261043989 (number)

261043989 is an odd 9-digits composite number following 261043988 and preceding 261043990. In scientific notation, it is written as 2.61043989 × 10^8. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 174029324 positive integers (up to 261043989) that are relatively prime to 261043989.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million forty-three thousand nine hundred eighty-nine

Notation

Scientific notation 2.61043989 × 10^8
Engineering notation 2.61043989 × 10^6

Prime Factorization of 261043989

Prime Factorization 3 × 87014663

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 261043989
Product of the distinct prime numbers

The prime factorization of 261043989 is 3 × 87014663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 14, 10, 100, 800, 5697, 7235, 60345, 77518, 182246, 908676, 2874200, 1365640, 29657572, 67398995, 681684548, 118203236, 4423640882, 2767011218

Basic calculations (n = 261043989)

Multiplication

n×y
n×2 522087978
n×3 783131967
n×4 1044175956
n×5 1305219945

Division

n÷y
n÷2 130521994.5
n÷3 87014663
n÷3 65260997.25
n÷5 52208797.8

Exponentiation

ny
n2 68143964193032121
n3 1.7788572239222E+25
n4 4.6435998559412E+33
n5 1.2121838297147E+42

Nth Root

y√n
2√n 16156.855789416
3√n 639.1035536928
4√n 127.10962115205
5√n 48.232829456502

Divisors of 261043989

1, 3, 87014663, 261043989

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 -261043988
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 261043989 can be divided by 4 positive divisors. The sum of these divisors (counting 261043989) is 1, the average is 0.25.

Base conversion 261043989

Base System Value
2 Binary 1111100011110011011100010101
3 Ternary 200012012102000220
4 Quaternary 33203303130111
5 Quinary 1013311401424
6 Senary 41523024553
8 Octal 1743633425
10 Decimal 261043989
12 Duodecimal 7350b159
16 Hexadecimal f8f3715
20 Vigesimal 41ba9j9
36 Base36 4bf2tx

Cryptographic Hash Functions

md5 be8568de794f69d0db5c285cf3a5f174
sha1 6e0c16251c19e7d53fb1ed4c06e2a4508a6878e8
sha256 8b659b224713189ee86df1696021b13a439854963e98f160a3bbc567ea2b1ad4
sha512 eac21a1a440debb6baa4988809bd6a13c3a3beca2b6b7d524a8c1f5d64e292b88b0acc79c775a2a2f9c26cf2df4cbdf2177fcd6a2ecdf4264b0c205bdda35873
ripemd-160 7f38ef8641c4add8cd5b8f36328e46c19839e37b

261043989 as geometric shapes

Circle

Radius = n
Diameter 522087978
Circumference 1640187756.2123
Area 2.1408057729532E+17

Sphere

Radius = n
Volume 7.4512597152789E+25
Surface area 8.5632230918126E+17
Circumference 1640187756.2123

Square

Length = n
Perimeter 1044175956
Area 68143964193032121
Diagonal 369171949.61977

Cube

Length = n
Surface area 408863785158192726
Volume 1.7788572239222E+25
Space diagonal 452141451.95845

Equilateral Triangle

Length = n
Perimeter 783131967
Area 2.9507202052871E+16
Altitude 226070725.97923

Triangular Pyramid

Length = n
Surface area 2.9507202052871E+16
Volume 2.0964033429968E+24
Height 123057316.53992