18984988 (number)

18984988 is an even 8-digits composite number following 18984987 and preceding 18984989. In scientific notation, it is written as 1.8984988 × 10^7. The sum of its digits is 55. It has a total of 6 prime factors and 36 positive divisors. There are 8116480 positive integers (up to 18984988) that are relatively prime to 18984988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8984988 × 10^7
Engineering notation 1.8984988 × 10^6

Prime Factorization of 18984988

Prime Factorization 2 × 2 × 17 × 17 × 11 × 1493

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 558382
Product of the distinct prime numbers

The prime factorization of 18984988 is 2 × 2 × 17 × 17 × 11 × 1493. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 8, 94, 8, 421, 66, 4520, 9592, 41682, 55815, 246738, 49351, 9732285, 6237243, 94426378, 75904759, 323181463, 525000273, 7731024249, 8899297563

Basic calculations (n = 18984988)

Multiplication

n×y
n×2 37969976
n×3 56954964
n×4 75939952
n×5 94924940

Division

n÷y
n÷2 9492494
n÷3 6328329.3333333
n÷3 4746247
n÷5 3796997.6

Exponentiation

ny
n2 360429769360144
n3 6.8427548461451E+21
n4 1.2990961864101E+29
n5 2.4663325509841E+36

Nth Root

y√n
2√n 4357.1766087686
3√n 266.76986908236
4√n 66.008913100949
5√n 28.554993483668

Divisors of 18984988

1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1493, 2986, 3179, 5972, 6358, 12716, 16423, 25381, 32846, 50762, 65692, 101524, 279191, 431477, 558382, 862954, 1116764, 1725908, 4746247, 9492494, 18984988

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18984987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18984988 can be divided by 36 positive divisors. The sum of these divisors (counting 18984988) is 1, the average is 0.027777777777778.

Base conversion 18984988

Base System Value
2 Binary 1001000011011000000011100
3 Ternary 1022201112111201
4 Quaternary 1020123000130
5 Quinary 14330004423
6 Senary 1514525244
8 Octal 110330034
10 Decimal 18984988
12 Duodecimal 6436824
16 Hexadecimal 121b01c
20 Vigesimal 5id298
36 Base36 bawws

Cryptographic Hash Functions

md5 a689f5fe93fccd5ebc639bfbd86be53b
sha1 4d085c353f48298214087c7f9e00850e7019a71a
sha256 022c94a923751db0ce839298359ebb9910f49b5e89b3b8bd62d426ede1d1093f
sha512 e163bda90b77993657481ea3d00c55ac775cbba4f6d06f8aede8fba3255dbc62fe8460c32d7b5edf536466e61bf86259ad403ec664dc44b9766581705bedcf00
ripemd-160 a617762b0c564dbd46b60fdadaad6649122d8973

18984988 as geometric shapes

Circle

Radius = n
Diameter 37969976
Circumference 119286197.65858
Area 1.1323235155569E+15

Sphere

Radius = n
Volume 2.8662864473287E+22
Surface area 4.5292940622276E+15
Circumference 119286197.65858

Square

Length = n
Perimeter 75939952
Area 360429769360144
Diagonal 26848827.51109

Cube

Length = n
Surface area 2162578616160864
Volume 6.8427548461451E+21
Space diagonal 32882963.797085

Equilateral Triangle

Length = n
Perimeter 56954964
Area 1.5607066827303E+14
Altitude 16441481.898543

Triangular Pyramid

Length = n
Surface area 1.5607066827303E+14
Volume 8.0642639228439E+20
Height 8949609.1703635