18909880 (number)

18909880 is an even 8-digits composite number following 18909879 and preceding 18909881. In scientific notation, it is written as 1.8909880 × 10^7. The sum of its digits is 43. It has a total of 7 prime factors and 48 positive divisors. There are 6874560 positive integers (up to 18909880) that are relatively prime to 18909880.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred nine thousand eight hundred eighty

Notation

Scientific notation 1.8909880 × 10^7
Engineering notation 1.8909880 × 10^6

Prime Factorization of 18909880

Prime Factorization 2 × 2 × 2 × 11 × 5 × 11 × 3907

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 429770
Product of the distinct prime numbers

The prime factorization of 18909880 is 2 × 2 × 2 × 11 × 5 × 11 × 3907. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 7, 42, 1, 114, 349, 9850, 2280, 17928, 3733, 843964, 573471, 6838463, 6317938, 74126780, 72001584, 392275482, 144271399, 5515744407, 8012193705

Basic calculations (n = 18909880)

Multiplication

n×y
n×2 37819760
n×3 56729640
n×4 75639520
n×5 94549400

Division

n÷y
n÷2 9454940
n÷3 6303293.3333333
n÷3 4727470
n÷5 3781976

Exponentiation

ny
n2 357583561614400
n3 6.7618622401009E+21
n4 1.2786600353684E+29
n5 2.4179307829612E+36

Nth Root

y√n
2√n 4348.5491833484
3√n 266.41760773638
4√n 65.943530261493
5√n 28.532363914781

Divisors of 18909880

1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 3907, 4840, 7814, 15628, 19535, 31256, 39070, 42977, 78140, 85954, 156280, 171908, 214885, 343816, 429770, 472747, 859540, 945494, 1719080, 1890988, 2363735, 3781976, 4727470, 9454940, 18909880

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18909879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18909880 can be divided by 48 positive divisors. The sum of these divisors (counting 18909880) is 1, the average is 0.020833333333333.

Base conversion 18909880

Base System Value
2 Binary 1001000001000101010111000
3 Ternary 1022120201110221
4 Quaternary 1020020222320
5 Quinary 14320104010
6 Senary 1513145424
8 Octal 110105270
10 Decimal 18909880
12 Duodecimal 63bb274
16 Hexadecimal 1208ab8
20 Vigesimal 5i3ee0
36 Base36 b9ayg

Cryptographic Hash Functions

md5 c7730c92f28b6baabc2bbc15645cac61
sha1 701f5fad3b6e694c7b0a65d3308157bc88a6bb0a
sha256 351d75d98f892fb69341db71d234e91d714cb5bbd2a5bc2ddd99ff8ebd4a00bc
sha512 41821bd500ae1c07dcf7e78b1e875dcbde1cce7df203e63d64b497213ca8d286f6da7d486d0c2c43bedad05e0600540c70a1e8baf325788d59c09afc3d993020
ripemd-160 5ad31b22f648b92e600ff10ecc042e7b4cbe02ee

18909880 as geometric shapes

Circle

Radius = n
Diameter 37819760
Circumference 118814280.17653
Area 1.1233818902123E+15

Sphere

Radius = n
Volume 2.832402231745E+22
Surface area 4.4935275608491E+15
Circumference 118814280.17653

Square

Length = n
Perimeter 75639520
Area 357583561614400
Diagonal 26742608.758848

Cube

Length = n
Surface area 2145501369686400
Volume 6.7618622401009E+21
Space diagonal 32752872.925031

Equilateral Triangle

Length = n
Perimeter 56729640
Area 1.5483822416689E+14
Altitude 16376436.462515

Triangular Pyramid

Length = n
Surface area 1.5483822416689E+14
Volume 7.9689310723744E+20
Height 8914202.9196159