28668840 (number)

28668840 is an even 8-digits composite number following 28668839 and preceding 28668841. In scientific notation, it is written as 2.8668840 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 32 positive divisors. There are 7457280 positive integers (up to 28668840) that are relatively prime to 28668840.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8668840 × 10^7
Engineering notation 2.8668840 × 10^6

Prime Factorization of 28668840

Prime Factorization 2 × 2 × 2 × 15 × 41 × 5827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7167210
Product of the distinct prime numbers

The prime factorization of 28668840 is 2 × 2 × 2 × 15 × 41 × 5827. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 2, 38, 58, 49, 586, 307, 7323, 88619, 31872, 398588, 703956, 2222501, 5972292, 33298689, 12573727, 700353216, 700747361, 1732074553, 9125543394

Basic calculations (n = 28668840)

Multiplication

n×y
n×2 57337680
n×3 86006520
n×4 114675360
n×5 143344200

Division

n÷y
n÷2 14334420
n÷3 9556280
n÷3 7167210
n÷5 5733768

Exponentiation

ny
n2 821902386945600
n3 2.3562988026961E+22
n4 6.7552353366687E+29
n5 1.936647610293E+37

Nth Root

y√n
2√n 5354.3290896246
3√n 306.05774466653
4√n 73.173281255009
5√n 31.008590386081

Divisors of 28668840

1, 2, 4, 8, 15, 30, 41, 60, 82, 120, 164, 328, 615, 1230, 2460, 4920, 5827, 11654, 23308, 46616, 87405, 174810, 238907, 349620, 477814, 699240, 955628, 1911256, 3583605, 7167210, 14334420, 28668840

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 -28668839
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 28668840 can be divided by 32 positive divisors. The sum of these divisors (counting 28668840) is 1, the average is 0.03125.

Base conversion 28668840

Base System Value
2 Binary 1101101010111001110101000
3 Ternary 1222221112020220
4 Quaternary 1231113032220
5 Quinary 24314400330
6 Senary 2502250040
8 Octal 155271650
10 Decimal 28668840
12 Duodecimal 9726920
16 Hexadecimal 1b573a8
20 Vigesimal 8j3c20
36 Base36 h2h0o

Cryptographic Hash Functions

md5 b0cd2870480de4cb4a87f10b0151af11
sha1 3c11d2974fb8b1500ef4c86811a9c048317b6743
sha256 d9f64e52517a4b3e4c5f035f474c735795735203f3a9a881dc004b710aa11c2a
sha512 0bb1a135b7b04d374de1c67eeeee1175bfe939b514f377675aff101cbac1cb48c920f2af0d693a67391e1d7d071b090c3e837c318e5a686b33851079b8ac62d9
ripemd-160 6690dbfb248549ce5dc48568ece5fd39243f38e5

28668840 as geometric shapes

Circle

Radius = n
Diameter 57337680
Circumference 180131634.26188
Area 2.5820825007962E+15

Sphere

Radius = n
Volume 9.8700413442835E+22
Surface area 1.0328330003185E+16
Circumference 180131634.26188

Square

Length = n
Perimeter 114675360
Area 821902386945600
Diagonal 40543862.345504

Cube

Length = n
Surface area 4931414321673600
Volume 2.3562988026961E+22
Space diagonal 49655887.474063

Equilateral Triangle

Length = n
Perimeter 86006520
Area 3.5589417326298E+14
Altitude 24827943.737031

Triangular Pyramid

Length = n
Surface area 3.5589417326298E+14
Volume 2.7769247698137E+21
Height 13514620.781835