261569128 is an even 9-digits composite number following 261569127
and preceding 261569129 . In scientific notation, it is written as 2.61569128 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 8 positive divisors.
There are 130784560 positive integers (up to 261569128) that are relatively prime to 261569128.
261569128 has 8 divisors, whose sum is 490442130
The reverse of 261569128 is 821965162
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred sixty-one million five hundred sixty-nine thousand one hundred twenty-eight
Scientific notation
2.61569128 × 10^8
Engineering notation
2.61569128 × 10^6
Prime Factorization
2 × 2 × 2 × 32696141
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
65392282
Product of the distinct prime numbers
The prime factorization of 261569128 is 2 × 2 × 2 × 32696141.
Since it has a total of 4 prime factors.
4 , 5 , 94 , 84 , 321 , 386 , 5002 , 9473 , 79280 , 50724 , 27583 , 557988 , 6716575 , 9663046 , 71463041 , 11506843 , 851769097 , 288243135 , 5694876576 , 4570005776
n×2
523138256
n×3
784707384
n×4
1046276512
n×5
1307845640
n÷2
130784564
n÷3
87189709.333333
n÷3
65392282
n÷5
52313825.6
n2
68418408722680384
n3
1.7896143508739E+25
n4
4.6810786521437E+33
n5
1.2244256611407E+42
2 √n
16173.098899098
3 √n
639.53182557211
4 √n
127.17349920128
5 √n
48.252219738518
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
-261569127
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 261569128 can be divided by 8 positive divisors.
The sum of these divisors (counting 261569128) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100101110011101001101000
3
Ternary
200020012002101111
4
Quaternary
33211303221220
5
Quinary
1013430203003
6
Senary
41542200104
8
Octal
1745635150
10
Decimal
261569128
12
Duodecimal
73723034
16
Hexadecimal
f973a68
20
Vigesimal
41eg2g8
36
Base36
4bqc14
md5
d351b831640572643db5e34a33975935
sha1
a249b3328fdb8a1269f2bc41fa77d1b015b6b35c
sha256
f5ae075f8956bc6cb705932b76f3ddbd3eb919859b3007a40dd181224aaa334e
sha512
966dfc5f31aa274056187d671231efb311c91154514739f2ae9c43ee53c794d25112382be8cf1b00a833921addb04b451a29101044fd07e2ae5fc5b98f488c71
ripemd-160
bb6e6b35d551b10f43125847e56e7ee7a9ea5ae4
Diameter
523138256
Circumference
1643487301.8614
Area
2.1494277021348E+17
Volume
7.4963190632858E+25
Surface area
8.5977108085391E+17
Circumference
1643487301.8614
Perimeter
1046276512
Area
68418408722680384
Diagonal
369914608.3157
Surface area
410510452336082304
Volume
1.7896143508739E+25
Space diagonal
453051019.38749
Perimeter
784707384
Area
2.9626040020174E+16
Altitude
226525509.69374
Surface area
2.9626040020174E+16
Volume
2.1090807386862E+24
Height
123304869.43857