28705384 (number)

28705384 is an even 8-digits composite number following 28705383 and preceding 28705385. In scientific notation, it is written as 2.8705384 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors. There are 13340416 positive integers (up to 28705384) that are relatively prime to 28705384.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred five thousand three hundred eighty-four

Notation

Scientific notation 2.8705384 × 10^7
Engineering notation 2.8705384 × 10^6

Prime Factorization of 28705384

Prime Factorization 2 × 2 × 2 × 17 × 83 × 2543

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7176346
Product of the distinct prime numbers

The prime factorization of 28705384 is 2 × 2 × 2 × 17 × 83 × 2543. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28705384)

Multiplication

n×y
n×2 57410768
n×3 86116152
n×4 114821536
n×5 143526920

Division

n÷y
n÷2 14352692
n÷3 9568461.3333333
n÷3 7176346
n÷5 5741076.8

Exponentiation

ny
n2 823999070587456
n3 2.3653209736856E+22
n4 6.7897446832899E+29
n5 1.949022283958E+37

Nth Root

y√n
2√n 5357.7405685606
3√n 306.18773277999
4√n 73.196588503568
5√n 31.016491651612

Divisors of 28705384

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 -28705383
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 28705384 can be divided by 32 positive divisors. The sum of these divisors (counting 28705384) is 1, the average is 0.03125.

Base conversion 28705384

Base System Value
2 Binary 1101101100000001001101000
3 Ternary 2000000101101101
4 Quaternary 1231200021220
5 Quinary 24322033014
6 Senary 2503131144
8 Octal 155401150
10 Decimal 28705384
12 Duodecimal 9743ab4
16 Hexadecimal 1b60268
20 Vigesimal 8j8394
36 Base36 h397s

Cryptographic Hash Functions

md5 90747b484a71487f193251d1ae61885d
sha1 d35815c57a76f603a6007bb570d61c95d043e079
sha256 1c1c0a51c0e3cc5ee545059487d1e5f438cb76291a4565e19a4489f7763bd7fe
sha512 c9610c84529da317c2df206b45eded39e023125182968c54653ffc517a0ddac8f367feec4e2db46e1e395cd22235d316c2aa382c9c3f410d4f56dd5e966fdf81
ripemd-160 91c6d72bd7064626beb49e4c1dbf124452ca3fe8

28705384 as geometric shapes

Circle

Radius = n
Diameter 57410768
Circumference 180361246.98575
Area 2.5886694267224E+15

Sphere

Radius = n
Volume 9.9078333257501E+22
Surface area 1.0354677706889E+16
Circumference 180361246.98575

Square

Length = n
Perimeter 114821536
Area 823999070587456
Diagonal 40595543.365928

Cube

Length = n
Surface area 4943994423524736
Volume 2.3653209736856E+22
Space diagonal 49719183.538775

Equilateral Triangle

Length = n
Perimeter 86116152
Area 3.5680206391175E+14
Altitude 24859591.769387

Triangular Pyramid

Length = n
Surface area 3.5680206391175E+14
Volume 2.7875575002931E+21
Height 13531847.788643