245840 (number)

245840 is an even 6-digits composite number following 245839 and preceding 245841. In scientific notation, it is written as 2.45840 × 10^5. The sum of its digits is 23. It has a total of 7 prime factors and 40 positive divisors. There are 84096 positive integers (up to 245840) that are relatively prime to 245840.

Interesting facts

Basic properties

Name

Name two hundred forty-five thousand eight hundred forty

Notation

Scientific notation 2.45840 × 10^5
Engineering notation 2.45840 × 10^3

Prime Factorization of 245840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 7 × 439

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 30730
Product of the distinct prime numbers

The prime factorization of 245840 is 2 × 2 × 2 × 2 × 5 × 7 × 439. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 10, 68, 60, 956, 250, 4179, 7869, 49669, 84086, 84968, 994234, 5460849, 5509386, 5485200, 83901221, 356490717, 251771718, 2851953607, 833686780

Basic calculations (n = 245840)

Multiplication

n×y
n×2 491680
n×3 737520
n×4 983360
n×5 1229200

Division

n÷y
n÷2 122920
n÷3 81946.666666667
n÷3 61460
n÷5 49168

Exponentiation

ny
n2 60437305600
n3 14857907208704000
n4 3.6526679081878E+21
n5 8.9797187854889E+26

Nth Root

y√n
2√n 495.82254890233
3√n 62.644678166562
4√n 22.267073200183
5√n 11.971002167848

Divisors of 245840

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 439, 560, 878, 1756, 2195, 3073, 3512, 4390, 6146, 7024, 8780, 12292, 15365, 17560, 24584, 30730, 35120, 49168, 61460, 122920, 245840

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -245839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 245840 can be divided by 40 positive divisors. The sum of these divisors (counting 245840) is 1, the average is 0.025.

Base conversion 245840

Base System Value
2 Binary 111100000001010000
3 Ternary 110111020012
4 Quaternary 330001100
5 Quinary 30331330
6 Senary 5134052
8 Octal 740120
10 Decimal 245840
12 Duodecimal ba328
16 Hexadecimal 3c050
20 Vigesimal 1aec0
36 Base36 59ow

Cryptographic Hash Functions

md5 d522c768832976d8714c9cdb02ff3400
sha1 765ee12a9688df6d4caf05d9fe7e40919f8b929b
sha256 9c641fc89092f579b30b371b53d8a9adbf8b8db7d08d7043a494b03cdca54515
sha512 234d9bbda0ddea899d3b29d3caa76a621b997269cad0e05b1bcb5028958532dbcca28670f83413a91e298dcababdab94d84411aca8a304aeb288de9e1b96d299
ripemd-160 e42b989f8022e39a5e55e9b2515f88bdfc74a1bf

245840 as geometric shapes

Circle

Radius = n
Diameter 491680
Circumference 1544658.275917
Area 189869395275.72

Sphere

Radius = n
Volume 6.2236656179444E+16
Surface area 759477581102.89
Circumference 1544658.275917

Square

Length = n
Perimeter 983360
Area 60437305600
Diagonal 347670.2621738

Cube

Length = n
Surface area 362623833600
Volume 14857907208704000
Space diagonal 425807.37053273

Equilateral Triangle

Length = n
Perimeter 737520
Area 26170120992.942
Altitude 212903.68526637

Triangular Pyramid

Length = n
Surface area 26170120992.942
Volume 1.7510211569192E+15
Height 115890.08739127