12961661 is an odd 8-digits composite number following 12961660
and preceding 12961662 . In scientific notation, it is written as 1.2961661 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 12718080 positive integers (up to 12961661) that are relatively prime to 12961661.
12961661 has 8 divisors, whose sum is 13207224
The reverse of 12961661 is 16616921
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twelve million nine hundred sixty-one thousand six hundred sixty-one
Scientific notation
1.2961661 × 10^7
Engineering notation
1.2961661 × 10^6
Prime Factorization
73 × 277 × 641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12961661
Product of the distinct prime numbers
The prime factorization of 12961661 is 73 × 277 × 641.
Since it has a total of 3 prime factors.
2 , 6 , 34 , 100 , 187 , 114 , 4847 , 7875 , 42226 , 25350 , 174056 , 720838 , 9034237 , 9532828 , 98050943 , 11515326 , 399872103 , 602933597 , 6200599190 , 5391257939
n×2
25923322
n×3
38884983
n×4
51846644
n×5
64808305
n÷2
6480830.5
n÷3
4320553.6666667
n÷3
3240415.25
n÷5
2592332.2
n2
168004655878921
n3
2.1776193959242E+21
n4
2.8225564396995E+28
n5
3.6585019724751E+35
2 √n
3600.2306870533
3 √n
234.90209291052
4 √n
60.001922361315
5 √n
26.456484286057
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
-12961660
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 12961661 can be divided by 8 positive divisors.
The sum of these divisors (counting 12961661) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001011100011101111101
3
Ternary
220101112001112
4
Quaternary
301130131331
5
Quinary
11304233121
6
Senary
1141451405
8
Octal
61343575
10
Decimal
12961661
12
Duodecimal
4410b65
16
Hexadecimal
c5c77d
20
Vigesimal
410431
36
Base36
7pta5
md5
6859880c1f9faa9c1f9f7e0074bd039c
sha1
bc662965f8d1e9cd43f254b50b07c38f09bbb9ce
sha256
50d3d1c691f419e6bb637c49bf20b1ff02cca8ef3fbf8bb5003868c046f30cec
sha512
58992a7756df4384d871a46a293f8de904e2de45e60fcf98dbbd71065efcff65cf29abe0300675d09a73c546047426b2abb830867222fd22e4653e7e222bb0ac
ripemd-160
9b986ab1032850feee203d2778774ec773fc4794
Diameter
25923322
Circumference
81440517.951843
Area
5.278021926781E+14
Volume
9.1215907954003E+21
Surface area
2.1112087707124E+15
Circumference
81440517.951843
Perimeter
51846644
Area
168004655878921
Diagonal
18330556.777082
Surface area
1008027935273526
Volume
2.1776193959242E+21
Space diagonal
22450255.402484
Perimeter
38884983
Area
72748149972604
Altitude
11225127.701242
Surface area
72748149972604
Volume
2.5663490695023E+20
Height
6110185.5923608