261749328 is an even 9-digits composite number following 261749327
and preceding 261749329 . In scientific notation, it is written as 2.61749328 × 10^8.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 87249760 positive integers (up to 261749328) that are relatively prime to 261749328.
261749328 has 20 divisors, whose sum is 676185888
The reverse of 261749328 is 823947162
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred sixty-one million seven hundred forty-nine thousand three hundred twenty-eight
Scientific notation
2.61749328 × 10^8
Engineering notation
2.61749328 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 5453111
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32718666
Product of the distinct prime numbers
The prime factorization of 261749328 is 2 × 2 × 2 × 2 × 3 × 5453111.
Since it has a total of 6 prime factors.
1 , 4 , 99 , 36 , 175 , 173 , 2148 , 6580 , 20268 , 85049 , 481530 , 335861 , 8119699 , 6862127 , 11705341 , 69357741 , 544598336 , 949370279 , 1753986773 , 1640452650
n×2
523498656
n×3
785247984
n×4
1046997312
n×5
1308746640
n÷2
130874664
n÷3
87249776
n÷3
65437332
n÷5
52349865.6
n2
68512710708451584
n3
1.7933155987396E+25
n4
4.69399152862E+33
n5
1.228649128254E+42
2 √n
16178.66891929
3 √n
639.67865378212
4 √n
127.19539661202
5 √n
48.258866283528
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 5453111 , 10906222 , 16359333 , 21812444 , 32718666 , 43624888 , 65437332 , 87249776 , 130874664 , 261749328
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261749327
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261749328 can be divided by 20 positive divisors.
The sum of these divisors (counting 261749328) is 1, the average is 0.05.
Base
System
Value
2
Binary
1111100110011111101001010000
3
Ternary
200020112020120120
4
Quaternary
33212133221100
5
Quinary
1014001434303
6
Senary
41550110240
8
Octal
1746375120
10
Decimal
261749328
12
Duodecimal
737ab380
16
Hexadecimal
f99fa50
20
Vigesimal
41fid68
36
Base36
4bu72o
md5
5e759bf4d516efb48f28f8ea696a64b8
sha1
02534d1e2ae2e5ce30dd77b78cfb1824cd23ca84
sha256
01a459143134b799b51f47449d9087d8e8dcdfc69c52ac1616421f4ee259b5d3
sha512
25323db7c7d1f0f190dfbfcbd111f6babe782a1f746477d3bd62d0570702a410e8acd914636f7e91c083686fcbd6cbb76e216e09fbc969094366b431ff3271a1
ripemd-160
e2b457c7c1877ca5cabd002286151be78946f6ac
Diameter
523498656
Circumference
1644619531.8537
Area
2.1523902863919E+17
Volume
7.5118228140909E+25
Surface area
8.6095611455678E+17
Circumference
1644619531.8537
Perimeter
1046997312
Area
68512710708451584
Diagonal
370169449.59964
Surface area
411076264250709504
Volume
1.7933155987396E+25
Space diagonal
453363134.94301
Perimeter
785247984
Area
2.9666873977827E+16
Altitude
226681567.47151
Surface area
2.9666873977827E+16
Volume
2.1134427011273E+24
Height
123389816.53321