261749382 is an even 9-digits composite number following 261749381
and preceding 261749383 . In scientific notation, it is written as 2.61749382 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 87249792 positive integers (up to 261749382) that are relatively prime to 261749382.
261749382 has 8 divisors, whose sum is 523498776
The reverse of 261749382 is 283947162
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 eighty-two
Scientific notation
2.61749382 × 10^8
Engineering notation
2.61749382 × 10^6
Prime Factorization
2 × 3 × 43624897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261749382
Product of the distinct prime numbers
The prime factorization of 261749382 is 2 × 3 × 43624897.
Since it has a total of 3 prime factors.
8 , 9 , 93 , 14 , 784 , 39 , 9641 , 1693 , 38241 , 48219 , 290351 , 527602 , 257081 , 5213375 , 51251055 , 7014719 , 813744098 , 587013892 , 385672099 , 4217748085
n×2
523498764
n×3
785248146
n×4
1046997528
n×5
1308746910
n÷2
130874691
n÷3
87249794
n÷3
65437345.5
n÷5
52349876.4
n2
68512738977381924
n3
1.7933167086457E+25
n4
4.6939954021829E+33
n5
1.2286503956322E+42
2 √n
16178.670588154
3 √n
639.67869777159
4 √n
127.19540317226
5 √n
48.25886827473
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
-261749381
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 261749382 can be divided by 8 positive divisors.
The sum of these divisors (counting 261749382) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100110011111101010000110
3
Ternary
200020112020122120
4
Quaternary
33212133222012
5
Quinary
1014001440012
6
Senary
41550110410
8
Octal
1746375206
10
Decimal
261749382
12
Duodecimal
737ab406
16
Hexadecimal
f99fa86
20
Vigesimal
41fid92
36
Base36
4bu746
md5
8adb635ceb1c6a5cbc293f2e71c53989
sha1
21251672a2e8dd5f25c6bc83a96805f36a65a0bb
sha256
80be6c08162015725573620d6ac2af26be5957322538d5ab65c481a5f504b434
sha512
5d955c9f1858e1d7dbf6035d42f808bc54c546df981a70feca82cf2a5bb675a25d52a7c17cf5949e6d554bc853546e920d1bb1744fed3ae11225d846851cbbc1
ripemd-160
5ff521a4c578644a47c11a7eb3194994e12e9dcf
Diameter
523498764
Circumference
1644619871.1457
Area
2.1523911744866E+17
Volume
7.5118274632549E+25
Surface area
8.6095646979463E+17
Circumference
1644619871.1457
Perimeter
1046997528
Area
68512738977381924
Diagonal
370169525.96718
Surface area
411076433864291544
Volume
1.7933167086457E+25
Space diagonal
453363228.47375
Perimeter
785248146
Area
2.9666886218633E+16
Altitude
226681614.23688
Surface area
2.9666886218633E+16
Volume
2.1134440091642E+24
Height
123389841.98906