261749393 (number)

261749393 is an odd 9-digits composite number following 261749392 and preceding 261749394. In scientific notation, it is written as 2.61749393 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 261047280 positive integers (up to 261749393) that are relatively prime to 261749393.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.61749393 × 10^8
Engineering notation 2.61749393 × 10^6

Prime Factorization of 261749393

Prime Factorization 373 × 701741

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261749393
Product of the distinct prime numbers

The prime factorization of 261749393 is 373 × 701741. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 261749393)

Multiplication

n×y
n×2 523498786
n×3 785248179
n×4 1046997572
n×5 1308746965

Division

n÷y
n÷2 130874696.5
n÷3 87249797.666667
n÷3 65437348.25
n÷5 52349878.6

Exponentiation

ny
n2 68512744735868449
n3 1.7933169347378E+25
n4 4.6939961912423E+33
n5 1.228650653802E+42

Nth Root

y√n
2√n 16178.670928108
3√n 639.67870673241
4√n 127.19540450861
5√n 48.258868680345

Divisors of 261749393

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 -261749392
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 261749393 can be divided by 4 positive divisors. The sum of these divisors (counting 261749393) is 1, the average is 0.25.

Base conversion 261749393

Base System Value
2 Binary 1111100110011111101010010001
3 Ternary 200020112020122222
4 Quaternary 33212133222101
5 Quinary 1014001440033
6 Senary 41550110425
8 Octal 1746375221
10 Decimal 261749393
12 Duodecimal 737ab415
16 Hexadecimal f99fa91
20 Vigesimal 41fid9d
36 Base36 4bu74h

Cryptographic Hash Functions

md5 ce8fa8fec7423cee86bb9ae9f0803826
sha1 1cb0e256bab048d8e32abd788544d248f04353de
sha256 8a5265dc6beaf91470834867c9f1abc545c53fee9fcabec6aa6f878fd79c48e4
sha512 11d5adf5911e8f5bfeae68e8993f128157a217bf02ee89699d5ae485f3383328bf405cf2217ee7277cf40f1229cafdc12d0f9027b7aa5564eca18f6a15262e89
ripemd-160 431a843490460edbc223ae869ef38c57c8a99a89

261749393 as geometric shapes

Circle

Radius = n
Diameter 523498786
Circumference 1644619940.2608
Area 2.1523913553948E+17

Sphere

Radius = n
Volume 7.511828410307E+25
Surface area 8.6095654215791E+17
Circumference 1644619940.2608

Square

Length = n
Perimeter 1046997572
Area 68512744735868449
Diagonal 370169541.52353

Cube

Length = n
Surface area 411076468415210694
Volume 1.7933169347378E+25
Space diagonal 453363247.52631

Equilateral Triangle

Length = n
Perimeter 785248179
Area 2.966688871213E+16
Altitude 226681623.76316

Triangular Pyramid

Length = n
Surface area 2.966688871213E+16
Volume 2.1134442756162E+24
Height 123389847.17451