18864385 (number)

18864385 is an odd 8-digits composite number following 18864384 and preceding 18864386. In scientific notation, it is written as 1.8864385 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 14982384 positive integers (up to 18864385) that are relatively prime to 18864385.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred sixty-four thousand three hundred eighty-five

Notation

Scientific notation 1.8864385 × 10^7
Engineering notation 1.8864385 × 10^6

Prime Factorization of 18864385

Prime Factorization 5 × 139 × 27143

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18864385
Product of the distinct prime numbers

The prime factorization of 18864385 is 5 × 139 × 27143. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 28, 83, 664, 892, 9869, 5596, 94369, 56772, 655404, 142431, 2891175, 7561858, 67490276, 20308644, 755270862, 81033783, 5548267462, 579047645

Basic calculations (n = 18864385)

Multiplication

n×y
n×2 37728770
n×3 56593155
n×4 75457540
n×5 94321925

Division

n÷y
n÷2 9432192.5
n÷3 6288128.3333333
n÷3 4716096.25
n÷5 3772877

Exponentiation

ny
n2 355865021428225
n3 6.7131747722553E+21
n4 1.2663991347611E+29
n5 2.38898408418E+36

Nth Root

y√n
2√n 4343.3149782165
3√n 266.20377943799
4√n 65.903831286326
5√n 28.518621565119

Divisors of 18864385

1, 5, 139, 695, 27143, 135715, 3772877, 18864385

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 -18864384
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 18864385 can be divided by 8 positive divisors. The sum of these divisors (counting 18864385) is 1, the average is 0.125.

Base conversion 18864385

Base System Value
2 Binary 1000111111101100100000001
3 Ternary 1022111102001221
4 Quaternary 1013331210001
5 Quinary 14312130020
6 Senary 1512155041
8 Octal 107754401
10 Decimal 18864385
12 Duodecimal 6398a81
16 Hexadecimal 11fd901
20 Vigesimal 5hi0j5
36 Base36 b8bup

Cryptographic Hash Functions

md5 f25bc483e2894ac64c63437971c66134
sha1 53298b372881a5b24dc6adc37cb3b290a5af8cda
sha256 11c70d9f7415c958cff139f774c62f76f0fb509ebd4094f5f11e667182055f9a
sha512 ad33eb860de0396d3ced4cea1bac462c17b5c6fc76855edd747c72e3dfafe08319cbf3d8ad590405c30e5f4b411211a766a84f97dac445428b27ec64013ef63c
ripemd-160 838e978c04e2ebdb209c5125bfffb2bcbb1b1414

18864385 as geometric shapes

Circle

Radius = n
Diameter 37728770
Circumference 118528426.66098
Area 1.1179829369885E+15

Sphere

Radius = n
Volume 2.8120080729042E+22
Surface area 4.4719317479539E+15
Circumference 118528426.66098

Square

Length = n
Perimeter 75457540
Area 355865021428225
Diagonal 26678269.112828

Cube

Length = n
Surface area 2135190128569350
Volume 6.7131747722553E+21
Space diagonal 32674073.27354

Equilateral Triangle

Length = n
Perimeter 56593155
Area 1.5409407443757E+14
Altitude 16337036.63677

Triangular Pyramid

Length = n
Surface area 1.5409407443757E+14
Volume 7.9115523412536E+20
Height 8892756.3709425