28687568 (number)

28687568 is an even 8-digits composite number following 28687567 and preceding 28687569. In scientific notation, it is written as 2.8687568 × 10^7. The sum of its digits is 50. It has a total of 8 prime factors and 80 positive divisors. There are 9953280 positive integers (up to 28687568) that are relatively prime to 28687568.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8687568 × 10^7
Engineering notation 2.8687568 × 10^6

Prime Factorization of 28687568

Prime Factorization 2 × 2 × 2 × 2 × 7 × 323 × 13 × 61

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3585946
Product of the distinct prime numbers

The prime factorization of 28687568 is 2 × 2 × 2 × 2 × 7 × 323 × 13 × 61. Since it has a total of 8 prime factors.

Most popular turbo-numbers

5, 2, 84, 91, 499, 428, 8630, 9335, 27057, 92985, 165604, 98797, 7242285, 2395027, 60502351, 13971881, 180087777, 966489811, 8760396061, 7688662042

Basic calculations (n = 28687568)

Multiplication

n×y
n×2 57375136
n×3 86062704
n×4 114750272
n×5 143437840

Division

n÷y
n÷2 14343784
n÷3 9562522.6666667
n÷3 7171892
n÷5 5737513.6

Exponentiation

ny
n2 822976557754624
n3 2.3609195962992E+22
n4 6.7729041461365E+29
n5 1.9429814824977E+37

Nth Root

y√n
2√n 5356.0776693398
3√n 306.12437451947
4√n 73.185228491409
5√n 31.012640617587

Divisors of 28687568

1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 323, 364, 427, 488, 646, 728, 793, 854, 976, 1292, 1456, 1586, 1708, 2261, 2584, 3172, 3416, 4199, 4522, 5168, 5551, 6344, 6832, 8398, 9044, 11102, 12688, 16796, 18088, 19703, 22204, 29393, 33592, 36176, 39406, 44408, 58786, 67184, 78812, 88816, 117572, 137921, 157624, 235144, 256139, 275842, 315248, 470288, 512278, 551684, 1024556, 1103368, 1792973, 2049112, 2206736, 3585946, 4098224, 7171892, 14343784, 28687568

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28687567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28687568 can be divided by 80 positive divisors. The sum of these divisors (counting 28687568) is 1, the average is 0.0125.

Base conversion 28687568

Base System Value
2 Binary 1101101011011110011010000
3 Ternary 1222222110221112
4 Quaternary 1231123303100
5 Quinary 24321000233
6 Senary 2502512452
8 Octal 155336320
10 Decimal 28687568
12 Duodecimal 9735728
16 Hexadecimal 1b5bcd0
20 Vigesimal 8j5ii8
36 Base36 h2vgw

Cryptographic Hash Functions

md5 e8b8c7ec6135fcb39c4a65ca1bf33fca
sha1 e4af8b9d04faecc27f4f154c9b3fbd9117bd0207
sha256 f37f91daa226f0b2b55fdcfe43029be07ad4cc9ee6b8b22eb306d6c70a019d7d
sha512 763c3ddff8925e3ff6cd6b3af764d50575db8abf31be7c9e77be9dbe18b5bc5d7202f8c422d748242261e63f9fd1d524cb786266c45e6d345896627e6c86874c
ripemd-160 1d1e6177499ad11806a855dbdd53c26f0955340a

28687568 as geometric shapes

Circle

Radius = n
Diameter 57375136
Circumference 180249305.75632
Area 2.5854571079185E+15

Sphere

Radius = n
Volume 9.8893968792662E+22
Surface area 1.0341828431674E+16
Circumference 180249305.75632

Square

Length = n
Perimeter 114750272
Area 822976557754624
Diagonal 40570347.7371

Cube

Length = n
Surface area 4937859346527744
Volume 2.3609195962992E+22
Space diagonal 49688325.321587

Equilateral Triangle

Length = n
Perimeter 86062704
Area 3.5635930286729E+14
Altitude 24844162.660794

Triangular Pyramid

Length = n
Surface area 3.5635930286729E+14
Volume 2.7823704272989E+21
Height 13523449.2457