28394890 (number)

28394890 is an even 8-digits composite number following 28394889 and preceding 28394891. In scientific notation, it is written as 2.8394890 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 11171520 positive integers (up to 28394890) that are relatively prime to 28394890.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-four thousand eight hundred ninety

Notation

Scientific notation 2.8394890 × 10^7
Engineering notation 2.8394890 × 10^6

Prime Factorization of 28394890

Prime Factorization 2 × 5 × 61 × 46549

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28394890
Product of the distinct prime numbers

The prime factorization of 28394890 is 2 × 5 × 61 × 46549. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 48, 38, 490, 971, 8240, 8163, 73298, 42093, 269534, 170962, 1971169, 6696486, 38055853, 39468462, 822827668, 998110886, 1167357475, 7886078143

Basic calculations (n = 28394890)

Multiplication

n×y
n×2 56789780
n×3 85184670
n×4 113579560
n×5 141974450

Division

n÷y
n÷2 14197445
n÷3 9464963.3333333
n÷3 7098722.5
n÷5 5678978

Exponentiation

ny
n2 806269778112100
n3 2.2893941659817E+22
n4 6.5007095509693E+29
n5 1.8458693262172E+37

Nth Root

y√n
2√n 5328.6855790148
3√n 305.07976056076
4√n 72.997846399841
5√n 30.949100988052

Divisors of 28394890

1, 2, 5, 10, 61, 122, 305, 610, 46549, 93098, 232745, 465490, 2839489, 5678978, 14197445, 28394890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28394889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28394890 can be divided by 16 positive divisors. The sum of these divisors (counting 28394890) is 1, the average is 0.0625.

Base conversion 28394890

Base System Value
2 Binary 1101100010100010110001010
3 Ternary 1222102121110121
4 Quaternary 1230110112022
5 Quinary 24232114030
6 Senary 2452333454
8 Octal 154242612
10 Decimal 28394890
12 Duodecimal 961428a
16 Hexadecimal 1b1458a
20 Vigesimal 8h974a
36 Base36 gwlmy

Cryptographic Hash Functions

md5 4b64e361b26fd53af50459de647cd9ac
sha1 9464976a7eee5b7081d271c19166587ee00aed25
sha256 f5353164e4d8871e9f73cd15f6c5e32482f85e6b412fa42390b8a13016646e0a
sha512 d32585f2cf17c3622c479b743f75afd6ca0980b1aafbfea9410b77a83d0b69000df9158546a28a651789e539e74ba92f8fb79bdf34032eefa1756f73053a62e1
ripemd-160 6da801ef9d9320176a1df12bd32c273d905d16b9

28394890 as geometric shapes

Circle

Radius = n
Diameter 56789780
Circumference 178410355.64698
Area 2.5329712117284E+15

Sphere

Radius = n
Volume 9.5897918573595E+22
Surface area 1.0131884846914E+16
Circumference 178410355.64698

Square

Length = n
Perimeter 113579560
Area 806269778112100
Diagonal 40156438.540092

Cube

Length = n
Surface area 4837618668672600
Volume 2.2893941659817E+22
Space diagonal 49181392.155329

Equilateral Triangle

Length = n
Perimeter 85184670
Area 3.4912505507436E+14
Altitude 24590696.077665

Triangular Pyramid

Length = n
Surface area 3.4912505507436E+14
Volume 2.698076899291E+21
Height 13385479.513364