261749386 (number)

261749386 is an even 9-digits composite number following 261749385 and preceding 261749387. In scientific notation, it is written as 2.61749386 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 130874692 positive integers (up to 261749386) that are relatively prime to 261749386.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.61749386 × 10^8
Engineering notation 2.61749386 × 10^6

Prime Factorization of 261749386

Prime Factorization 2 × 130874693

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261749386
Product of the distinct prime numbers

The prime factorization of 261749386 is 2 × 130874693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 75, 7, 797, 483, 2468, 364, 53953, 11218, 481181, 379928, 4136844, 5812383, 78488615, 52825503, 577152987, 999758564, 8218939725, 6995862783

Basic calculations (n = 261749386)

Multiplication

n×y
n×2 523498772
n×3 785248158
n×4 1046997544
n×5 1308746930

Division

n÷y
n÷2 130874693
n÷3 87249795.333333
n÷3 65437346.5
n÷5 52349877.2

Exponentiation

ny
n2 68512741071376996
n3 1.793316790861E+25
n4 4.6939956891135E+33
n5 1.2286504895121E+42

Nth Root

y√n
2√n 16178.670711774
3√n 639.67870103007
4√n 127.1954036582
5√n 48.258868422226

Divisors of 261749386

1, 2, 130874693, 261749386

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -261749385
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261749386 can be divided by 4 positive divisors. The sum of these divisors (counting 261749386) is 1, the average is 0.25.

Base conversion 261749386

Base System Value
2 Binary 1111100110011111101010001010
3 Ternary 200020112020122201
4 Quaternary 33212133222022
5 Quinary 1014001440021
6 Senary 41550110414
8 Octal 1746375212
10 Decimal 261749386
12 Duodecimal 737ab40a
16 Hexadecimal f99fa8a
20 Vigesimal 41fid96
36 Base36 4bu74a

Cryptographic Hash Functions

md5 ae86c04c8c708e2426780607bbc7b3f3
sha1 05eb579a01170fbef452a9f8b5097894089b2911
sha256 b09e190de00fb8584b100a1d2125e191a02bab726d5c6d05df535eed3bbbc9bf
sha512 61e6e119b60b70abaf408d3e5af21d72c45f41b01651cb165c7d493b8ddad66deb999d5d37b311f2fa9b5c27a4e506651c600238daaed62267c0897b33dfb0bc
ripemd-160 7b097ef7648791f329e64da1b6e960f689e939c6

261749386 as geometric shapes

Circle

Radius = n
Diameter 523498772
Circumference 1644619896.2785
Area 2.1523912402714E+17

Sphere

Radius = n
Volume 7.5118278076375E+25
Surface area 8.6095649610855E+17
Circumference 1644619896.2785

Square

Length = n
Perimeter 1046997544
Area 68512741071376996
Diagonal 370169531.62403

Cube

Length = n
Surface area 411076446428261976
Volume 1.793316790861E+25
Space diagonal 453363235.40196

Equilateral Triangle

Length = n
Perimeter 785248158
Area 2.9666887125359E+16
Altitude 226681617.70098

Triangular Pyramid

Length = n
Surface area 2.9666887125359E+16
Volume 2.1134441060558E+24
Height 123389843.87468