261609989 (number)

261609989 is an odd 9-digits prime number following 261609988 and preceding 261609990. In scientific notation, it is written as 2.61609989 × 10^8. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 261609988 positive integers (up to 261609989) that are relatively prime to 261609989.

Interesting facts

Basic properties

Name

Name two hundred sixty-one million six hundred nine thousand nine hundred eighty-nine

Notation

Scientific notation 2.61609989 × 10^8
Engineering notation 2.61609989 × 10^6

Prime Factorization of 261609989

Prime Factorization 261609989

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 261609989
Product of the distinct prime numbers

The prime factorization of 261609989 is 261609989. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 3, 91, 5, 219, 810, 5642, 6928, 84061, 75322, 623824, 577139, 9293650, 2528118, 94471158, 2141938, 422122310, 898932980, 3839580660, 1887848995

Basic calculations (n = 261609989)

Multiplication

n×y
n×2 523219978
n×3 784829967
n×4 1046439956
n×5 1308049945

Division

n÷y
n÷2 130804994.5
n÷3 87203329.666667
n÷3 65402497.25
n÷5 52321997.8

Exponentiation

ny
n2 68439786344580121
n3 1.7904531752768E+25
n4 4.6840043548918E+33
n5 1.2253823277592E+42

Nth Root

y√n
2√n 16174.36208943
3√n 639.56512530886
4√n 127.17846550981
5√n 48.253727187641

Divisors of 261609989

1, 261609989

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 261609990
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 130804995
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 16174.362120343
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999992355
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 261609989 can be divided by 2 positive divisors. The sum of these divisors (counting 261609989) is 261609990, the average is 130804995.

Base conversion 261609989

Base System Value
2 Binary 1111100101111101101000000101
3 Ternary 200020021011102212
4 Quaternary 33211331220011
5 Quinary 1013433004424
6 Senary 41543113205
8 Octal 1745755005
10 Decimal 261609989
12 Duodecimal 73742805
16 Hexadecimal f97da05
20 Vigesimal 41f14j9
36 Base36 4br7k5

Cryptographic Hash Functions

md5 6a27727d4f67b70beff7879653145928
sha1 accb3bdf26f2f6b671cacfcdef026229cd6c5aab
sha256 4c89d99de9dc78c898521cfcfa5b1d2fae20d2e8d46a8d604764232cecc49b0e
sha512 e0bfe2511b4857281f781b767ac0a64ed3393ec283066d6c8ebdf46aab2943cd0dad99ae21d5f6e4d6837436181c8b41e8d8ee42c65a6e5be60be7b07be7fb86
ripemd-160 d0642387e465015999b646b320522348051302f1

261609989 as geometric shapes

Circle

Radius = n
Diameter 523219978
Circumference 1643744039.0962
Area 2.1500992999339E+17

Sphere

Radius = n
Volume 7.4998327227281E+25
Surface area 8.6003971997355E+17
Circumference 1643744039.0962

Square

Length = n
Perimeter 1046439956
Area 68439786344580121
Diagonal 369972394.49608

Cube

Length = n
Surface area 410638718067480726
Volume 1.7904531752768E+25
Space diagonal 453121792.71554

Equilateral Triangle

Length = n
Perimeter 784829967
Area 2.9635296801993E+16
Altitude 226560896.35777

Triangular Pyramid

Length = n
Surface area 2.9635296801993E+16
Volume 2.1100693027253E+24
Height 123324131.49869