18802989 (number)

18802989 is an odd 8-digits composite number following 18802988 and preceding 18802990. In scientific notation, it is written as 1.8802989 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 11875248 positive integers (up to 18802989) that are relatively prime to 18802989.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred two thousand nine hundred eighty-nine

Notation

Scientific notation 1.8802989 × 10^7
Engineering notation 1.8802989 × 10^6

Prime Factorization of 18802989

Prime Factorization 3 × 9 × 19 × 36653

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18802989
Product of the distinct prime numbers

The prime factorization of 18802989 is 3 × 9 × 19 × 36653. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 30, 100, 298, 596, 8688, 3469, 81425, 95706, 600696, 105921, 6299605, 6981460, 80660805, 36176772, 500694267, 349466325, 4594223005, 5729177875

Basic calculations (n = 18802989)

Multiplication

n×y
n×2 37605978
n×3 56408967
n×4 75211956
n×5 94014945

Division

n÷y
n÷2 9401494.5
n÷3 6267663
n÷3 4700747.25
n÷5 3760597.8

Exponentiation

ny
n2 353552395334121
n3 6.6478418003911E+21
n4 1.2499929624649E+29
n5 2.3503603923306E+36

Nth Root

y√n
2√n 4336.2413447593
3√n 265.91467008795
4√n 65.850143088374
5√n 28.500034018483

Divisors of 18802989

1, 3, 9, 19, 27, 57, 171, 513, 36653, 109959, 329877, 696407, 989631, 2089221, 6267663, 18802989

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 -18802988
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 18802989 can be divided by 16 positive divisors. The sum of these divisors (counting 18802989) is 1, the average is 0.0625.

Base conversion 18802989

Base System Value
2 Binary 1000111101110100100101101
3 Ternary 1022101021212000
4 Quaternary 1013232210231
5 Quinary 14303143424
6 Senary 1511002513
8 Octal 107564455
10 Decimal 18802989
12 Duodecimal 6369439
16 Hexadecimal 11ee92d
20 Vigesimal 5ha799
36 Base36 b70h9

Cryptographic Hash Functions

md5 db565d6b6d4b69623334ea48068d9da5
sha1 ef4cd6eb6954ba8ad1d89fef4aa4413b0d1b7370
sha256 77ec9deb781a6146fa9599c21d360d4332ccf7c3717b141fc168980275c0099d
sha512 371d4aa06d6f01d7c1f27cb11fdeefe6b98f47b1e8c9384d92b6fbef8ec53d1b894b40ac4771b7f03249a0884658739d76cc8aa36484d94e11e2955260dc2df4
ripemd-160 1d7fa604c69dc6b58375322009caa226d70da56f

18802989 as geometric shapes

Circle

Radius = n
Diameter 37605978
Circumference 118142664.21586
Area 1.1107176078407E+15

Sphere

Radius = n
Volume 2.7846414616448E+22
Surface area 4.442870431363E+15
Circumference 118142664.21586

Square

Length = n
Perimeter 75211956
Area 353552395334121
Diagonal 26591442.056952

Cube

Length = n
Surface area 2121314372004726
Volume 6.6478418003911E+21
Space diagonal 32567732.282159

Equilateral Triangle

Length = n
Perimeter 56408967
Area 1.5309267796409E+14
Altitude 16283866.141079

Triangular Pyramid

Length = n
Surface area 1.5309267796409E+14
Volume 7.8345566955199E+20
Height 8863814.018984