28687005 (number)

28687005 is an odd 8-digits composite number following 28687004 and preceding 28687006. In scientific notation, it is written as 2.8687005 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 15299712 positive integers (up to 28687005) that are relatively prime to 28687005.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687005 × 10^7
Engineering notation 2.8687005 × 10^6

Prime Factorization of 28687005

Prime Factorization 15 × 3 × 637489

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28687005
Product of the distinct prime numbers

The prime factorization of 28687005 is 15 × 3 × 637489. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 36, 37, 822, 475, 1966, 9307, 4605, 39437, 522921, 63093, 331218, 5171228, 5162279, 24206138, 514601578, 98128723, 6880099204, 1360416479

Basic calculations (n = 28687005)

Multiplication

n×y
n×2 57374010
n×3 86061015
n×4 114748020
n×5 143435025

Division

n÷y
n÷2 14343502.5
n÷3 9562335
n÷3 7171751.25
n÷5 5737401

Exponentiation

ny
n2 822944255870025
n3 2.3607805982865E+22
n4 6.7723724826947E+29
n5 1.9427908327293E+37

Nth Root

y√n
2√n 5356.025111965
3√n 306.12237191971
4√n 73.184869419608
5√n 31.012518890616

Divisors of 28687005

1, 3, 15, 45, 637489, 1912467, 9562335, 28687005

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 -28687004
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 28687005 can be divided by 8 positive divisors. The sum of these divisors (counting 28687005) is 1, the average is 0.125.

Base conversion 28687005

Base System Value
2 Binary 1101101011011101010011101
3 Ternary 1222222110011200
4 Quaternary 1231123222131
5 Quinary 24320441010
6 Senary 2502510113
8 Octal 155335235
10 Decimal 28687005
12 Duodecimal 9735339
16 Hexadecimal 1b5ba9d
20 Vigesimal 8j5ha5
36 Base36 h2v19

Cryptographic Hash Functions

md5 7e10606ab15fd826b66088ef2e139a10
sha1 d3ba54c530126e7ede268d8beccd17b426ce8a69
sha256 27b1aeef12f60b5c79a460c3369226a8d02d35fcd35b223f96e10227340abe91
sha512 8ac5d113c54460648733cb8d5211e0e791353b621152527ada27bc2a6afc5efcb903ed459736c56908da3fe50bf22d386362a71dc1cf39429a9e7341ea776e79
ripemd-160 de522f6d6def373621ecf6a482898ef3147a2d1e

28687005 as geometric shapes

Circle

Radius = n
Diameter 57374010
Circumference 180245768.32299
Area 2.5853556285552E+15

Sphere

Radius = n
Volume 9.8888146457521E+22
Surface area 1.0341422514221E+16
Circumference 180245768.32299

Square

Length = n
Perimeter 114748020
Area 822944255870025
Diagonal 40569551.534865

Cube

Length = n
Surface area 4937665535220150
Volume 2.3607805982865E+22
Space diagonal 49687350.176982

Equilateral Triangle

Length = n
Perimeter 86061015
Area 3.5634531574096E+14
Altitude 24843675.088491

Triangular Pyramid

Length = n
Surface area 3.5634531574096E+14
Volume 2.78220661657E+21
Height 13523183.844955