18987068 (number)

18987068 is an even 8-digits composite number following 18987067 and preceding 18987069. In scientific notation, it is written as 1.8987068 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 9236880 positive integers (up to 18987068) that are relatively prime to 18987068.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred eighty-seven thousand sixty-eight

Notation

Scientific notation 1.8987068 × 10^7
Engineering notation 1.8987068 × 10^6

Prime Factorization of 18987068

Prime Factorization 2 × 2 × 37 × 128291

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9493534
Product of the distinct prime numbers

The prime factorization of 18987068 is 2 × 2 × 37 × 128291. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 18, 49, 532, 511, 3419, 6390, 15117, 49691, 847942, 897843, 9587023, 8826340, 86893456, 4279619, 689012852, 885572554, 4093463156, 5389267310

Basic calculations (n = 18987068)

Multiplication

n×y
n×2 37974136
n×3 56961204
n×4 75948272
n×5 94935340

Division

n÷y
n÷2 9493534
n÷3 6329022.6666667
n÷3 4746767
n÷5 3797413.6

Exponentiation

ny
n2 360508751236624
n3 6.8450041743249E+21
n4 1.2996655971819E+29
n5 2.4676839070953E+36

Nth Root

y√n
2√n 4357.4152889069
3√n 266.77961118428
4√n 66.0107210149
5√n 28.555619154685

Divisors of 18987068

1, 2, 4, 37, 74, 148, 128291, 256582, 513164, 4746767, 9493534, 18987068

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18987067
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18987068 can be divided by 12 positive divisors. The sum of these divisors (counting 18987068) is 1, the average is 0.083333333333333.

Base conversion 18987068

Base System Value
2 Binary 1001000011011100000111100
3 Ternary 1022201122100202
4 Quaternary 1020123200330
5 Quinary 14330041233
6 Senary 1514543032
8 Octal 110334074
10 Decimal 18987068
12 Duodecimal 6437a78
16 Hexadecimal 121b83c
20 Vigesimal 5id7d8
36 Base36 bayik

Cryptographic Hash Functions

md5 a7ceb43e52131b5686757652efcdf280
sha1 b6ac3aa3539a54683335ed682992085c5c099946
sha256 95f271ee6e5f34c2e2fe0caad553bd8d0ff3831afd704856bb7888ab7b082eb1
sha512 4bd199aefa5df488bbefbed230c801fb623f266885e56f89929614d80b0f77efb849db0ba14cc17d1d8c8cf21fd7f35b9d52d3e8fcb5b993810d55c0716f86a9
ripemd-160 711603d5ae2e4f0816ba29614109658730b283f1

18987068 as geometric shapes

Circle

Radius = n
Diameter 37974136
Circumference 119299266.68402
Area 1.1325716444398E+15

Sphere

Radius = n
Volume 2.8672286437134E+22
Surface area 4.5302865777592E+15
Circumference 119299266.68402

Square

Length = n
Perimeter 75948272
Area 360508751236624
Diagonal 26851769.0753

Cube

Length = n
Surface area 2163052507419744
Volume 6.8450041743249E+21
Space diagonal 32886566.462765

Equilateral Triangle

Length = n
Perimeter 56961204
Area 1.5610486842876E+14
Altitude 16443283.231383

Triangular Pyramid

Length = n
Surface area 1.5610486842876E+14
Volume 8.0669147815256E+20
Height 8950589.6917667