18454989 (number)

18454989 is an odd 8-digits composite number following 18454988 and preceding 18454990. In scientific notation, it is written as 1.8454989 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 10516080 positive integers (up to 18454989) that are relatively prime to 18454989.

Interesting facts

Basic properties

Name

Name eighteen million four hundred fifty-four thousand nine hundred eighty-nine

Notation

Scientific notation 1.8454989 × 10^7
Engineering notation 1.8454989 × 10^6

Prime Factorization of 18454989

Prime Factorization 3 × 7 × 431 × 2039

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18454989
Product of the distinct prime numbers

The prime factorization of 18454989 is 3 × 7 × 431 × 2039. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 79, 11, 505, 266, 2289, 4128, 2985, 65028, 281467, 590175, 9973921, 385771, 45173956, 76659321, 473463357, 494848801, 2136669364, 6400120113

Basic calculations (n = 18454989)

Multiplication

n×y
n×2 36909978
n×3 55364967
n×4 73819956
n×5 92274945

Division

n÷y
n÷2 9227494.5
n÷3 6151663
n÷3 4613747.25
n÷5 3690997.8

Exponentiation

ny
n2 340586618990121
n3 6.2855223070099E+21
n4 1.1599924503512E+29
n5 2.1407647911315E+36

Nth Root

y√n
2√n 4295.9270245199
3√n 264.26395489573
4√n 65.543321738525
5√n 28.393750259938

Divisors of 18454989

1, 3, 7, 21, 431, 1293, 2039, 3017, 6117, 9051, 14273, 42819, 878809, 2636427, 6151663, 18454989

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 -18454988
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 18454989 can be divided by 16 positive divisors. The sum of these divisors (counting 18454989) is 1, the average is 0.0625.

Base conversion 18454989

Base System Value
2 Binary 1000110011001100111001101
3 Ternary 1021201121111010
4 Quaternary 1012121213031
5 Quinary 14211024424
6 Senary 1455315433
8 Octal 106314715
10 Decimal 18454989
12 Duodecimal 621bb79
16 Hexadecimal 11999cd
20 Vigesimal 5f6h99
36 Base36 azjyl

Cryptographic Hash Functions

md5 321d80bce4d11a2213c1ef8f2477db0d
sha1 824630391b26458396f9a30da9af51d193c14467
sha256 4293917f39ae577a0d3b4fede64b0c7322124453dbbd0c0f6f7d721d6a962dcb
sha512 8dca5417925296e59bad8e86df59c1a2c6e1711978d2155e2da4b43146ddd3aaca9a3410f0a4c78603c61bcd69f21a26abc964d885cdcdf528693cea4bba63d8
ripemd-160 cc323ce30282cf54bc137d1d0b376b1af8d53e94

18454989 as geometric shapes

Circle

Radius = n
Diameter 36909978
Circumference 115956115.72896
Area 1.0699844201304E+15

Sphere

Radius = n
Volume 2.6328734271569E+22
Surface area 4.2799376805214E+15
Circumference 115956115.72896

Square

Length = n
Perimeter 73819956
Area 340586618990121
Diagonal 26099295.737246

Cube

Length = n
Surface area 2043519713940726
Volume 6.2855223070099E+21
Space diagonal 31964978.601125

Equilateral Triangle

Length = n
Perimeter 55364967
Area 1.4747833211725E+14
Altitude 15982489.300562

Triangular Pyramid

Length = n
Surface area 1.4747833211725E+14
Volume 7.4075590776433E+20
Height 8699765.2457488