261330887 (number)

261330887 is an odd 9-digits composite number following 261330886 and preceding 261330888. In scientific notation, it is written as 2.61330887 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 256715712 positive integers (up to 261330887) that are relatively prime to 261330887.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million three hundred thirty thousand eight hundred eighty-seven

Notation

Scientific notation 2.61330887 × 10^8
Engineering notation 2.61330887 × 10^6

Prime Factorization of 261330887

Prime Factorization 10457 × 67 × 373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 261330887
Product of the distinct prime numbers

The prime factorization of 261330887 is 10457 × 67 × 373. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 6, 2, 672, 369, 8306, 5352, 10782, 54953, 38248, 538505, 4754632, 6727530, 78698616, 94018211, 899287637, 538028892, 3415874819, 3192689209

Basic calculations (n = 261330887)

Multiplication

n×y
n×2 522661774
n×3 783992661
n×4 1045323548
n×5 1306654435

Division

n÷y
n÷2 130665443.5
n÷3 87110295.666667
n÷3 65332721.75
n÷5 52266177.4

Exponentiation

ny
n2 68293832500206769
n3 1.7847287823908E+25
n4 4.6640475575663E+33
n5 1.218859685229E+42

Nth Root

y√n
2√n 16165.731873318
3√n 639.33760160246
4√n 127.144531433
5√n 48.243426768471

Divisors of 261330887

1, 67, 373, 10457, 24991, 700619, 3900461, 261330887

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 -261330886
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 261330887 can be divided by 8 positive divisors. The sum of these divisors (counting 261330887) is 1, the average is 0.125.

Base conversion 261330887

Base System Value
2 Binary 1111100100111001011111000111
3 Ternary 200012201222120202
4 Quaternary 33210321133013
5 Quinary 1013400042022
6 Senary 41533121115
8 Octal 1744713707
10 Decimal 261330887
12 Duodecimal 7362919b
16 Hexadecimal f9397c7
20 Vigesimal 41d6747
36 Base36 4bl87b

Cryptographic Hash Functions

md5 1ce1b6c8a6e68b0201d5ff190f39b26d
sha1 bb46b4f0ee250c7f932112be7622586eb9c8d192
sha256 7da9dc5bb5ae336121d229b2043b31d8bb54c9589c4a9ca0e95a2c8196d71021
sha512 0ade321976e33587f3a8c1591d6af7e434eb3d86489611e3fa9467e2eb833ef20c849fe88a18108f04475c52d5813919e6abefe02033d2c1c19e3cf8408b437d
ripemd-160 610cdaaa2b3eac64933351ca7a002aed8e6889de

261330887 as geometric shapes

Circle

Radius = n
Diameter 522661774
Circumference 1641990389.5106
Area 2.1455140246814E+17

Sphere

Radius = n
Volume 7.4758544418791E+25
Surface area 8.5820560987257E+17
Circumference 1641990389.5106

Square

Length = n
Perimeter 1045323548
Area 68293832500206769
Diagonal 369577684.66239

Cube

Length = n
Surface area 409762995001240614
Volume 1.7847287823908E+25
Space diagonal 452638373.87104

Equilateral Triangle

Length = n
Perimeter 783992661
Area 2.9572096933489E+16
Altitude 226319186.93552

Triangular Pyramid

Length = n
Surface area 2.9572096933489E+16
Volume 2.1033230410123E+24
Height 123192561.55413