261749061 (number)

261749061 is an odd 9-digits composite number following 261749060 and preceding 261749062. In scientific notation, it is written as 2.61749061 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 148909536 positive integers (up to 261749061) that are relatively prime to 261749061.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million seven hundred forty-nine thousand sixty-one

Notation

Scientific notation 2.61749061 × 10^8
Engineering notation 2.61749061 × 10^6

Prime Factorization of 261749061

Prime Factorization 7 × 9 × 229 × 18143

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 261749061
Product of the distinct prime numbers

The prime factorization of 261749061 is 7 × 9 × 229 × 18143. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 261749061)

Multiplication

n×y
n×2 523498122
n×3 785247183
n×4 1046996244
n×5 1308745305

Division

n÷y
n÷2 130874530.5
n÷3 87249687
n÷3 65437265.25
n÷5 52349812.2

Exponentiation

ny
n2 68512570934381721
n3 1.793310110877E+25
n4 4.6939723760387E+33
n5 1.2286428617881E+42

Nth Root

y√n
2√n 16178.660667682
3√n 639.67843627853
4√n 127.19536417528
5√n 48.258856438137

Divisors of 261749061

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261749060
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261749061 can be divided by 16 positive divisors. The sum of these divisors (counting 261749061) is 1, the average is 0.0625.

Base conversion 261749061

Base System Value
2 Binary 1111100110011111100101000101
3 Ternary 200020112020012200
4 Quaternary 33212133211011
5 Quinary 1014001432221
6 Senary 41550105113
8 Octal 1746374505
10 Decimal 261749061
12 Duodecimal 737ab199
16 Hexadecimal f99f945
20 Vigesimal 41ficd1
36 Base36 4bu6v9

Cryptographic Hash Functions

md5 34e13382f323fbc8011665296e433cf5
sha1 723967e8924cde2ab41ad59049a82f732511433e
sha256 a7e78d3b58839f3e27b0599f7031afcf65cc6609e6da7b7d2b1fbf1a5ec70f5b
sha512 05c17642d9900a4a10335c2def59b2374c4b5282248a4260ba3f66cc36dd33afccb68c28b2919ab4eac23cdd1b069847cf137e592def1c4cd6bf286df154756d
ripemd-160 907c1a799906420c7dcf125cc4604659ea75d420

261749061 as geometric shapes

Circle

Radius = n
Diameter 523498122
Circumference 1644617854.2433
Area 2.15238589526E+17

Sphere

Radius = n
Volume 7.5117998265861E+25
Surface area 8.6095435810401E+17
Circumference 1644617854.2433

Square

Length = n
Perimeter 1046996244
Area 68512570934381721
Diagonal 370169072.00462

Cube

Length = n
Surface area 411075425606290326
Volume 1.793310110877E+25
Space diagonal 453362672.48545

Equilateral Triangle

Length = n
Perimeter 785247183
Area 2.9666813453879E+16
Altitude 226681336.24272

Triangular Pyramid

Length = n
Surface area 2.9666813453879E+16
Volume 2.1134362336192E+24
Height 123389690.66821