91926065

Division

n÷y
n÷2 9192606.5
n÷3 6128404.3333333
n÷3 4596303.25
n÷5 3677042.6

Exponentiation

ny
n2 338016057055369
n3 6.2144972063831E+21
n4 1.1425485482726E+29
n5 2.1005998422832E+36

Nth Root

y√n
2√n 4287.7981528985
3√n 263.93048464325
4√n 65.481280935077
5√n 28.372247072866

Divisors of 18385213

1, 7, 11, 77, 113, 791, 1243, 2113, 8701, 14791, 23243, 162701, 238769, 1671383, 2626459, 18385213

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 -18385212
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 18385213 can be divided by 16 positive divisors. The sum of these divisors (counting 18385213) is 1, the average is 0.0625.

Base conversion 18385213

Base System Value
2 Binary 1000110001000100100111101
3 Ternary 1021121001202211
4 Quaternary 1012020210331
5 Quinary 14201311323
6 Senary 1454020421
8 Octal 106104475
10 Decimal 18385213
12 Duodecimal 61a7711
16 Hexadecimal 118893d
20 Vigesimal 5ei30d
36 Base36 ay24d

Cryptographic Hash Functions

md5 01f6a8c5f9b21bb57b8f47c67018be5c
sha1 22df48a08fd86b9f0a0a6523ed7412005a7dc4f8
sha256 5fef4e8e0d98b87534dc490d33083dd8a673546f025ef0b8c61aa919dbdd3808
sha512 c69d2d875baf3cd58a57869bb27d3d54f9f770e08dfb24378d758bf2a1ea1cdc6859bd4ebfbb6d6b22b7530f64fd8dbefcc6700565ea61fbdbdae29c77b2b9ec
ripemd-160 944b74bde238bb7d5dabe21c4f097a0801576d5e

18385213 as geometric shapes

Circle

Radius = n
Diameter 36770426
Circumference 115517700.19097
Area 1.0619087616405E+15

Sphere

Radius = n
Volume 2.603122502577E+22
Surface area 4.2476350465621E+15
Circumference 115517700.19097

Square

Length = n
Perimeter 73540852
Area 338016057055369
Diagonal 26000617.571718

Cube

Length = n
Surface area 2028096342332214
Volume 6.2144972063831E+21
Space diagonal 31844123.023976

Equilateral Triangle

Length = n
Perimeter 55155639
Area 1.463652461485E+14
Altitude 15922061.511988

Triangular Pyramid

Length = n
Surface area 1.463652461485E+14
Volume 7.3238551938306E+20
Height 8666872.523906