249145 (number)

249145 is an odd 6-digits composite number following 249144 and preceding 249146. In scientific notation, it is written as 2.49145 × 10^5. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 183936 positive integers (up to 249145) that are relatively prime to 249145.

Interesting facts

Basic properties

Name

Name two hundred forty-nine thousand one hundred forty-five

Notation

Scientific notation 2.49145 × 10^5
Engineering notation 2.49145 × 10^3

Prime Factorization of 249145

Prime Factorization 5 × 13 × 3833

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 249145
Product of the distinct prime numbers

The prime factorization of 249145 is 5 × 13 × 3833. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 249145)

Multiplication

n×y
n×2 498290
n×3 747435
n×4 996580
n×5 1245725

Division

n÷y
n÷2 124572.5
n÷3 83048.333333333
n÷3 62286.25
n÷5 49829

Exponentiation

ny
n2 62073231025
n3 15465235143723625
n4 3.853086009883E+21
n5 9.5997711393231E+26

Nth Root

y√n
2√n 499.14426772227
3√n 62.924154969322
4√n 22.341536825435
5√n 12.003017386502

Divisors of 249145

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 -249144
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 249145 can be divided by 8 positive divisors. The sum of these divisors (counting 249145) is 1, the average is 0.125.

Base conversion 249145

Base System Value
2 Binary 111100110100111001
3 Ternary 110122202121
4 Quaternary 330310321
5 Quinary 30433040
6 Senary 5201241
8 Octal 746471
10 Decimal 249145
12 Duodecimal 100221
16 Hexadecimal 3cd39
20 Vigesimal 1b2h5
36 Base36 5c8p

Cryptographic Hash Functions

md5 b5b38c318f03c86dda666295fe5c22f9
sha1 29c640111e7725d582fa998ecfd39ceb2f62cecf
sha256 3674093829d9f3a4cb836cbd93be1fdd81584b9ffaf1575dd065a8d41263b945
sha512 18867aba7ff360a51e7e68102bc5e61f14b91c03142f03ebbdca67ce0ad7ff349d82ff16337f46fb2011fd26312d7c41dc73e14a2e59828bedab9e125efc2a56
ripemd-160 4c985435455cc36e907791c5f44b917e77160548

249145 as geometric shapes

Circle

Radius = n
Diameter 498290
Circumference 1565424.2033573
Area 195008806572.72

Sphere

Radius = n
Volume 6.4780625484748E+16
Surface area 780035226290.89
Circumference 1565424.2033573

Square

Length = n
Perimeter 996580
Area 62073231025
Diagonal 352344.23799744

Cube

Length = n
Surface area 372439386150
Volume 15465235143723625
Space diagonal 431531.79845175

Equilateral Triangle

Length = n
Perimeter 747435
Area 26878497481.315
Altitude 215765.89922587

Triangular Pyramid

Length = n
Surface area 26878497481.315
Volume 1.8225954404619E+15
Height 117448.07933248