261330885 is an odd 9-digits composite number following 261330884
and preceding 261330886 . In scientific notation, it is written as 2.61330885 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 130475520 positive integers (up to 261330885) that are relatively prime to 261330885.
261330885 has 16 divisors, whose sum is 284368320
The reverse of 261330885 is 588033162
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred sixty-one million three hundred thirty thousand eight hundred eighty-five
Scientific notation
2.61330885 × 10^8
Engineering notation
2.61330885 × 10^6
Prime Factorization
45 × 17 × 211 × 1619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
261330885
Product of the distinct prime numbers
The prime factorization of 261330885 is 45 × 17 × 211 × 1619.
Since it has a total of 4 prime factors.
7 , 2 , 93 , 19 , 823 , 894 , 567 , 2486 , 41760 , 32981 , 220001 , 709634 , 525191 , 4873012 , 29889067 , 40890180 , 433524451 , 329385959 , 2840507687 , 8915184101
n×2
522661770
n×3
783992655
n×4
1045323540
n×5
1306654425
n÷2
130665442.5
n÷3
87110295
n÷3
65332721.25
n÷5
52266177
n2
68293831454883225
n3
1.7847287414145E+25
n4
4.664047414788E+33
n5
1.2188596385885E+42
2 √n
16165.731811458
3 √n
639.33759997148
4 √n
127.14453118974
5 √n
48.243426694629
1 , 17 , 45 , 211 , 765 , 1619 , 3587 , 9495 , 27523 , 72855 , 161415 , 341609 , 1238535 , 5807353 , 15372405 , 261330885
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-261330884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 261330885 can be divided by 16 positive divisors.
The sum of these divisors (counting 261330885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111100100111001011111000101
3
Ternary
200012201222120200
4
Quaternary
33210321133011
5
Quinary
1013400042020
6
Senary
41533121113
8
Octal
1744713705
10
Decimal
261330885
12
Duodecimal
73629199
16
Hexadecimal
f9397c5
20
Vigesimal
41d6745
36
Base36
4bl879
md5
f250f70b8803209d97e506c34566cf93
sha1
55ecf567fc123a7b95d579b70ba130dd02b30738
sha256
e7d9611f11d1375184d31cbe77e634b966509ec5c506a21361c065163ed16b9a
sha512
d1cfa9c48a3dc70f80da838af357f9b70feebf3f48d9bee99464f58aeed65eca16726b525a12e7471e5282d34cb4fb3ed29161267c215a0ac51f1b56d67f0269
ripemd-160
361ed3d99a88fe5a09ed4dfce4281b94ee5eb473
Diameter
522661770
Circumference
1641990376.9442
Area
2.1455139918416E+17
Volume
7.475854270238E+25
Surface area
8.5820559673664E+17
Circumference
1641990376.9442
Perimeter
1045323540
Area
68293831454883225
Diagonal
369577681.83396
Surface area
409762988729299350
Volume
1.7847287414145E+25
Space diagonal
452638370.40694
Perimeter
783992655
Area
2.9572096480851E+16
Altitude
226319185.20347
Surface area
2.9572096480851E+16
Volume
2.1033229927213E+24
Height
123192560.61132