28688007 (number)

28688007 is an odd 8-digits composite number following 28688006 and preceding 28688008. In scientific notation, it is written as 2.8688007 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 19125336 positive integers (up to 28688007) that are relatively prime to 28688007.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8688007 × 10^7
Engineering notation 2.8688007 × 10^6

Prime Factorization of 28688007

Prime Factorization 3 × 9562669

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28688007
Product of the distinct prime numbers

The prime factorization of 28688007 is 3 × 9562669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28688007)

Multiplication

n×y
n×2 57376014
n×3 86064021
n×4 114752028
n×5 143440035

Division

n÷y
n÷2 14344003.5
n÷3 9562669
n÷3 7172001.75
n÷5 5737601.4

Exponentiation

ny
n2 823001745632049
n3 2.3610279839704E+22
n4 6.773318733134E+29
n5 1.9431301522938E+37

Nth Root

y√n
2√n 5356.1186506649
3√n 306.12593603112
4√n 73.185508474457
5√n 31.012735533028

Divisors of 28688007

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 -28688006
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 28688007 can be divided by 4 positive divisors. The sum of these divisors (counting 28688007) is 1, the average is 0.25.

Base conversion 28688007

Base System Value
2 Binary 1101101011011111010000111
3 Ternary 1222222111112210
4 Quaternary 1231123322013
5 Quinary 24321004012
6 Senary 2502514503
8 Octal 155337207
10 Decimal 28688007
12 Duodecimal 9735a33
16 Hexadecimal 1b5be87
20 Vigesimal 8j6007
36 Base36 h2vt3

Cryptographic Hash Functions

md5 438fea30b6645f598817af7759627d3f
sha1 0e80694efed5f3257fdb98aca6e69ea6684bcd1a
sha256 c0be9bb468c46e4f9a4fa6fa700b86f6976ae18438a7f678210bad45b4eb1ee6
sha512 6745e2df178a7324cb321c6e9ff8d6f70c3d1fdeb7e017516a262edad862e8ec8e17f872df2b7f32a860ce68858072d91388561c0baecc62051205d1d92d669a
ripemd-160 5a06d93d159fdeb79aa67577c06a80a7acf0bc4e

28688007 as geometric shapes

Circle

Radius = n
Diameter 57376014
Circumference 180252064.07467
Area 2.5855362379692E+15

Sphere

Radius = n
Volume 9.889850892482E+22
Surface area 1.0342144951877E+16
Circumference 180252064.07467

Square

Length = n
Perimeter 114752028
Area 823001745632049
Diagonal 40570968.576854

Cube

Length = n
Surface area 4938010473792294
Volume 2.3610279839704E+22
Space diagonal 49689085.691892

Equilateral Triangle

Length = n
Perimeter 86064021
Area 3.5637020953815E+14
Altitude 24844542.845946

Triangular Pyramid

Length = n
Surface area 3.5637020953815E+14
Volume 2.7824981633945E+21
Height 13523656.192285