28118640 (number)

28118640 is an even 8-digits composite number following 28118639 and preceding 28118641. In scientific notation, it is written as 2.8118640 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 6816000 positive integers (up to 28118640) that are relatively prime to 28118640.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred eighteen thousand six hundred forty

Notation

Scientific notation 2.8118640 × 10^7
Engineering notation 2.8118640 × 10^6

Prime Factorization of 28118640

Prime Factorization 2 × 2 × 2 × 2 × 33 × 5 × 10651

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3514830
Product of the distinct prime numbers

The prime factorization of 28118640 is 2 × 2 × 2 × 2 × 33 × 5 × 10651. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 6, 4, 67, 760, 18, 2770, 980, 88751, 51994, 629554, 326205, 7336237, 226254, 54733036, 85931063, 698949973, 390267886, 2819828003, 7069042459

Basic calculations (n = 28118640)

Multiplication

n×y
n×2 56237280
n×3 84355920
n×4 112474560
n×5 140593200

Division

n÷y
n÷2 14059320
n÷3 9372880
n÷3 7029660
n÷5 5623728

Exponentiation

ny
n2 790657915449600
n3 2.2232225287678E+22
n4 6.2513993926311E+29
n5 1.7578084901761E+37

Nth Root

y√n
2√n 5302.7011984459
3√n 304.08717490704
4√n 72.819648436709
5√n 30.888645348329

Divisors of 28118640

1, 2, 4, 5, 8, 10, 16, 20, 33, 40, 66, 80, 132, 165, 264, 330, 528, 660, 1320, 2640, 10651, 21302, 42604, 53255, 85208, 106510, 170416, 213020, 351483, 426040, 702966, 852080, 1405932, 1757415, 2811864, 3514830, 5623728, 7029660, 14059320, 28118640

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28118639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28118640 can be divided by 40 positive divisors. The sum of these divisors (counting 28118640) is 1, the average is 0.025.

Base conversion 28118640

Base System Value
2 Binary 1101011010000111001110000
3 Ternary 1221220120112010
4 Quaternary 1223100321300
5 Quinary 24144244030
6 Senary 2442402520
8 Octal 153207160
10 Decimal 28118640
12 Duodecimal 9500440
16 Hexadecimal 1ad0e70
20 Vigesimal 8fegc0
36 Base36 gqohc

Cryptographic Hash Functions

md5 e45bcfc876bc42d1545895fa6e83d7fb
sha1 8f2043404be560639d8de575b8411111d42ed9ba
sha256 87422fa4335d03e2423a61b90dee848c1deea986c1ed937b4c46210fcd00711f
sha512 efc621afcf2275bc4030fe71067358979efc8b78667d1f891fc4992bb28356c32c3dd4fe8dbf04531d31add1542420825af08d9407dc361ec50b59b4a5281394
ripemd-160 3066e1eab18c02bc7013877e52fb1dffce0949b7

28118640 as geometric shapes

Circle

Radius = n
Diameter 56237280
Circumference 176674625.70587
Area 2.4839250986791E+15

Sphere

Radius = n
Volume 9.3126127515629E+22
Surface area 9.9357003947163E+15
Circumference 176674625.70587

Square

Length = n
Perimeter 112474560
Area 790657915449600
Diagonal 39765762.043487

Cube

Length = n
Surface area 4743947492697600
Volume 2.2232225287678E+22
Space diagonal 48702913.119739

Equilateral Triangle

Length = n
Perimeter 84355920
Area 3.423649202413E+14
Altitude 24351456.559869

Triangular Pyramid

Length = n
Surface area 3.423649202413E+14
Volume 2.620092876964E+21
Height 13255254.014496