261355655 (number)

261355655 is an odd 9-digits composite number following 261355654 and preceding 261355656. In scientific notation, it is written as 2.61355655 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 189113760 positive integers (up to 261355655) that are relatively prime to 261355655.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred fifty-five thousand six hundred fifty-five

Notation

Scientific notation 2.61355655 × 10^8
Engineering notation 2.61355655 × 10^6

Prime Factorization of 261355655

Prime Factorization 55 × 199 × 23879

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 261355655
Product of the distinct prime numbers

The prime factorization of 261355655 is 55 × 199 × 23879. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 8, 4, 430, 525, 6267, 2018, 31766, 98000, 401026, 485921, 579348, 9351582, 65309355, 60681288, 693885525, 878765432, 4180723834, 713228361

Basic calculations (n = 261355655)

Multiplication

n×y
n×2 522711310
n×3 784066965
n×4 1045422620
n×5 1306778275

Division

n÷y
n÷2 130677827.5
n÷3 87118551.666667
n÷3 65338913.75
n÷5 52271131

Exponentiation

ny
n2 68306778400479025
n3 1.7852362809797E+25
n4 4.6658159754521E+33
n5 1.2194373903738E+42

Nth Root

y√n
2√n 16166.497920082
3√n 639.35779900259
4√n 127.1475439011
5√n 48.244341201443

Divisors of 261355655

1, 55, 199, 10945, 23879, 1313345, 4751921, 261355655

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 -261355654
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 261355655 can be divided by 8 positive divisors. The sum of these divisors (counting 261355655) is 1, the average is 0.125.

Base conversion 261355655

Base System Value
2 Binary 1111100100111111100010000111
3 Ternary 200012210020120002
4 Quaternary 33210333202013
5 Quinary 1013401340110
6 Senary 41533431515
8 Octal 1744774207
10 Decimal 261355655
12 Duodecimal 7363b59b
16 Hexadecimal f93f887
20 Vigesimal 41d992f
36 Base36 4blrbb

Cryptographic Hash Functions

md5 3b8f39e7659aad125c15f4871605c77b
sha1 c53980801b58180f8c54480d10944820660bcf64
sha256 7a8a0d840899752d6c109f3900bb12017367387148934a0d0fb80a6ebcc923ed
sha512 9d4b3aeb5b3f63d9193f5a612d2a7fbe3a052fe435849dd505cc2e39a3895cd211e6c01f69e047d9dbc3f6a532bb7eb4f2ed318b37fced14bbf118d90970e418
ripemd-160 dc79cde56506d66508441b8df4e3e4467d5b96f8

261355655 as geometric shapes

Circle

Radius = n
Diameter 522711310
Circumference 1642146011.4443
Area 2.1459207321333E+17

Sphere

Radius = n
Volume 7.4779802469971E+25
Surface area 8.5836829285332E+17
Circumference 1642146011.4443

Square

Length = n
Perimeter 1045422620
Area 68306778400479025
Diagonal 369612711.9039

Cube

Length = n
Surface area 409840670402874150
Volume 1.7852362809797E+25
Space diagonal 452681273.30544

Equilateral Triangle

Length = n
Perimeter 784066965
Area 2.9577702672745E+16
Altitude 226340636.65272

Triangular Pyramid

Length = n
Surface area 2.9577702672745E+16
Volume 2.103921133835E+24
Height 123204237.3013