18884985 (number)

18884985 is an odd 8-digits composite number following 18884984 and preceding 18884986. In scientific notation, it is written as 1.8884985 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 32 positive divisors. There are 8398080 positive integers (up to 18884985) that are relatively prime to 18884985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8884985 × 10^7
Engineering notation 1.8884985 × 10^6

Prime Factorization of 18884985

Prime Factorization 3 × 5 × 7 × 37 × 4861

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18884985
Product of the distinct prime numbers

The prime factorization of 18884985 is 3 × 5 × 7 × 37 × 4861. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 69, 58, 856, 104, 656, 1000, 65953, 52966, 298348, 142335, 2995744, 6720805, 85572970, 67216493, 52304648, 586512924, 4236819424, 3953226155

Basic calculations (n = 18884985)

Multiplication

n×y
n×2 37769970
n×3 56654955
n×4 75539940
n×5 94424925

Division

n÷y
n÷2 9442492.5
n÷3 6294995
n÷3 4721246.25
n÷5 3776997

Exponentiation

ny
n2 356642658450225
n3 6.7351912551926E+21
n4 1.2719398582644E+29
n5 2.4020565144226E+36

Nth Root

y√n
2√n 4345.6857916789
3√n 266.30064279461
4√n 65.921815749256
5√n 28.524847340921

Divisors of 18884985

1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 4861, 14583, 24305, 34027, 72915, 102081, 170135, 179857, 510405, 539571, 899285, 1258999, 2697855, 3776997, 6294995, 18884985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18884984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18884985 can be divided by 32 positive divisors. The sum of these divisors (counting 18884985) is 1, the average is 0.03125.

Base conversion 18884985

Base System Value
2 Binary 1001000000010100101111001
3 Ternary 1022112110022220
4 Quaternary 1020002211321
5 Quinary 14313304420
6 Senary 1512434253
8 Octal 110024571
10 Decimal 18884985
12 Duodecimal 63a8989
16 Hexadecimal 1202979
20 Vigesimal 5i0c95
36 Base36 b8rqx

Cryptographic Hash Functions

md5 f83c11b61a10ef91f9bace64f99947ca
sha1 d07cf2de6b32aab05b5b689c3335234115b4fc99
sha256 958843e3ceaaee2fafa3f688eb5fcdf9079aef1b0376d17c9e667a74c35b09dc
sha512 043b29f1ba53df6f14d6efdad1c0ab194fe955bfd1fa12ab28abc11cb512774683fa925a6983a4d170e8c22be4cfc135a0396eeb7a140652cabdf3e86290737e
ripemd-160 adf90ecf96952d8c072e850fef670301ed122708

18884985 as geometric shapes

Circle

Radius = n
Diameter 37769970
Circumference 118657860.27831
Area 1.120425955744E+15

Sphere

Radius = n
Volume 2.8212303157114E+22
Surface area 4.4817038229758E+15
Circumference 118657860.27831

Square

Length = n
Perimeter 75539940
Area 356642658450225
Diagonal 26707401.912212

Cube

Length = n
Surface area 2139855950701350
Volume 6.7351912551926E+21
Space diagonal 32709753.520176

Equilateral Triangle

Length = n
Perimeter 56654955
Area 1.5443080114556E+14
Altitude 16354876.760088

Triangular Pyramid

Length = n
Surface area 1.5443080114556E+14
Volume 7.9374990152251E+20
Height 8902467.3040708