261728137 is an odd 9-digits composite number following 261728136
and preceding 261728138 . In scientific notation, it is written as 2.61728137 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 237934660 positive integers (up to 261728137) that are relatively prime to 261728137.
261728137 has 4 divisors, whose sum is 285521616
The reverse of 261728137 is 731827162
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred sixty-one million seven hundred twenty-eight thousand one hundred thirty-seven
Scientific notation
2.61728137 × 10^8
Engineering notation
2.61728137 × 10^6
Prime Factorization
11 × 23793467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
261728137
Product of the distinct prime numbers
The prime factorization of 261728137 is 11 × 23793467.
Since it has a total of 2 prime factors.
9 , 8 , 50 , 77 , 768 , 854 , 5187 , 4663 , 87316 , 8700 , 934349 , 622716 , 8509224 , 9789793 , 41936683 , 64593627 , 820151510 , 645639267 , 7586471083 , 1246639971
n×2
523456274
n×3
785184411
n×4
1046912548
n×5
1308640685
n÷2
130864068.5
n÷3
87242712.333333
n÷3
65432034.25
n÷5
52345627.4
n2
68501617697490769
n3
1.792880078145E+25
n4
4.6924716271732E+33
n5
1.2281518569054E+42
2 √n
16178.014000488
3 √n
639.66139070542
4 √n
127.19282212644
5 √n
48.258084858978
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261728136
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261728137 can be divided by 4 positive divisors.
The sum of these divisors (counting 261728137) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111100110011010011110001001
3
Ternary
200020111011111201
4
Quaternary
33212122132021
5
Quinary
1014000300022
6
Senary
41545424201
8
Octal
1746323611
10
Decimal
261728137
12
Duodecimal
7379b061
16
Hexadecimal
f99a789
20
Vigesimal
41fg06h
36
Base36
4btqq1
md5
64ee422f14114f957d6d79d2f91c68bd
sha1
0a1b1a89c201d8f0bd00fd7a17b7db48c979c48b
sha256
c2e9c47e42ad80cef45b51712dc1fbea1b5ed25393c181dac5cd89b79a34d6df
sha512
4b1f7e676653aa4563a5175ec7d7c2aa7b69f0427aab38d600fc17d8eb2b5a1afb065a4de9b10eae1be893e7213186457f5911e014a5a85930f65184cff5ae9a
ripemd-160
745ee1473c5884e9544b1d25045a5bad2115bc2e
Diameter
523456274
Circumference
1644486384.8739
Area
2.1520417891745E+17
Volume
7.5099985096906E+25
Surface area
8.6081671566981E+17
Circumference
1644486384.8739
Perimeter
1046912548
Area
68501617697490769
Diagonal
370139481.00004
Surface area
411009706184944614
Volume
1.792880078145E+25
Space diagonal
453326431.05435
Perimeter
785184411
Area
2.9662070563178E+16
Altitude
226663215.52717
Surface area
2.9662070563178E+16
Volume
2.1129294351844E+24
Height
123379827.00001