18987052 (number)

18987052 is an even 8-digits composite number following 18987051 and preceding 18987053. In scientific notation, it is written as 1.8987052 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 7783248 positive integers (up to 18987052) that are relatively prime to 18987052.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-seven thousand fifty-two

Notation

Scientific notation 1.8987052 × 10^7
Engineering notation 1.8987052 × 10^6

Prime Factorization of 18987052

Prime Factorization 2 × 2 × 7 × 23 × 29483

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9493526
Product of the distinct prime numbers

The prime factorization of 18987052 is 2 × 2 × 7 × 23 × 29483. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 15, 78, 38, 96, 7419, 1568, 49963, 1873, 381417, 362663, 2164191, 2548692, 53683856, 5124817, 867878822, 113345530, 2424390375, 1076256949

Basic calculations (n = 18987052)

Multiplication

n×y
n×2 37974104
n×3 56961156
n×4 75948208
n×5 94935260

Division

n÷y
n÷2 9493526
n÷3 6329017.3333333
n÷3 4746763
n÷5 3797410.4

Exponentiation

ny
n2 360508143650704
n3 6.8449868699194E+21
n4 1.2996612163848E+29
n5 2.4676735097881E+36

Nth Root

y√n
2√n 4357.4134529558
3√n 266.77953624775
4√n 66.010707108436
5√n 28.55561434204

Divisors of 18987052

1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 29483, 58966, 117932, 206381, 412762, 678109, 825524, 1356218, 2712436, 4746763, 9493526, 18987052

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18987051
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18987052 can be divided by 24 positive divisors. The sum of these divisors (counting 18987052) is 1, the average is 0.041666666666667.

Base conversion 18987052

Base System Value
2 Binary 1001000011011100000101100
3 Ternary 1022201122100011
4 Quaternary 1020123200230
5 Quinary 14330041202
6 Senary 1514543004
8 Octal 110334054
10 Decimal 18987052
12 Duodecimal 6437a64
16 Hexadecimal 121b82c
20 Vigesimal 5id7cc
36 Base36 bayi4

Cryptographic Hash Functions

md5 e7d12c9ffd77c5eb3bab5f42cfc9d3ea
sha1 1404fa21501b6eeed03a57300d640647f8c472c9
sha256 70b4d6098b33e37b5a6d17542d8750e067a5c9f205c411c7a6f7fc18777a63bc
sha512 3d82afe59a584f2bda835f07ac7ba0e04eea2c86719ae5d28e36c0b33feb3f998071a4a4ccec07d244028be2f2bca26cc64c66b865334d97782772fd38351e88
ripemd-160 eca0d83c797f3c728d4496e6a4bfec265eb7c251

18987052 as geometric shapes

Circle

Radius = n
Diameter 37974104
Circumference 119299166.15305
Area 1.1325697356523E+15

Sphere

Radius = n
Volume 2.867221395261E+22
Surface area 4.5302789426094E+15
Circumference 119299166.15305

Square

Length = n
Perimeter 75948208
Area 360508143650704
Diagonal 26851746.447883

Cube

Length = n
Surface area 2163048861904224
Volume 6.8449868699194E+21
Space diagonal 32886538.749952

Equilateral Triangle

Length = n
Perimeter 56961156
Area 1.5610460533634E+14
Altitude 16443269.374976

Triangular Pyramid

Length = n
Surface area 1.5610460533634E+14
Volume 8.0668943880881E+20
Height 8950582.1492944