28493894 (number)

28493894 is an even 8-digits composite number following 28493893 and preceding 28493895. In scientific notation, it is written as 2.8493894 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 11769120 positive integers (up to 28493894) that are relatively prime to 28493894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8493894 × 10^7
Engineering notation 2.8493894 × 10^6

Prime Factorization of 28493894

Prime Factorization 2 × 11 × 871 × 1487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28493894
Product of the distinct prime numbers

The prime factorization of 28493894 is 2 × 11 × 871 × 1487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 10, 61, 27, 308, 534, 6168, 8069, 74150, 94683, 186716, 438370, 9565001, 3639819, 45739354, 98868649, 660536511, 701129399, 6732626798, 4591536738

Basic calculations (n = 28493894)

Multiplication

n×y
n×2 56987788
n×3 85481682
n×4 113975576
n×5 142469470

Division

n÷y
n÷2 14246947
n÷3 9497964.6666667
n÷3 7123473.5
n÷5 5698778.8

Exponentiation

ny
n2 811901995283236
n3 2.3134249391989E+22
n4 6.591848499449E+29
n5 1.8782743240736E+37

Nth Root

y√n
2√n 5337.9672160852
3√n 305.43392147244
4√n 73.061393472101
5√n 30.970652896263

Divisors of 28493894

1, 2, 11, 22, 871, 1487, 1742, 2974, 9581, 16357, 19162, 32714, 1295177, 2590354, 14246947, 28493894

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 -28493893
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 28493894 can be divided by 16 positive divisors. The sum of these divisors (counting 28493894) is 1, the average is 0.0625.

Base conversion 28493894

Base System Value
2 Binary 1101100101100100001000110
3 Ternary 1222121122021102
4 Quaternary 1230230201012
5 Quinary 24243301034
6 Senary 2454420102
8 Octal 154544106
10 Decimal 28493894
12 Duodecimal 9661632
16 Hexadecimal 1b2c846
20 Vigesimal 8i1eee
36 Base36 gyq12

Cryptographic Hash Functions

md5 eb8117d1c756c6f1032e727953e5eecb
sha1 65d16afcad0e082401e9a1b1563ee5acc01e4a29
sha256 020e5fb7ff726656720b116e524f94137cc4283597b282af22687df06bc72e11
sha512 8108add3bed24eed437c1cfefb3695fa0bc4ce7175e1fceb8a24e2ca52eb17fefd0bdcf547cbff33fd337637cfb173da91e350b75d05383046a07a176b7822b1
ripemd-160 f0b6917b19ecfd39c0e721b96dbc049d38847b40

28493894 as geometric shapes

Circle

Radius = n
Diameter 56987788
Circumference 179032416.12513
Area 2.5506653438167E+15

Sphere

Radius = n
Volume 9.6904517248249E+22
Surface area 1.0202661375267E+16
Circumference 179032416.12513

Square

Length = n
Perimeter 113975576
Area 811901995283236
Diagonal 40296451.339621

Cube

Length = n
Surface area 4871411971699416
Volume 2.3134249391989E+22
Space diagonal 49352872.113482

Equilateral Triangle

Length = n
Perimeter 85481682
Area 3.5156387664928E+14
Altitude 24676436.056741

Triangular Pyramid

Length = n
Surface area 3.5156387664928E+14
Volume 2.7263974371227E+21
Height 13432150.44654