261642005 is an odd 9-digits composite number following 261642004
and preceding 261642006 . In scientific notation, it is written as 2.61642005 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 209250000 positive integers (up to 261642005) that are relatively prime to 261642005.
261642005 has 8 divisors, whose sum is 314065824
The reverse of 261642005 is 500246162
Previous prime number is 4651
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred sixty-one million six hundred forty-two thousand five
Scientific notation
2.61642005 × 10^8
Engineering notation
2.61642005 × 10^6
Prime Factorization
5 × 4651 × 11251
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
261642005
Product of the distinct prime numbers
The prime factorization of 261642005 is 5 × 4651 × 11251.
Since it has a total of 3 prime factors.
7 , 7 , 5 , 61 , 949 , 581 , 9845 , 3696 , 15792 , 27495 , 285030 , 81574 , 5972911 , 4177922 , 74910364 , 48985220 , 977990923 , 47602126 , 1651079765 , 2035190011
n×2
523284010
n×3
784926015
n×4
1046568020
n×5
1308210025
n÷2
130821002.5
n÷3
87214001.666667
n÷3
65410501.25
n÷5
52328401
n2
68456538780420025
n3
1.7911106061869E+25
n4
4.6862977017952E+33
n5
1.2261323267246E+42
2 √n
16175.351773609
3 √n
639.59121437613
4 √n
127.18235637701
5 √n
48.254908194311
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
-261642004
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 261642005 can be divided by 8 positive divisors.
The sum of these divisors (counting 261642005) is 1, the average is 0.125.
Base
System
Value
2
Binary
1111100110000101011100010101
3
Ternary
200020022210100122
4
Quaternary
33212011130111
5
Quinary
1013440021010
6
Senary
41543521325
8
Octal
1746053425
10
Decimal
261642005
12
Duodecimal
73759245
16
Hexadecimal
f985715
20
Vigesimal
41f5505
36
Base36
4brw9h
md5
082cefa12bec043bb94b35157af95102
sha1
adac778ee2896ca5d2f3cd8dc79f67f56bb7c813
sha256
089784a60f2eaccc959bca165cff4c23c7e67830d24765aee37548a4c5c7d681
sha512
337bcd68f02479f8c84e93954906d1b6b5f0eca70991eaca3c275b87d2be27742f0face6b52b3880e95d7ba3c98782d611963a24d7ad0ce6b8e773d8f92ec2b9
ripemd-160
675ca963f369d063b4d0a3de7afdd35c9f5ea216
Diameter
523284010
Circumference
1643945201.557
Area
2.1506255932275E+17
Volume
7.5025865628848E+25
Surface area
8.6025023729101E+17
Circumference
1643945201.557
Perimeter
1046568020
Area
68456538780420025
Diagonal
370017671.95749
Surface area
410739232682520150
Volume
1.7911106061869E+25
Space diagonal
453177246.05419
Perimeter
784926015
Area
2.9642550819499E+16
Altitude
226588623.0271
Surface area
2.9642550819499E+16
Volume
2.1108440924832E+24
Height
123339223.98583