18678980 (number)

18678980 is an even 8-digits composite number following 18678979 and preceding 18678981. In scientific notation, it is written as 1.8678980 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 7471584 positive integers (up to 18678980) that are relatively prime to 18678980.

Interesting facts

Basic properties

Name

Name eighteen million six hundred seventy-eight thousand nine hundred eighty

Notation

Scientific notation 1.8678980 × 10^7
Engineering notation 1.8678980 × 10^6

Prime Factorization of 18678980

Prime Factorization 2 × 2 × 5 × 933949

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9339490
Product of the distinct prime numbers

The prime factorization of 18678980 is 2 × 2 × 5 × 933949. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 30, 30, 814, 393, 809, 73, 24674, 44611, 666765, 353560, 3334246, 6048488, 9212295, 16782440, 770378978, 718844945, 9706715996, 1033935562

Basic calculations (n = 18678980)

Multiplication

n×y
n×2 37357960
n×3 56036940
n×4 74715920
n×5 93394900

Division

n÷y
n÷2 9339490
n÷3 6226326.6666667
n÷3 4669745
n÷5 3735796

Exponentiation

ny
n2 348904293840400
n3 6.517176326559E+21
n4 1.2173420626027E+29
n5 2.2738708040514E+36

Nth Root

y√n
2√n 4321.9185554566
3√n 265.32879563182
4√n 65.741300226392
5√n 28.462341911007

Divisors of 18678980

1, 2, 4, 5, 10, 20, 933949, 1867898, 3735796, 4669745, 9339490, 18678980

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18678979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18678980 can be divided by 12 positive divisors. The sum of these divisors (counting 18678980) is 1, the average is 0.083333333333333.

Base conversion 18678980

Base System Value
2 Binary 1000111010000010011000100
3 Ternary 1022010222202002
4 Quaternary 1013100103010
5 Quinary 14240211410
6 Senary 1504204432
8 Octal 107202304
10 Decimal 18678980
12 Duodecimal 6309718
16 Hexadecimal 11d04c4
20 Vigesimal 5geh90
36 Base36 b4csk

Cryptographic Hash Functions

md5 33fd5879de9c223f16591229b6813906
sha1 522074c93965316fe080e9b877971b755e7395c9
sha256 2c2b894397038e1958b54747826ab84cda10137bea0faef9fa44a93bfdddb9cb
sha512 f2f98f0d7e2b0614728f264fc5373f6db5ebcd59e9fcf6178d987e626bbc765ff6d5097bb8aa25caa65201ac590400c774e2016eb527c169cd6105d2dfed3c27
ripemd-160 94afb7b4afab50cd5938ba473808572384cab645

18678980 as geometric shapes

Circle

Radius = n
Diameter 37357960
Circumference 117363492.6891
Area 1.0961151663349E+15

Sphere

Radius = n
Volume 2.7299084359556E+22
Surface area 4.3844606653397E+15
Circumference 117363492.6891

Square

Length = n
Perimeter 74715920
Area 348904293840400
Diagonal 26416066.847296

Cube

Length = n
Surface area 2093425763042400
Volume 6.517176326559E+21
Space diagonal 32352942.393563

Equilateral Triangle

Length = n
Perimeter 56036940
Area 1.5107999097763E+14
Altitude 16176471.196781

Triangular Pyramid

Length = n
Surface area 1.5107999097763E+14
Volume 7.6805659578305E+20
Height 8805355.6157653