261749331 (number)

261749331 is an odd 9-digits composite number following 261749330 and preceding 261749332. In scientific notation, it is written as 2.61749331 × 10^8. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 168482160 positive integers (up to 261749331) that are relatively prime to 261749331.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.61749331 × 10^8
Engineering notation 2.61749331 × 10^6

Prime Factorization of 261749331

Prime Factorization 87 × 3 × 1002871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 261749331
Product of the distinct prime numbers

The prime factorization of 261749331 is 87 × 3 × 1002871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 4, 97, 54, 679, 413, 2714, 337, 88912, 23527, 14946, 952958, 976130, 4166510, 51242655, 88271241, 633785382, 692049647, 8319496291, 9500399374

Basic calculations (n = 261749331)

Multiplication

n×y
n×2 523498662
n×3 785247993
n×4 1046997324
n×5 1308746655

Division

n÷y
n÷2 130874665.5
n÷3 87249777
n÷3 65437332.75
n÷5 52349866.2

Exponentiation

ny
n2 68512712278947561
n3 1.793315660401E+25
n4 4.6939917438179E+33
n5 1.2286491986638E+42

Nth Root

y√n
2√n 16178.669012005
3√n 639.67865622598
4√n 127.19539697648
5√n 48.25886639415

Divisors of 261749331

1, 3, 87, 261, 1002871, 3008613, 87249777, 261749331

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261749330
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261749331 can be divided by 8 positive divisors. The sum of these divisors (counting 261749331) is 1, the average is 0.125.

Base conversion 261749331

Base System Value
2 Binary 1111100110011111101001010011
3 Ternary 200020112020120200
4 Quaternary 33212133221103
5 Quinary 1014001434311
6 Senary 41550110243
8 Octal 1746375123
10 Decimal 261749331
12 Duodecimal 737ab383
16 Hexadecimal f99fa53
20 Vigesimal 41fid6b
36 Base36 4bu72r

Cryptographic Hash Functions

md5 1e0bdbd59f5fd1cd9ae74707deb5e924
sha1 45bf6e782ed271e8c82e99d335331ad66b6331e0
sha256 b00b283d020087f82354d4f8b7e4d4d77d4fd1783d1721352bd83a0a5918b969
sha512 0839c979ff25aff4ad68e6be3b3011ce370891cd391b8f49ba07d96dce2cf7065a2b0f652c88b0602dc97c9e70cd52413816d00295ced472a2513ea11decdd0e
ripemd-160 e76efcb24e7e9e2ee7d6869ddb301736b6ee0456

261749331 as geometric shapes

Circle

Radius = n
Diameter 523498662
Circumference 1644619550.7033
Area 2.1523903357305E+17

Sphere

Radius = n
Volume 7.5118230723777E+25
Surface area 8.6095613429221E+17
Circumference 1644619550.7033

Square

Length = n
Perimeter 1046997324
Area 68512712278947561
Diagonal 370169453.84228

Cube

Length = n
Surface area 411076273673685366
Volume 1.793315660401E+25
Space diagonal 453363140.13916

Equilateral Triangle

Length = n
Perimeter 785247993
Area 2.9666874657871E+16
Altitude 226681570.06958

Triangular Pyramid

Length = n
Surface area 2.9666874657871E+16
Volume 2.113442773796E+24
Height 123389817.94743