28668893 (number)

28668893 is an odd 8-digits composite number following 28668892 and preceding 28668894. In scientific notation, it is written as 2.8668893 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors. There are 25218600 positive integers (up to 28668893) that are relatively prime to 28668893.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-eight thousand eight hundred ninety-three

Notation

Scientific notation 2.8668893 × 10^7
Engineering notation 2.8668893 × 10^6

Prime Factorization of 28668893

Prime Factorization 11 × 11 × 31 × 7643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2606263
Product of the distinct prime numbers

The prime factorization of 28668893 is 11 × 11 × 31 × 7643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 50, 30, 61, 750, 4488, 7391, 71596, 33688, 900898, 227791, 8783456, 2273560, 11447666, 13080469, 68035675, 915493176, 549443013, 4175798993

Basic calculations (n = 28668893)

Multiplication

n×y
n×2 57337786
n×3 86006679
n×4 114675572
n×5 143344465

Division

n÷y
n÷2 14334446.5
n÷3 9556297.6666667
n÷3 7167223.25
n÷5 5733778.6

Exponentiation

ny
n2 821905425845449
n3 2.3563118709683E+22
n4 6.7552852903419E+29
n5 1.9366655117329E+37

Nth Root

y√n
2√n 5354.3340388885
3√n 306.0579332691
4√n 73.173315073792
5√n 31.00860185117

Divisors of 28668893

1, 11, 31, 121, 341, 3751, 7643, 84073, 236933, 924803, 2606263, 28668893

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 -28668892
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 28668893 can be divided by 12 positive divisors. The sum of these divisors (counting 28668893) is 1, the average is 0.083333333333333.

Base conversion 28668893

Base System Value
2 Binary 1101101010111001111011101
3 Ternary 1222221112022212
4 Quaternary 1231113033131
5 Quinary 24314401033
6 Senary 2502250205
8 Octal 155271735
10 Decimal 28668893
12 Duodecimal 9726965
16 Hexadecimal 1b573dd
20 Vigesimal 8j3c4d
36 Base36 h2h25

Cryptographic Hash Functions

md5 a53d7be618caae2bfb6f9a51a18034ad
sha1 faf86c5236d956e993a49416de7b24b1cc261165
sha256 f695c3593eb74d59990eae27d5e5294b863a84712b2a297419a066fc50c62a54
sha512 d8eb7bdf3e0555dd82e1e0cc350d3499dc4e454022d0c3cf6b0ec6ccf6932022f01f5f975a2cb2328ea9ee82bda28cb2388f4d8fbae8da7d3500766b04dd246f
ripemd-160 fda45959a6f72af10c7188d255c86826cc3f30e1

28668893 as geometric shapes

Circle

Radius = n
Diameter 57337786
Circumference 180131967.2707
Area 2.5820920477817E+15

Sphere

Radius = n
Volume 9.8700960845337E+22
Surface area 1.0328368191127E+16
Circumference 180131967.2707

Square

Length = n
Perimeter 114675572
Area 821905425845449
Diagonal 40543937.298823

Cube

Length = n
Surface area 4931432555072694
Volume 2.3563118709683E+22
Space diagonal 49655979.272756

Equilateral Triangle

Length = n
Perimeter 86006679
Area 3.5589548914521E+14
Altitude 24827989.636378

Triangular Pyramid

Length = n
Surface area 3.5589548914521E+14
Volume 2.77694017092E+21
Height 13514645.766274