261749328 (number)

261749328 is an even 9-digits composite number following 261749327 and preceding 261749329. In scientific notation, it is written as 2.61749328 × 10^8. The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors. There are 87249760 positive integers (up to 261749328) that are relatively prime to 261749328.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million seven hundred forty-nine thousand three hundred twenty-eight

Notation

Scientific notation 2.61749328 × 10^8
Engineering notation 2.61749328 × 10^6

Prime Factorization of 261749328

Prime Factorization 2 × 2 × 2 × 2 × 3 × 5453111

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 32718666
Product of the distinct prime numbers

The prime factorization of 261749328 is 2 × 2 × 2 × 2 × 3 × 5453111. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 261749328)

Multiplication

n×y
n×2 523498656
n×3 785247984
n×4 1046997312
n×5 1308746640

Division

n÷y
n÷2 130874664
n÷3 87249776
n÷3 65437332
n÷5 52349865.6

Exponentiation

ny
n2 68512710708451584
n3 1.7933155987396E+25
n4 4.69399152862E+33
n5 1.228649128254E+42

Nth Root

y√n
2√n 16178.66891929
3√n 639.67865378212
4√n 127.19539661202
5√n 48.258866283528

Divisors of 261749328

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261749327
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261749328 can be divided by 20 positive divisors. The sum of these divisors (counting 261749328) is 1, the average is 0.05.

Base conversion 261749328

Base System Value
2 Binary 1111100110011111101001010000
3 Ternary 200020112020120120
4 Quaternary 33212133221100
5 Quinary 1014001434303
6 Senary 41550110240
8 Octal 1746375120
10 Decimal 261749328
12 Duodecimal 737ab380
16 Hexadecimal f99fa50
20 Vigesimal 41fid68
36 Base36 4bu72o

Cryptographic Hash Functions

md5 5e759bf4d516efb48f28f8ea696a64b8
sha1 02534d1e2ae2e5ce30dd77b78cfb1824cd23ca84
sha256 01a459143134b799b51f47449d9087d8e8dcdfc69c52ac1616421f4ee259b5d3
sha512 25323db7c7d1f0f190dfbfcbd111f6babe782a1f746477d3bd62d0570702a410e8acd914636f7e91c083686fcbd6cbb76e216e09fbc969094366b431ff3271a1
ripemd-160 e2b457c7c1877ca5cabd002286151be78946f6ac

261749328 as geometric shapes

Circle

Radius = n
Diameter 523498656
Circumference 1644619531.8537
Area 2.1523902863919E+17

Sphere

Radius = n
Volume 7.5118228140909E+25
Surface area 8.6095611455678E+17
Circumference 1644619531.8537

Square

Length = n
Perimeter 1046997312
Area 68512710708451584
Diagonal 370169449.59964

Cube

Length = n
Surface area 411076264250709504
Volume 1.7933155987396E+25
Space diagonal 453363134.94301

Equilateral Triangle

Length = n
Perimeter 785247984
Area 2.9666873977827E+16
Altitude 226681567.47151

Triangular Pyramid

Length = n
Surface area 2.9666873977827E+16
Volume 2.1134427011273E+24
Height 123389816.53321