261330251 (number)

261330251 is an odd 9-digits composite number following 261330250 and preceding 261330252. In scientific notation, it is written as 2.61330251 × 10^8. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 206766720 positive integers (up to 261330251) that are relatively prime to 261330251.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred thirty thousand two hundred fifty-one

Notation

Scientific notation 2.61330251 × 10^8
Engineering notation 2.61330251 × 10^6

Prime Factorization of 261330251

Prime Factorization 7 × 13 × 2871761

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 261330251
Product of the distinct prime numbers

The prime factorization of 261330251 is 7 × 13 × 2871761. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 77, 89, 941, 325, 2216, 2368, 26755, 64867, 386356, 931832, 5297767, 9152235, 18882301, 28056877, 868784340, 441947218, 4545692481, 1407658661

Basic calculations (n = 261330251)

Multiplication

n×y
n×2 522660502
n×3 783990753
n×4 1045321004
n×5 1306651255

Division

n÷y
n÷2 130665125.5
n÷3 87110083.666667
n÷3 65332562.75
n÷5 52266050.2

Exponentiation

ny
n2 68293500087723001
n3 1.7847157519593E+25
n4 4.6640021542318E+33
n5 1.2188448536299E+42

Nth Root

y√n
2√n 16165.712202065
3√n 639.33708295086
4√n 127.14445407514
5√n 48.243403286479

Divisors of 261330251

1, 7, 13, 91, 2871761, 20102327, 37332893, 261330251

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 -261330250
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 261330251 can be divided by 8 positive divisors. The sum of these divisors (counting 261330251) is 1, the average is 0.125.

Base conversion 261330251

Base System Value
2 Binary 1111100100111001010101001011
3 Ternary 200012201221201012
4 Quaternary 33210321111023
5 Quinary 1013400032001
6 Senary 41533114135
8 Octal 1744712513
10 Decimal 261330251
12 Duodecimal 7362894b
16 Hexadecimal f93954b
20 Vigesimal 41d65cb
36 Base36 4bl7pn

Cryptographic Hash Functions

md5 97de56ffaad13e9f7cfd955a6e30d3fb
sha1 ab1c09e1425ad6ab8580fe5abfd92cd207c336a2
sha256 6ffe58e2f2c0699dd20f6c5e96a0be1f6c40274aac44fb951b37cbe3a039a8af
sha512 a239386e8020ec2dde641754aada8960439d8b0587608e0de0dc59d616ba6bcce72d00cbbd9c57ecddfc4ac6c8488fdd8ffd1d852d31e468647ddef4a2374fb3
ripemd-160 fc4203715cb466b9e1441262e37e1856d92076a4

261330251 as geometric shapes

Circle

Radius = n
Diameter 522660502
Circumference 1641986393.4048
Area 2.1455035816352E+17

Sphere

Radius = n
Volume 7.4757998601352E+25
Surface area 8.582014326541E+17
Circumference 1641986393.4048

Square

Length = n
Perimeter 1045321004
Area 68293500087723001
Diagonal 369576785.22257

Cube

Length = n
Surface area 409761000526338006
Volume 1.7847157519593E+25
Space diagonal 452637272.28673

Equilateral Triangle

Length = n
Perimeter 783990753
Area 2.9571952994661E+16
Altitude 226318636.14336

Triangular Pyramid

Length = n
Surface area 2.9571952994661E+16
Volume 2.1033076845015E+24
Height 123192261.74086