257440 (number)

257440 is an even 6-digits composite number following 257439 and preceding 257441. In scientific notation, it is written as 2.57440 × 10^5. The sum of its digits is 22. It has a total of 7 prime factors and 24 positive divisors. There are 102912 positive integers (up to 257440) that are relatively prime to 257440.

Interesting facts

Basic properties

Name

Name two hundred fifty-seven thousand four hundred forty

Notation

Scientific notation 2.57440 × 10^5
Engineering notation 2.57440 × 10^3

Prime Factorization of 257440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 1609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16090
Product of the distinct prime numbers

The prime factorization of 257440 is 2 × 2 × 2 × 2 × 2 × 5 × 1609. Since it has a total of 7 prime factors.

Most popular turbo-numbers

5, 6, 6, 74, 780, 536, 2587, 9198, 74295, 63500, 931316, 544376, 963574, 8373941, 14484537, 52036546, 959783486, 977165612, 9851737955, 1260762122

Basic calculations (n = 257440)

Multiplication

n×y
n×2 514880
n×3 772320
n×4 1029760
n×5 1287200

Division

n÷y
n÷2 128720
n÷3 85813.333333333
n÷3 64360
n÷5 51488

Exponentiation

ny
n2 66275353600
n3 17061927030784000
n4 4.392422494805E+21
n5 1.1307852470626E+27

Nth Root

y√n
2√n 507.38545505365
3√n 63.614874624336
4√n 22.525218202132
5√n 12.081899124525

Divisors of 257440

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1609, 3218, 6436, 8045, 12872, 16090, 25744, 32180, 51488, 64360, 128720, 257440

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -257439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 257440 can be divided by 24 positive divisors. The sum of these divisors (counting 257440) is 1, the average is 0.041666666666667.

Base conversion 257440

Base System Value
2 Binary 111110110110100000
3 Ternary 111002010211
4 Quaternary 332312200
5 Quinary 31214230
6 Senary 5303504
8 Octal 766640
10 Decimal 257440
12 Duodecimal 104b94
16 Hexadecimal 3eda0
20 Vigesimal 1c3c0
36 Base36 5in4

Cryptographic Hash Functions

md5 baa8987164727be24a8cb3de8eee1f33
sha1 98ee7305e7372ff2e44edd6d7905ab88a3a65b74
sha256 8ae6111cf072fa19b395d30f234e95987fe777adb8b03f6d72cdc96a5d351fb0
sha512 54e8f832c9dba400e2936415ac22b8dd63be395278ef283d368443b748339a6605bf65689b7988c01f893b66a05a67ceac6de8bfdfecd2580a98c268b58a9ca0
ripemd-160 6d4e2c7617a2f35ddaa292d5b600c6880ebe716e

257440 as geometric shapes

Circle

Radius = n
Diameter 514880
Circumference 1617543.2254803
Area 208210163983.83

Sphere

Radius = n
Volume 7.1468832821328E+16
Surface area 832840655935.3
Circumference 1617543.2254803

Square

Length = n
Perimeter 1029760
Area 66275353600
Diagonal 364075.13949733

Cube

Length = n
Surface area 397652121600
Volume 17061927030784000
Space diagonal 445899.15990053

Equilateral Triangle

Length = n
Perimeter 772320
Area 28698069931.198
Altitude 222949.57995027

Triangular Pyramid

Length = n
Surface area 28698069931.198
Volume 2.0107673839296E+15
Height 121358.37983244