28494890 (number)

28494890 is an even 8-digits composite number following 28494889 and preceding 28494891. In scientific notation, it is written as 2.8494890 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 10379520 positive integers (up to 28494890) that are relatively prime to 28494890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8494890 × 10^7
Engineering notation 2.8494890 × 10^6

Prime Factorization of 28494890

Prime Factorization 2 × 459595 × 31

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28494890
Product of the distinct prime numbers

The prime factorization of 28494890 is 2 × 459595 × 31. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 38, 50, 556, 244, 2635, 8425, 15830, 46902, 302301, 454275, 6000936, 7042691, 8868843, 30315689, 522699155, 425594623, 2153040405, 6939161142

Basic calculations (n = 28494890)

Multiplication

n×y
n×2 56989780
n×3 85484670
n×4 113979560
n×5 142474450

Division

n÷y
n÷2 14247445
n÷3 9498296.6666667
n÷3 7123722.5
n÷5 5698978

Exponentiation

ny
n2 811958756112100
n3 2.3136675439951E+22
n4 6.5927702162711E+29
n5 1.8786026210792E+37

Nth Root

y√n
2√n 5338.0605092112
3√n 305.43748023069
4√n 73.062031926379
5√n 30.970869408187

Divisors of 28494890

1, 2, 31, 62, 459595, 919190, 14247445, 28494890

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28494889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28494890 can be divided by 8 positive divisors. The sum of these divisors (counting 28494890) is 1, the average is 0.125.

Base conversion 28494890

Base System Value
2 Binary 1101100101100110000101010
3 Ternary 1222121200122022
4 Quaternary 1230230300222
5 Quinary 24243314030
6 Senary 2454424442
8 Octal 154546052
10 Decimal 28494890
12 Duodecimal 9662122
16 Hexadecimal 1b2cc2a
20 Vigesimal 8i1h4a
36 Base36 gyqsq

Cryptographic Hash Functions

md5 144c2ba653f87dbed0c74c2308933a29
sha1 c7dcf6481a1cf6d68542a432c7071488aff7d558
sha256 c6e6341124ae72a33566469e560e1bad2d488a5c75dae1edece153af25264a02
sha512 81627e99a4d037460029cd8cbd9e92e4ba3b1632f48f17c11a71b347a45b4360884abcb8e0c767daf94abcc340b92802774ce3abe0b2ae7658276d9ccfb215d1
ripemd-160 0b68129000cc794e36f379421d64170584c0f296

28494890 as geometric shapes

Circle

Radius = n
Diameter 56989780
Circumference 179038674.1777
Area 2.5508436632197E+15

Sphere

Radius = n
Volume 9.6914679454189E+22
Surface area 1.0203374652879E+16
Circumference 179038674.1777

Square

Length = n
Perimeter 113979560
Area 811958756112100
Diagonal 40297859.896329

Cube

Length = n
Surface area 4871752536672600
Volume 2.3136675439951E+22
Space diagonal 49354597.236086

Equilateral Triangle

Length = n
Perimeter 85484670
Area 3.5158845480915E+14
Altitude 24677298.618043

Triangular Pyramid

Length = n
Surface area 3.5158845480915E+14
Volume 2.7266833496169E+21
Height 13432619.965443