28687572 (number)

28687572 is an even 8-digits composite number following 28687571 and preceding 28687573. In scientific notation, it is written as 2.8687572 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 9562512 positive integers (up to 28687572) that are relatively prime to 28687572.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687572 × 10^7
Engineering notation 2.8687572 × 10^6

Prime Factorization of 28687572

Prime Factorization 2 × 2 × 9 × 796877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14343786
Product of the distinct prime numbers

The prime factorization of 28687572 is 2 × 2 × 9 × 796877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 21, 38, 595, 45, 2485, 3323, 96710, 24311, 29243, 181283, 7649541, 9933625, 47808351, 93821908, 955277650, 918739696, 8186102279, 8205423107

Basic calculations (n = 28687572)

Multiplication

n×y
n×2 57375144
n×3 86062716
n×4 114750288
n×5 143437860

Division

n÷y
n÷2 14343786
n÷3 9562524
n÷3 7171893
n÷5 5737514.4

Exponentiation

ny
n2 822976787255184
n3 2.3609205838712E+22
n4 6.7729079236086E+29
n5 1.9429828370789E+37

Nth Root

y√n
2√n 5356.0780427473
3√n 306.12438874744
4√n 73.185231042522
5√n 31.012641482425

Divisors of 28687572

1, 2, 4, 9, 18, 36, 796877, 1593754, 3187508, 7171893, 14343786, 28687572

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 -28687571
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 28687572 can be divided by 12 positive divisors. The sum of these divisors (counting 28687572) is 1, the average is 0.083333333333333.

Base conversion 28687572

Base System Value
2 Binary 1101101011011110011010100
3 Ternary 1222222110221200
4 Quaternary 1231123303110
5 Quinary 24321000242
6 Senary 2502512500
8 Octal 155336324
10 Decimal 28687572
12 Duodecimal 9735730
16 Hexadecimal 1b5bcd4
20 Vigesimal 8j5iic
36 Base36 h2vh0

Cryptographic Hash Functions

md5 f5f1d9301438fe69721c279a220556eb
sha1 a320dee02db352139fc30af8f13d814739471c95
sha256 93a812f56777790dbd23a55246edb1e5165c9486a2579aa37d844a393b85d4a4
sha512 e1ea62a22cfa21c6e6ebcd9de937dd71f41816eba049f9705fcc7aacfbb0d4a6018d2dae57fdb6ce73f4f4c07eb4f1fd5491caf53d98cbdbd8983cdf4424ec35
ripemd-160 b68867d8f0c1c50ee1c2fc60747ce37d34a574ad

28687572 as geometric shapes

Circle

Radius = n
Diameter 57375144
Circumference 180249330.88906
Area 2.5854578289158E+15

Sphere

Radius = n
Volume 9.8894010159982E+22
Surface area 1.0341831315663E+16
Circumference 180249330.88906

Square

Length = n
Perimeter 114750288
Area 822976787255184
Diagonal 40570353.393955

Cube

Length = n
Surface area 4937860723531104
Volume 2.3609205838712E+22
Space diagonal 49688332.24979

Equilateral Triangle

Length = n
Perimeter 86062716
Area 3.5635940224395E+14
Altitude 24844166.124895

Triangular Pyramid

Length = n
Surface area 3.5635940224395E+14
Volume 2.7823715911637E+21
Height 13523451.131318