28305490 (number)

28305490 is an even 8-digits composite number following 28305489 and preceding 28305491. In scientific notation, it is written as 2.8305490 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 10997184 positive integers (up to 28305490) that are relatively prime to 28305490.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8305490 × 10^7
Engineering notation 2.8305490 × 10^6

Prime Factorization of 28305490

Prime Factorization 2 × 5 × 67 × 83 × 509

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28305490
Product of the distinct prime numbers

The prime factorization of 28305490 is 2 × 5 × 67 × 83 × 509. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 70, 62, 277, 916, 8452, 9136, 64724, 27755, 940676, 108168, 5430409, 4003838, 91510961, 30200973, 468476165, 9714390, 2569897812, 7438671409

Basic calculations (n = 28305490)

Multiplication

n×y
n×2 56610980
n×3 84916470
n×4 113221960
n×5 141527450

Division

n÷y
n÷2 14152745
n÷3 9435163.3333333
n÷3 7076372.5
n÷5 5661098

Exponentiation

ny
n2 801200764140100
n3 2.267838021736E+22
n4 6.4192266445868E+29
n5 1.8169935559609E+37

Nth Root

y√n
2√n 5320.2904056076
3√n 304.75924743854
4√n 72.94032084936
5√n 30.929588035231

Divisors of 28305490

1, 2, 5, 10, 67, 83, 134, 166, 335, 415, 509, 670, 830, 1018, 2545, 5090, 5561, 11122, 27805, 34103, 42247, 55610, 68206, 84494, 170515, 211235, 341030, 422470, 2830549, 5661098, 14152745, 28305490

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 -28305489
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 28305490 can be divided by 32 positive divisors. The sum of these divisors (counting 28305490) is 1, the average is 0.03125.

Base conversion 28305490

Base System Value
2 Binary 1101011111110100001010010
3 Ternary 1222021001211111
4 Quaternary 1223332201102
5 Quinary 24221233430
6 Senary 2450403534
8 Octal 153764122
10 Decimal 28305490
12 Duodecimal 95905aa
16 Hexadecimal 1afe852
20 Vigesimal 8gi3ea
36 Base36 guonm

Cryptographic Hash Functions

md5 c39cf53e3d3f273d7058f6e8f9adb601
sha1 2ca314d592dc7c341e14c4b093827bb1f7939410
sha256 a7568fd1b90432721a9a0a9d69fa1883912dd6d9a80b972b7f4faa1b5505214c
sha512 72ea97369649ee018c3faeffde8a196139d993be489cbf3ef0a2722e4d77e50a654c3cdb0c0e4c58925b7596a10994e6e960925f1d7b341deb4ded999237fe67
ripemd-160 603235a26ce1ba97b066c60cd6bbc9cf2a523f31

28305490 as geometric shapes

Circle

Radius = n
Diameter 56610980
Circumference 177848638.88052
Area 2.5170464346731E+15

Sphere

Radius = n
Volume 9.4994976914899E+22
Surface area 1.0068185738692E+16
Circumference 177848638.88052

Square

Length = n
Perimeter 113221960
Area 801200764140100
Diagonal 40030007.847616

Cube

Length = n
Surface area 4807204584840600
Volume 2.267838021736E+22
Space diagonal 49026546.813133

Equilateral Triangle

Length = n
Perimeter 84916470
Area 3.4693010763842E+14
Altitude 24513273.406566

Triangular Pyramid

Length = n
Surface area 3.4693010763842E+14
Volume 2.6726727396703E+21
Height 13343335.949205