261887828 is an even 9-digits composite number following 261887827
and preceding 261887829 . In scientific notation, it is written as 2.61887828 × 10^8.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 127539200 positive integers (up to 261887828) that are relatively prime to 261887828.
261887828 has 24 divisors, whose sum is 470257704
The reverse of 261887828 is 828788162
Previous prime number is 941
Is Prime? no
Number parity even
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred sixty-one million eight hundred eighty-seven thousand eight hundred twenty-eight
Scientific notation
2.61887828 × 10^8
Engineering notation
2.61887828 × 10^6
Prime Factorization
2 × 2 × 41 × 941 × 1697
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
130943914
Product of the distinct prime numbers
The prime factorization of 261887828 is 2 × 2 × 41 × 941 × 1697.
Since it has a total of 5 prime factors.
10 , 6 , 76 , 96 , 624 , 686 , 4103 , 7858 , 83075 , 48957 , 363917 , 936555 , 2955201 , 6571848 , 61533137 , 27254912 , 591605644 , 743176889 , 8316350288 , 8852105588
n×2
523775656
n×3
785663484
n×4
1047551312
n×5
1309439140
n÷2
130943914
n÷3
87295942.666667
n÷3
65471957
n÷5
52377565.6
n2
68585234454557584
n3
1.7961638084175E+25
n4
4.7039343851866E+33
n5
1.231903159191E+42
2 √n
16182.948680633
3 √n
639.79145874782
4 √n
127.21221906968
5 √n
48.263972267045
1 , 2 , 4 , 41 , 82 , 164 , 941 , 1697 , 1882 , 3394 , 3764 , 6788 , 38581 , 69577 , 77162 , 139154 , 154324 , 278308 , 1596877 , 3193754 , 6387508 , 65471957 , 130943914 , 261887828
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261887827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261887828 can be divided by 24 positive divisors.
The sum of these divisors (counting 261887828) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1111100111000001011101010100
3
Ternary
200020210021120012
4
Quaternary
33213001131110
5
Quinary
1014020402303
6
Senary
41553055352
8
Octal
1747013524
10
Decimal
261887828
12
Duodecimal
73857558
16
Hexadecimal
f9c1754
20
Vigesimal
41gfjb8
36
Base36
4bx5xw
md5
542a9dde89e538ac946f747bdca22de3
sha1
43ee8b36171c5c0b81ac62b518e7f85adf5a4618
sha256
f71c8620ccbfd78be6274028bc78f530bb38d1d5f9dadc95e31d9f49d143a8d1
sha512
8b81e415218e48561e5cacb831a2dd4e7218add42fcc7a9f971159478ca8e93f742b99cf6c445d4e74101be7919f7d6ad2f6f733eccabae4fbe46be94ad5372c
ripemd-160
1153634ba3df3c55afbc14aae1ddce4f31df55d7
Diameter
523775656
Circumference
1645489753.0188
Area
2.1546686870717E+17
Volume
7.523753366891E+25
Surface area
8.6186747482869E+17
Circumference
1645489753.0188
Perimeter
1047551312
Area
68585234454557584
Diagonal
370365318.17803
Surface area
411511406727345504
Volume
1.7961638084175E+25
Space diagonal
453603023.97986
Perimeter
785663484
Area
2.9698277681079E+16
Altitude
226801511.98993
Surface area
2.9698277681079E+16
Volume
2.1167993484231E+24
Height
123455106.05934