28668888 (number)

28668888 is an even 8-digits composite number following 28668887 and preceding 28668889. In scientific notation, it is written as 2.8668888 × 10^7. The sum of its digits is 54. It has a total of 6 prime factors and 32 positive divisors. There are 9517824 positive integers (up to 28668888) that are relatively prime to 28668888.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8668888 × 10^7
Engineering notation 2.8668888 × 10^6

Prime Factorization of 28668888

Prime Factorization 2 × 2 × 2 × 9 × 307 × 1297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7167222
Product of the distinct prime numbers

The prime factorization of 28668888 is 2 × 2 × 2 × 9 × 307 × 1297. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 7, 37, 96, 684, 828, 2257, 7662, 34276, 83701, 871325, 559306, 7136157, 1507203, 34294273, 17865585, 203448253, 671087201, 5415756842, 9177621120

Basic calculations (n = 28668888)

Multiplication

n×y
n×2 57337776
n×3 86006664
n×4 114675552
n×5 143344440

Division

n÷y
n÷2 14334444
n÷3 9556296
n÷3 7167222
n÷5 5733777.6

Exponentiation

ny
n2 821905139156544
n3 2.3563106381103E+22
n4 6.7552805777194E+29
n5 1.9366638229121E+37

Nth Root

y√n
2√n 5354.333571977
3√n 306.05791547641
4√n 73.173311883343
5√n 31.008600769559

Divisors of 28668888

1, 2, 4, 8, 9, 18, 36, 72, 307, 614, 1228, 1297, 2456, 2594, 2763, 5188, 5526, 10376, 11052, 11673, 22104, 23346, 46692, 93384, 398179, 796358, 1592716, 3185432, 3583611, 7167222, 14334444, 28668888

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 -28668887
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 28668888 can be divided by 32 positive divisors. The sum of these divisors (counting 28668888) is 1, the average is 0.03125.

Base conversion 28668888

Base System Value
2 Binary 1101101010111001111011000
3 Ternary 1222221112022200
4 Quaternary 1231113033120
5 Quinary 24314401023
6 Senary 2502250200
8 Octal 155271730
10 Decimal 28668888
12 Duodecimal 9726960
16 Hexadecimal 1b573d8
20 Vigesimal 8j3c48
36 Base36 h2h20

Cryptographic Hash Functions

md5 b0ba994eade078ee4307e20deeb441b9
sha1 c18271df24a30d710047a6997e30bbb41eae69c3
sha256 074b174d9ea5d349f6cf1e90985e027b14ce9620f700a905484bc4c196aafc3b
sha512 6bb6cb571d89860b9be7dfd0112a6f8ae919b28d1fddc3024a0ff5635a793f78fcc842163bca32002ef75405fe1d86f96337f33cf1b8f3ff0c80a8eed5d91b22
ripemd-160 1a14c7f5c5808d9a09a3e3ff212604db3443eb65

28668888 as geometric shapes

Circle

Radius = n
Diameter 57337776
Circumference 180131935.85478
Area 2.5820911471219E+15

Sphere

Radius = n
Volume 9.8700909203506E+22
Surface area 1.0328364588488E+16
Circumference 180131935.85478

Square

Length = n
Perimeter 114675552
Area 821905139156544
Diagonal 40543930.227755

Cube

Length = n
Surface area 4931430834939264
Volume 2.3563106381103E+22
Space diagonal 49655970.612502

Equilateral Triangle

Length = n
Perimeter 86006664
Area 3.5589536500528E+14
Altitude 24827985.306251

Triangular Pyramid

Length = n
Surface area 3.5589536500528E+14
Volume 2.776938717983E+21
Height 13514643.409252