18904920 (number)

18904920 is an even 8-digits composite number following 18904919 and preceding 18904921. In scientific notation, it is written as 1.8904920 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 32 positive divisors. There are 5013504 positive integers (up to 18904920) that are relatively prime to 18904920.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred four thousand nine hundred twenty

Notation

Scientific notation 1.8904920 × 10^7
Engineering notation 1.8904920 × 10^6

Prime Factorization of 18904920

Prime Factorization 2 × 2 × 2 × 15 × 257 × 613

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4726230
Product of the distinct prime numbers

The prime factorization of 18904920 is 2 × 2 × 2 × 15 × 257 × 613. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18904920)

Multiplication

n×y
n×2 37809840
n×3 56714760
n×4 75619680
n×5 94524600

Division

n÷y
n÷2 9452460
n÷3 6301640
n÷3 4726230
n÷5 3780984

Exponentiation

ny
n2 357396000206400
n3 6.756542792222E+21
n4 1.2773190096353E+29
n5 2.4147613691635E+36

Nth Root

y√n
2√n 4347.9788407949
3√n 266.39431220891
4√n 65.939205642735
5√n 28.53086696847

Divisors of 18904920

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18904919
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18904920 can be divided by 32 positive divisors. The sum of these divisors (counting 18904920) is 1, the average is 0.03125.

Base conversion 18904920

Base System Value
2 Binary 1001000000111011101011000
3 Ternary 1022120110200020
4 Quaternary 1020013131120
5 Quinary 14314424140
6 Senary 1513110440
8 Octal 110073530
10 Decimal 18904920
12 Duodecimal 63b8420
16 Hexadecimal 1207758
20 Vigesimal 5i3260
36 Base36 b974o

Cryptographic Hash Functions

md5 33b41281ad613fcf1fd0d309e7485d50
sha1 6da980a30edc2bdd4df0299705cfcbf1214a6d0e
sha256 197fb1b9d998db6fbab08cb9da196629595e310666ec7e549735cf0e854e438a
sha512 c55287b3c07e79c7de52a65bf9e82d5c83aaa9bf7adca36088d80cfe5cbbfec19a1841a2be482d1516a2d6411bc6643056c62b2d1e02ff6f8c2dac7c543d3f30
ripemd-160 faad24bb07524a6d7a750950cf81504e1e06ee9e

18904920 as geometric shapes

Circle

Radius = n
Diameter 37809840
Circumference 118783115.57741
Area 1.1227926486708E+15

Sphere

Radius = n
Volume 2.8301740266279E+22
Surface area 4.4911705946832E+15
Circumference 118783115.57741

Square

Length = n
Perimeter 75619680
Area 357396000206400
Diagonal 26735594.259578

Cube

Length = n
Surface area 2144376001238400
Volume 6.756542792222E+21
Space diagonal 32744281.953025

Equilateral Triangle

Length = n
Perimeter 56714760
Area 1.5475700769485E+14
Altitude 16372140.976513

Triangular Pyramid

Length = n
Surface area 1.5475700769485E+14
Volume 7.9626620429287E+20
Height 8911864.7531928