28668740 (number)

28668740 is an even 8-digits composite number following 28668739 and preceding 28668741. In scientific notation, it is written as 2.8668740 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 11467488 positive integers (up to 28668740) that are relatively prime to 28668740.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8668740 × 10^7
Engineering notation 2.8668740 × 10^6

Prime Factorization of 28668740

Prime Factorization 2 × 2 × 5 × 1433437

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14334370
Product of the distinct prime numbers

The prime factorization of 28668740 is 2 × 2 × 5 × 1433437. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 4, 56, 32, 33, 903, 7879, 5944, 15035, 43210, 168643, 134536, 6871914, 7630631, 48634135, 59742255, 262113862, 562848139, 3640692349, 7413149212

Basic calculations (n = 28668740)

Multiplication

n×y
n×2 57337480
n×3 86006220
n×4 114674960
n×5 143343700

Division

n÷y
n÷2 14334370
n÷3 9556246.6666667
n÷3 7167185
n÷5 5733748

Exponentiation

ny
n2 821896653187600
n3 2.3562741457105E+22
n4 6.7551410852098E+29
n5 1.936613834352E+37

Nth Root

y√n
2√n 5354.3197513783
3√n 306.057388812
4√n 73.173217445855
5√n 31.00856875379

Divisors of 28668740

1, 2, 4, 5, 10, 20, 1433437, 2866874, 5733748, 7167185, 14334370, 28668740

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 -28668739
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 28668740 can be divided by 12 positive divisors. The sum of these divisors (counting 28668740) is 1, the average is 0.083333333333333.

Base conversion 28668740

Base System Value
2 Binary 1101101010111001101000100
3 Ternary 1222221112010012
4 Quaternary 1231113031010
5 Quinary 24314344430
6 Senary 2502245352
8 Octal 155271504
10 Decimal 28668740
12 Duodecimal 9726858
16 Hexadecimal 1b57344
20 Vigesimal 8j3bh0
36 Base36 h2gxw

Cryptographic Hash Functions

md5 ba3506fb3d09008eeabf7f070c9c4870
sha1 b881ba32708c6abe1771796364d192b0c375cad5
sha256 35a9256faf4356533e00b51d29d1572f23b5878411292983cb31a6330700be69
sha512 0903a3f0d5d9735d6ff2f305dcebe33766848205412e02a8ac38e93ea6ea31ec4db5d96127f846815bdf7f4073ea910725761bf20a212a4e751491cd5d1bd219
ripemd-160 0305a5e83b75e3f20a60ae0699dbf11867314c90

28668740 as geometric shapes

Circle

Radius = n
Diameter 57337480
Circumference 180131005.94335
Area 2.5820644876642E+15

Sphere

Radius = n
Volume 9.8699380613438E+22
Surface area 1.0328257950657E+16
Circumference 180131005.94335

Square

Length = n
Perimeter 114674960
Area 821896653187600
Diagonal 40543720.924148

Cube

Length = n
Surface area 4931379919125600
Volume 2.3562741457105E+22
Space diagonal 49655714.268982

Equilateral Triangle

Length = n
Perimeter 86006220
Area 3.5589169047294E+14
Altitude 24827857.134491

Triangular Pyramid

Length = n
Surface area 3.5589169047294E+14
Volume 2.7768957112774E+21
Height 13514573.641383