28688005 (number)

28688005 is an odd 8-digits composite number following 28688004 and preceding 28688006. In scientific notation, it is written as 2.8688005 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 21742416 positive integers (up to 28688005) that are relatively prime to 28688005.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-eight thousand five

Notation

Scientific notation 2.8688005 × 10^7
Engineering notation 2.8688005 × 10^6

Prime Factorization of 28688005

Prime Factorization 5 × 19 × 301979

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28688005
Product of the distinct prime numbers

The prime factorization of 28688005 is 5 × 19 × 301979. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28688005)

Multiplication

n×y
n×2 57376010
n×3 86064015
n×4 114752020
n×5 143440025

Division

n÷y
n÷2 14344002.5
n÷3 9562668.3333333
n÷3 7172001.25
n÷5 5737601

Exponentiation

ny
n2 823001630880025
n3 2.3610274901694E+22
n4 6.7733168443118E+29
n5 1.943129474962E+37

Nth Root

y√n
2√n 5356.1184639625
3√n 306.12592891721
4√n 73.185507198915
5√n 31.012735100615

Divisors of 28688005

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28688004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28688005 can be divided by 8 positive divisors. The sum of these divisors (counting 28688005) is 1, the average is 0.125.

Base conversion 28688005

Base System Value
2 Binary 1101101011011111010000101
3 Ternary 1222222111112201
4 Quaternary 1231123322011
5 Quinary 24321004010
6 Senary 2502514501
8 Octal 155337205
10 Decimal 28688005
12 Duodecimal 9735a31
16 Hexadecimal 1b5be85
20 Vigesimal 8j6005
36 Base36 h2vt1

Cryptographic Hash Functions

md5 9fce1fc157ae38d6bb0c438c13369db3
sha1 1d01d088697daaf1a191208d0a825abe2525dfa0
sha256 12f22c89ab72a35d71697948c771166fbfd2678ebb868232801819641e2026ed
sha512 ee680f9628e8c6bdde76f242394e9bd9f91c2c62a551cf1c31099c46643a56b9d50fa7f27c8ad94a8eb36ed748617326d8be3dc54fa1923346e2df14da4027da
ripemd-160 3c4790c9aee99104e36596f4e02be9eb6613f663

28688005 as geometric shapes

Circle

Radius = n
Diameter 57376010
Circumference 180252051.50829
Area 2.5855358774651E+15

Sphere

Radius = n
Volume 9.8898488240531E+22
Surface area 1.034214350986E+16
Circumference 180252051.50829

Square

Length = n
Perimeter 114752020
Area 823001630880025
Diagonal 40570965.748427

Cube

Length = n
Surface area 4938009785280150
Volume 2.3610274901694E+22
Space diagonal 49689082.22779

Equilateral Triangle

Length = n
Perimeter 86064015
Area 3.5637015984906E+14
Altitude 24844541.113895

Triangular Pyramid

Length = n
Surface area 3.5637015984906E+14
Volume 2.7824975814444E+21
Height 13523655.249476