28687039 (number)

28687039 is an odd 8-digits composite number following 28687038 and preceding 28687040. In scientific notation, it is written as 2.8687039 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 28200760 positive integers (up to 28687039) that are relatively prime to 28687039.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand thirty-nine

Notation

Scientific notation 2.8687039 × 10^7
Engineering notation 2.8687039 × 10^6

Prime Factorization of 28687039

Prime Factorization 59 × 486221

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28687039
Product of the distinct prime numbers

The prime factorization of 28687039 is 59 × 486221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28687039)

Multiplication

n×y
n×2 57374078
n×3 86061117
n×4 114748156
n×5 143435195

Division

n÷y
n÷2 14343519.5
n÷3 9562346.3333333
n÷3 7171759.75
n÷5 5737407.8

Exponentiation

ny
n2 822946206587521
n3 2.3607889923278E+22
n4 6.7724045893679E+29
n5 1.9428023457898E+37

Nth Root

y√n
2√n 5356.0282859597
3√n 306.12249285898
4√n 73.184891104378
5√n 31.012526241855

Divisors of 28687039

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687038
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687039 can be divided by 4 positive divisors. The sum of these divisors (counting 28687039) is 1, the average is 0.25.

Base conversion 28687039

Base System Value
2 Binary 1101101011011101010111111
3 Ternary 1222222110012221
4 Quaternary 1231123222333
5 Quinary 24320441124
6 Senary 2502510211
8 Octal 155335277
10 Decimal 28687039
12 Duodecimal 9735367
16 Hexadecimal 1b5babf
20 Vigesimal 8j5hbj
36 Base36 h2v27

Cryptographic Hash Functions

md5 ca34e1f94bb4259fb087eefabfc1227e
sha1 2918e08dbc3cd74943ad5b4a94257844d54c1040
sha256 87636c69f9f5597d064bad221371bb7df2bdb8931c92fca42f2b35c072d7cea0
sha512 9fa9bd8b9ee6ee0ee1d7eb45d280a260c5c4759b9bea8a766f04da9c9d590f91440fd713325523c22697c9dba46edf49e301f51ba028cb9c8a1938894c8b5777
ripemd-160 e14e2ccf904298ceceb0f6e536ac52ed5c52e289

28687039 as geometric shapes

Circle

Radius = n
Diameter 57374078
Circumference 180245981.95129
Area 2.5853617569149E+15

Sphere

Radius = n
Volume 9.8888498066303E+22
Surface area 1.034144702766E+16
Circumference 180245981.95129

Square

Length = n
Perimeter 114748156
Area 822946206587521
Diagonal 40569599.618126

Cube

Length = n
Surface area 4937677239525126
Volume 2.3607889923278E+22
Space diagonal 49687409.06671

Equilateral Triangle

Length = n
Perimeter 86061117
Area 3.5634616042641E+14
Altitude 24843704.533355

Triangular Pyramid

Length = n
Surface area 3.5634616042641E+14
Volume 2.7822165090426E+21
Height 13523199.872709