256752721 (number)

256752721 is an odd 9-digits composite number following 256752720 and preceding 256752722. In scientific notation, it is written as 2.56752721 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors. There are 252540000 positive integers (up to 256752721) that are relatively prime to 256752721.

Interesting facts

Basic properties

Name

Name two hundred fifty-six million seven hundred fifty-two thousand seven hundred twenty-one

Notation

Scientific notation 2.56752721 × 10^8
Engineering notation 2.56752721 × 10^6

Prime Factorization of 256752721

Prime Factorization 61 × 61 × 69001

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 4209061
Product of the distinct prime numbers

The prime factorization of 256752721 is 61 × 61 × 69001. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 73, 36, 12, 736, 2779, 1230, 12010, 84056, 6925, 721853, 5672026, 4825491, 408938, 48223963, 913289362, 524512082, 3550821447, 8809923243

Basic calculations (n = 256752721)

Multiplication

n×y
n×2 513505442
n×3 770258163
n×4 1027010884
n×5 1283763605

Division

n÷y
n÷2 128376360.5
n÷3 85584240.333333
n÷3 64188180.25
n÷5 51350544.2

Exponentiation

ny
n2 65921959740903841
n3 1.692564253713E+25
n4 4.3457047760813E+33
n5 1.1157715259216E+42

Nth Root

y√n
2√n 16023.505265703
3√n 635.58214001529
4√n 126.58398502853
5√n 48.073197675117

Divisors of 256752721

1, 61, 3721, 69001, 4209061, 256752721

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -256752720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 256752721 can be divided by 6 positive divisors. The sum of these divisors (counting 256752721) is 1, the average is 0.16666666666667.

Base conversion 256752721

Base System Value
2 Binary 1111010011011011110001010001
3 Ternary 122220010101112001
4 Quaternary 33103123301101
5 Quinary 1011212041341
6 Senary 41251034001
8 Octal 1723336121
10 Decimal 256752721
12 Duodecimal 71b9b901
16 Hexadecimal f4dbc51
20 Vigesimal 404e1g1
36 Base36 48v3o1

Cryptographic Hash Functions

md5 c1723876b0bb2fdd7a691410ddda709e
sha1 b65dab20e619edeb06569e10e4bb1d324bd54967
sha256 e375410ceee8f9d74b1529a30b86749a7664621af831c6ae402456479c0b8c24
sha512 21888949b6adbe84a9837fa0153b4c884e3c77f8130132871dd9cee012a0ca1337519b801ed13c70459c8f41236f8f19aa8fb351330bd5f372f797ceda42a7c0
ripemd-160 73901158ec320443dc4c67599fda7083f9280626

256752721 as geometric shapes

Circle

Radius = n
Diameter 513505442
Circumference 1613224924.1656
Area 2.0709994443227E+17

Sphere

Radius = n
Volume 7.0897965669244E+25
Surface area 8.2839977772906E+17
Circumference 1613224924.1656

Square

Length = n
Perimeter 1027010884
Area 65921959740903841
Diagonal 363103180.2144

Cube

Length = n
Surface area 395531758445423046
Volume 1.692564253713E+25
Space diagonal 444708757.75356

Equilateral Triangle

Length = n
Perimeter 770258163
Area 2.8545045901439E+16
Altitude 222354378.87678

Triangular Pyramid

Length = n
Surface area 2.8545045901439E+16
Volume 1.994706102324E+24
Height 121034393.4048