28687068 (number)

28687068 is an even 8-digits composite number following 28687067 and preceding 28687069. In scientific notation, it is written as 2.8687068 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 9562320 positive integers (up to 28687068) that are relatively prime to 28687068.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand sixty-eight

Notation

Scientific notation 2.8687068 × 10^7
Engineering notation 2.8687068 × 10^6

Prime Factorization of 28687068

Prime Factorization 2 × 2 × 27 × 265621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14343534
Product of the distinct prime numbers

The prime factorization of 28687068 is 2 × 2 × 27 × 265621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 93, 17, 33, 747, 513, 4976, 87742, 32983, 43299, 475265, 9621578, 4633346, 74148177, 59959273, 878002171, 613488922, 9019239831, 212805154

Basic calculations (n = 28687068)

Multiplication

n×y
n×2 57374136
n×3 86061204
n×4 114748272
n×5 143435340

Division

n÷y
n÷2 14343534
n÷3 9562356
n÷3 7171767
n÷5 5737413.6

Exponentiation

ny
n2 822947870436624
n3 2.3607961519671E+22
n4 6.7724319745617E+29
n5 1.9428121657963E+37

Nth Root

y√n
2√n 5356.0309931889
3√n 306.12259601299
4√n 73.184909600196
5√n 31.012532512024

Divisors of 28687068

1, 2, 4, 27, 54, 108, 265621, 531242, 1062484, 7171767, 14343534, 28687068

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 -28687067
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 28687068 can be divided by 12 positive divisors. The sum of these divisors (counting 28687068) is 1, the average is 0.083333333333333.

Base conversion 28687068

Base System Value
2 Binary 1101101011011101011011100
3 Ternary 1222222110021000
4 Quaternary 1231123223130
5 Quinary 24320441233
6 Senary 2502510300
8 Octal 155335334
10 Decimal 28687068
12 Duodecimal 9735390
16 Hexadecimal 1b5badc
20 Vigesimal 8j5hd8
36 Base36 h2v30

Cryptographic Hash Functions

md5 937a0973ef3b3f049924047faedec2a7
sha1 1bdc769d57d358044ad5d8c945acceb41d5f8597
sha256 668ef1840b6351acf9631eb936454e77b98dd7c6147ab39c702ba48fb85357c2
sha512 eba0f889ddc2edfcfe3f76afc332b74fd03f90c6b5045fb6a3ae0ceec56c3aedd987e2beb2e9a8e464f202c045a8a115207766be4f4ace11abf2911de2b8b6dd
ripemd-160 aa46317eba061ba40f62d7505d2a52605bd7c4f5

28687068 as geometric shapes

Circle

Radius = n
Diameter 57374136
Circumference 180246164.16366
Area 2.5853669840511E+15

Sphere

Radius = n
Volume 9.888879796857E+22
Surface area 1.0341467936204E+16
Circumference 180246164.16366

Square

Length = n
Perimeter 114748272
Area 822947870436624
Diagonal 40569640.630319

Cube

Length = n
Surface area 4937687222619744
Volume 2.3607961519671E+22
Space diagonal 49687459.296183

Equilateral Triangle

Length = n
Perimeter 86061204
Area 3.5634688089421E+14
Altitude 24843729.648092

Triangular Pyramid

Length = n
Surface area 3.5634688089421E+14
Volume 2.7822249467584E+21
Height 13523213.54344