18449985 (number)

18449985 is an odd 8-digits composite number following 18449984 and preceding 18449986. In scientific notation, it is written as 1.8449985 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 9839984 positive integers (up to 18449985) that are relatively prime to 18449985.

Interesting facts

Basic properties

Name

Name eighteen million four hundred forty-nine thousand nine hundred eighty-five

Notation

Scientific notation 1.8449985 × 10^7
Engineering notation 1.8449985 × 10^6

Prime Factorization of 18449985

Prime Factorization 3 × 5 × 1229999

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 18449985
Product of the distinct prime numbers

The prime factorization of 18449985 is 3 × 5 × 1229999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18449985)

Multiplication

n×y
n×2 36899970
n×3 55349955
n×4 73799940
n×5 92249925

Division

n÷y
n÷2 9224992.5
n÷3 6149995
n÷3 4612496.25
n÷5 3689997

Exponentiation

ny
n2 340401946500225
n3 6.2804108069E+21
n4 1.1587348518114E+29
n5 2.1378640634898E+36

Nth Root

y√n
2√n 4295.3445729068
3√n 264.24006801492
4√n 65.538878331162
5√n 28.392210321454

Divisors of 18449985

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18449984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18449985 can be divided by 8 positive divisors. The sum of these divisors (counting 18449985) is 1, the average is 0.125.

Base conversion 18449985

Base System Value
2 Binary 1000110011000011001000001
3 Ternary 1021201100121210
4 Quaternary 1012120121001
5 Quinary 14210344420
6 Senary 1455240333
8 Octal 106303101
10 Decimal 18449985
12 Duodecimal 62190a9
16 Hexadecimal 1198641
20 Vigesimal 5f64j5
36 Base36 azg3l

Cryptographic Hash Functions

md5 110dc52ba9ea0d7441a58229349f552e
sha1 862b768cff88c2a87d10d8c7776b2ab977129750
sha256 7430967037b732ef1d1ec75577278333151cbd1d9957f46f5d84dd5be7bf1dc5
sha512 81f24e8bfb2b7f41e83a8c178efb3a6c30a76b47af38e04356a2497a9b254f5b100955b4f98e8b6b1b98aeec0593c32750dfe86498e3217ad181e19926f1bb6c
ripemd-160 486a75939792e114fe99ad5a310d4aa831460024

18449985 as geometric shapes

Circle

Radius = n
Diameter 36899970
Circumference 115924674.66968
Area 1.0694042543928E+15

Sphere

Radius = n
Volume 2.6307323269977E+22
Surface area 4.2776170175711E+15
Circumference 115924674.66968

Square

Length = n
Perimeter 73799940
Area 340401946500225
Diagonal 26092219.01258

Cube

Length = n
Surface area 2042411679001350
Volume 6.2804108069E+21
Space diagonal 31956311.418884

Equilateral Triangle

Length = n
Perimeter 55349955
Area 1.4739836658343E+14
Altitude 15978155.709442

Triangular Pyramid

Length = n
Surface area 1.4739836658343E+14
Volume 7.4015351169937E+20
Height 8697406.3375267