28668872 (number)

28668872 is an even 8-digits composite number following 28668871 and preceding 28668873. In scientific notation, it is written as 2.8668872 × 10^7. The sum of its digits is 47. It has a total of 6 prime factors and 32 positive divisors. There are 13287744 positive integers (up to 28668872) that are relatively prime to 28668872.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-eight thousand eight hundred seventy-two

Notation

Scientific notation 2.8668872 × 10^7
Engineering notation 2.8668872 × 10^6

Prime Factorization of 28668872

Prime Factorization 2 × 2 × 2 × 19 × 47 × 4013

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7167218
Product of the distinct prime numbers

The prime factorization of 28668872 is 2 × 2 × 2 × 19 × 47 × 4013. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 7, 97, 34, 43, 829, 1379, 7510, 80851, 2358, 382413, 68721, 1396487, 7894363, 83622447, 95183382, 50124736, 591363255, 2624607126, 1062708731

Basic calculations (n = 28668872)

Multiplication

n×y
n×2 57337744
n×3 86006616
n×4 114675488
n×5 143344360

Division

n÷y
n÷2 14334436
n÷3 9556290.6666667
n÷3 7167218
n÷5 5733774.4

Exponentiation

ny
n2 821904221752384
n3 2.3563066929679E+22
n4 6.7552654973439E+29
n5 1.9366584186937E+37

Nth Root

y√n
2√n 5354.3320778599
3√n 306.05785853981
4√n 73.173301673903
5√n 31.008597308401

Divisors of 28668872

1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3572, 4013, 7144, 8026, 16052, 32104, 76247, 152494, 188611, 304988, 377222, 609976, 754444, 1508888, 3583609, 7167218, 14334436, 28668872

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28668871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28668872 can be divided by 32 positive divisors. The sum of these divisors (counting 28668872) is 1, the average is 0.03125.

Base conversion 28668872

Base System Value
2 Binary 1101101010111001111001000
3 Ternary 1222221112022002
4 Quaternary 1231113033020
5 Quinary 24314400442
6 Senary 2502250132
8 Octal 155271710
10 Decimal 28668872
12 Duodecimal 9726948
16 Hexadecimal 1b573c8
20 Vigesimal 8j3c3c
36 Base36 h2h1k

Cryptographic Hash Functions

md5 b6ee88ff02199bb230d615a969b4722b
sha1 95dc438305022e788d850c1b54d980dbcf0d7b2d
sha256 3629e591011f76a40bbed74ede6bea056444c4e52dac381f8803a3e8c520b75d
sha512 4e3adaeb6857756b6e5c4ccab82a73812b86a428e307399eddc4958a476b047b00f806ae0c4b9ce886098ac79a744556e6b16fa673a2ccac48301611b43d2acb
ripemd-160 28b2c5fd522005a287fd2a967d42aa9fec3f980a

28668872 as geometric shapes

Circle

Radius = n
Diameter 57337744
Circumference 180131835.32381
Area 2.5820882650117E+15

Sphere

Radius = n
Volume 9.8700743949764E+22
Surface area 1.0328353060047E+16
Circumference 180131835.32381

Square

Length = n
Perimeter 114675488
Area 821904221752384
Diagonal 40543907.600338

Cube

Length = n
Surface area 4931425330514304
Volume 2.3563066929679E+22
Space diagonal 49655942.899689

Equilateral Triangle

Length = n
Perimeter 86006616
Area 3.5589496775762E+14
Altitude 24827971.449844

Triangular Pyramid

Length = n
Surface area 3.5589496775762E+14
Volume 2.7769340685881E+21
Height 13514635.866779