12791971 is an odd 8-digits composite number following 12791970
and preceding 12791972 . In scientific notation, it is written as 1.2791971 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 12783600 positive integers (up to 12791971) that are relatively prime to 12791971.
12791971 has 4 divisors, whose sum is 12800344
The reverse of 12791971 is 17919721
Previous prime number is 2011
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million seven hundred ninety-one thousand nine hundred seventy-one
Scientific notation
1.2791971 × 10^7
Engineering notation
1.2791971 × 10^6
Prime Factorization
2011 × 6361
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12791971
Product of the distinct prime numbers
The prime factorization of 12791971 is 2011 × 6361.
Since it has a total of 2 prime factors.
5 , 5 , 65 , 21 , 277 , 203 , 810 , 535 , 11237 , 10589 , 86752 , 463365 , 7555506 , 1101960 , 9964319 , 93913004 , 736768964 , 810599006 , 9088896513 , 5415952395
n×2
25583942
n×3
38375913
n×4
51167884
n×5
63959855
n÷2
6395985.5
n÷3
4263990.3333333
n÷3
3197992.75
n÷5
2558394.2
n2
163634522064841
n3
2.0932080608523E+21
n4
2.6776256811389E+28
n5
3.4252110061984E+35
2 √n
3576.5865011209
3 √n
233.87249853851
4 √n
59.804569232801
5 √n
26.386846656645
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
-12791970
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 12791971 can be divided by 4 positive divisors.
The sum of these divisors (counting 12791971) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000110011000010100011
3
Ternary
220001220021201
4
Quaternary
300303002203
5
Quinary
11233320341
6
Senary
1134102031
8
Octal
60630243
10
Decimal
12791971
12
Duodecimal
434a917
16
Hexadecimal
c330a3
20
Vigesimal
3jijib
36
Base36
7m6cj
md5
721193f1be3a51035d9aa7f85d078a22
sha1
459dc1b3a4eeb0fc878bfe71c1dc0c6f408d5c5a
sha256
213081dc5f39adbd64d6b76957d95e6e7c90aec425536e00a357cdea47f0f189
sha512
51b7f5d6ff878ab9fde1596f1c6f2e9ceb2a77929619ba84d3458c7d7c0c82a094921fbb9efb7b57c4ea049a0b39b4888374d2269fcf2dcfc1ba50a457ab81c3
ripemd-160
9bbe0f3789437d2d2a1d880dc18e4302d1aab55a
Diameter
25583942
Circumference
80374324.237067
Area
5.1407301239258E+14
Volume
8.7680094218781E+21
Surface area
2.0562920495703E+15
Circumference
80374324.237067
Perimeter
51167884
Area
163634522064841
Diagonal
18090578.877683
Surface area
981807132389046
Volume
2.0932080608523E+21
Space diagonal
22156343.700948
Perimeter
38375913
Area
70855826522139
Altitude
11078171.850474
Surface area
70855826522139
Volume
2.466869357105E+20
Height
6030192.9592278