261609243 is an odd 9-digits composite number following 261609242
and preceding 261609244 . In scientific notation, it is written as 2.61609243 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 140697216 positive integers (up to 261609243) that are relatively prime to 261609243.
261609243 has 8 divisors, whose sum is 351744000
The reverse of 261609243 is 342906162
Previous prime number is 119
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred sixty-one million six hundred nine thousand two hundred forty-three
Scientific notation
2.61609243 × 10^8
Engineering notation
2.61609243 × 10^6
Prime Factorization
3 × 119 × 732799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261609243
Product of the distinct prime numbers
The prime factorization of 261609243 is 3 × 119 × 732799.
Since it has a total of 3 prime factors.
3 , 2 , 18 , 36 , 822 , 426 , 3367 , 5536 , 870 , 65433 , 329259 , 947130 , 7493562 , 7141815 , 91533655 , 1622671 , 31114827 , 122474204 , 1232292475 , 7769598627
n×2
523218486
n×3
784827729
n×4
1046436972
n×5
1308046215
n÷2
130804621.5
n÷3
87203081
n÷3
65402310.75
n÷5
52321848.6
n2
68439396023033049
n3
1.7904378584963E+25
n4
4.6839509279976E+33
n5
1.2253648565226E+42
2 √n
16174.339028226
3 √n
639.56451738605
4 √n
127.17837484504
5 √n
48.253699667804
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
-261609242
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 261609243 can be divided by 8 positive divisors.
The sum of these divisors (counting 261609243) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100101111101011100011011
3
Ternary
200020021010102020
4
Quaternary
33211331130123
5
Quinary
1013432443433
6
Senary
41543105523
8
Octal
1745753433
10
Decimal
261609243
12
Duodecimal
737422a3
16
Hexadecimal
f97d71b
20
Vigesimal
41f1323
36
Base36
4br6zf
md5
9e7d59945fd0e13c4b06b245c852b382
sha1
59a623c6e68080646390f4c93ef7dab392e9c660
sha256
2174156fa3af6eb6c2468a5799883a8724549db2f12400b7b43a5a0524de1bce
sha512
4bac6e95a5b16aaf9d882fc1975160980cf66b6b9c5cac01602b6cf0c0b38defea4b31f9954dda1bcc6e2a0b790bad3ecea73d9a1d486fb76e0d4f6e26efdf12
ripemd-160
bb93f4554825d9ce187786f40e14138774b4b06a
Diameter
523218486
Circumference
1643739351.84
Area
2.1500870376208E+17
Volume
7.499768563948E+25
Surface area
8.6003481504833E+17
Circumference
1643739351.84
Perimeter
1046436972
Area
68439396023033049
Diagonal
369971339.49276
Surface area
410636376138198294
Volume
1.7904378584963E+25
Space diagonal
453120500.60563
Perimeter
784827729
Area
2.9635127787805E+16
Altitude
226560250.30282
Surface area
2.9635127787805E+16
Volume
2.1100512517264E+24
Height
123323779.83092