261640648 (number)

261640648 is an even 9-digits composite number following 261640647 and preceding 261640649. In scientific notation, it is written as 2.61640648 × 10^8. The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors. There are 128351808 positive integers (up to 261640648) that are relatively prime to 261640648.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million six hundred forty thousand six hundred forty-eight

Notation

Scientific notation 2.61640648 × 10^8
Engineering notation 2.61640648 × 10^6

Prime Factorization of 261640648

Prime Factorization 2 × 2 × 2 × 53 × 617077

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 65410162
Product of the distinct prime numbers

The prime factorization of 261640648 is 2 × 2 × 2 × 53 × 617077. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 49, 25, 434, 322, 9456, 1021, 80914, 84910, 71033, 245712, 7967783, 2856045, 31986450, 13603499, 480004343, 675654031, 5693288604, 5620805161

Basic calculations (n = 261640648)

Multiplication

n×y
n×2 523281296
n×3 784921944
n×4 1046562592
n×5 1308203240

Division

n÷y
n÷2 130820324
n÷3 87213549.333333
n÷3 65410162
n÷5 52328129.6

Exponentiation

ny
n2 68455828685859904
n3 1.7910827376745E+25
n4 4.6862004810678E+33
n5 1.2261005305245E+42

Nth Root

y√n
2√n 16175.309827017
3√n 639.59010863271
4√n 127.18219146963
5√n 48.254858139621

Divisors of 261640648

1, 2, 4, 8, 53, 106, 212, 424, 617077, 1234154, 2468308, 4936616, 32705081, 65410162, 130820324, 261640648

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 -261640647
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 261640648 can be divided by 16 positive divisors. The sum of these divisors (counting 261640648) is 1, the average is 0.0625.

Base conversion 261640648

Base System Value
2 Binary 1111100110000101000111001000
3 Ternary 200020022201111101
4 Quaternary 33212011013020
5 Quinary 1013440000043
6 Senary 41543511144
8 Octal 1746050710
10 Decimal 261640648
12 Duodecimal 737584b4
16 Hexadecimal f9851c8
20 Vigesimal 41f51c8
36 Base36 4brv7s

Cryptographic Hash Functions

md5 dc3dbbdc9e709af90df39411613d8f96
sha1 7bce6fef4c11ccf5be775a846ee471983a8f07f4
sha256 4f3842ed541f6f6b669fe5d1a32c9e9f8e730028d576fae9cf10807a6d3c3717
sha512 ca94b4895d3d8858b2edc355c2cfdabcc3ff0f68af2cad40563127e5fcb28de68b6fe812e3e81c60c404583c90c9eb66beb6931de4c1b7ec17d8d7f27304327f
ripemd-160 44e9bf36ad22495d358de3c4816cedcb28843542

261640648 as geometric shapes

Circle

Radius = n
Diameter 523281296
Circumference 1643936675.2745
Area 2.150603284949E+17

Sphere

Radius = n
Volume 7.5024698275331E+25
Surface area 8.602413139796E+17
Circumference 1643936675.2745

Square

Length = n
Perimeter 1046562592
Area 68455828685859904
Diagonal 370015752.86969

Cube

Length = n
Surface area 410734972115159424
Volume 1.7910827376745E+25
Space diagonal 453174895.66124

Equilateral Triangle

Length = n
Perimeter 784921944
Area 2.9642243339535E+16
Altitude 226587447.83062

Triangular Pyramid

Length = n
Surface area 2.9642243339535E+16
Volume 2.1108112491264E+24
Height 123338584.2899