12957861 is an odd 8-digits composite number following 12957860
and preceding 12957862 . In scientific notation, it is written as 1.2957861 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 7368624 positive integers (up to 12957861) that are relatively prime to 12957861.
12957861 has 16 divisors, whose sum is 19841024
The reverse of 12957861 is 16875921
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million nine hundred fifty-seven thousand eight hundred sixty-one
Scientific notation
1.2957861 × 10^7
Engineering notation
1.2957861 × 10^6
Prime Factorization
3 × 7 × 223 × 2767
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12957861
Product of the distinct prime numbers
The prime factorization of 12957861 is 3 × 7 × 223 × 2767.
Since it has a total of 4 prime factors.
1 , 5 , 94 , 33 , 425 , 710 , 5102 , 6839 , 61383 , 15639 , 658718 , 519048 , 6079846 , 5724188 , 13441065 , 41066450 , 108181607 , 63652855 , 8389737929 , 3441854426
n×2
25915722
n×3
38873583
n×4
51831444
n×5
64789305
n÷2
6478930.5
n÷3
4319287
n÷3
3239465.25
n÷5
2591572.2
n2
167906161695321
n3
2.1757047042915E+21
n4
2.8192479135255E+28
n5
3.6531422588004E+35
2 √n
3599.7029044075
3 √n
234.87913507103
4 √n
59.997524152314
5 √n
26.454932842427
1 , 3 , 7 , 21 , 223 , 669 , 1561 , 2767 , 4683 , 8301 , 19369 , 58107 , 617041 , 1851123 , 4319287 , 12957861
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
-12957860
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 12957861 can be divided by 16 positive divisors.
The sum of these divisors (counting 12957861) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001011011100010100101
3
Ternary
220101022211210
4
Quaternary
301123202211
5
Quinary
11304122421
6
Senary
1141422033
8
Octal
61334245
10
Decimal
12957861
12
Duodecimal
440a919
16
Hexadecimal
c5b8a5
20
Vigesimal
40jed1
36
Base36
7pqcl
md5
a51ce91f445c6da52897459a4a640bbf
sha1
3f29144ce79b520b685c76878e522e840f3b35c5
sha256
c868511c899d19214748a4dac56dc5a482a34313379909eeb57dc04ba25e848d
sha512
665f313e44e2fd97874368a546e5b21371ac40dbca34072474c622221b17f603e438d6ef69db0011844814bb68ca008b2e259fd9f8b60ca7abf7a06451c779e5
ripemd-160
6a5c86ae72aaff49efbed508fe92086f25fa080e
Diameter
25915722
Circumference
81416641.847675
Area
5.2749276407448E+14
Volume
9.1135705538439E+21
Surface area
2.1099710562979E+15
Circumference
81416641.847675
Perimeter
51831444
Area
167906161695321
Diagonal
18325182.765545
Surface area
1007436970171926
Volume
2.1757047042915E+21
Space diagonal
22443673.609415
Perimeter
38873583
Area
72705500740043
Altitude
11221836.804708
Surface area
72705500740043
Volume
2.5640925837733E+20
Height
6108394.2551818