18993886 (number)

18993886 is an even 8-digits composite number following 18993885 and preceding 18993887. In scientific notation, it is written as 1.8993886 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors. There are 9077400 positive integers (up to 18993886) that are relatively prime to 18993886.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-three thousand eight hundred eighty-six

Notation

Scientific notation 1.8993886 × 10^7
Engineering notation 1.8993886 × 10^6

Prime Factorization of 18993886

Prime Factorization 2 × 31 × 83 × 3691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 18993886
Product of the distinct prime numbers

The prime factorization of 18993886 is 2 × 31 × 83 × 3691. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 1, 12, 96, 185, 588, 5691, 5874, 25343, 18246, 206721, 608639, 3459493, 1336269, 69340138, 67198129, 509095557, 759727478, 8001189181, 178641763

Basic calculations (n = 18993886)

Multiplication

n×y
n×2 37987772
n×3 56981658
n×4 75975544
n×5 94969430

Division

n÷y
n÷2 9496943
n÷3 6331295.3333333
n÷3 4748471.5
n÷5 3798777.2

Exponentiation

ny
n2 360767705380996
n3 6.8523806684882E+21
n4 1.3015333724587E+29
n5 2.4721176501676E+36

Nth Root

y√n
2√n 4358.1975632135
3√n 266.81153968281
4√n 66.016646106974
5√n 28.557669647714

Divisors of 18993886

1, 2, 31, 62, 83, 166, 2573, 3691, 5146, 7382, 114421, 228842, 306353, 612706, 9496943, 18993886

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 -18993885
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 18993886 can be divided by 16 positive divisors. The sum of these divisors (counting 18993886) is 1, the average is 0.0625.

Base conversion 18993886

Base System Value
2 Binary 1001000011101001011011110
3 Ternary 1022201222201021
4 Quaternary 1020131023132
5 Quinary 14330301021
6 Senary 1515034354
8 Octal 110351336
10 Decimal 18993886
12 Duodecimal 643b9ba
16 Hexadecimal 121d2de
20 Vigesimal 5ie4e6
36 Base36 bb3ry

Cryptographic Hash Functions

md5 d4a168ab91d0cd19f8be9bbd356816d1
sha1 67f79154407f16ac7c46ea03d0c0aa80cda0d7a0
sha256 1908fe27cbe055cfc3bb455d5dbc52751eecbeb9a172f6582c8c322dbd0607f7
sha512 5bed931a46a6ec658633dc6380c2aeea58a27f50eb30672e3f16c10d58945383ab6f49330696022df3f4110fdefcdb9a68a77a3e5dbbb1f09ad709ee258d781a
ripemd-160 f6b34adcd5e06f92ca87a6846220939572e206ff

18993886 as geometric shapes

Circle

Radius = n
Diameter 37987772
Circumference 119342105.44144
Area 1.1333851728774E+15

Sphere

Radius = n
Volume 2.8703185023631E+22
Surface area 4.5335406915095E+15
Circumference 119342105.44144

Square

Length = n
Perimeter 75975544
Area 360767705380996
Diagonal 26861411.183368

Cube

Length = n
Surface area 2164606232285976
Volume 6.8523806684882E+21
Space diagonal 32898375.585171

Equilateral Triangle

Length = n
Perimeter 56981658
Area 1.5621699886248E+14
Altitude 16449187.792586

Triangular Pyramid

Length = n
Surface area 1.5621699886248E+14
Volume 8.0756080632661E+20
Height 8953803.7277895