12971491 is an odd 8-digits composite number following 12971490
and preceding 12971492 . In scientific notation, it is written as 1.2971491 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 11973672 positive integers (up to 12971491) that are relatively prime to 12971491.
12971491 has 4 divisors, whose sum is 13969312
The reverse of 12971491 is 19417921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred seventy-one thousand four hundred ninety-one
Scientific notation
1.2971491 × 10^7
Engineering notation
1.2971491 × 10^6
Prime Factorization
13 × 997807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12971491
Product of the distinct prime numbers
The prime factorization of 12971491 is 13 × 997807.
Since it has a total of 2 prime factors.
7 , 3 , 3 , 7 , 99 , 818 , 4923 , 1192 , 82706 , 14566 , 291024 , 18727 , 6043543 , 6838153 , 30483668 , 74808175 , 226953220 , 901934197 , 6008403106 , 9093450400
n×2
25942982
n×3
38914473
n×4
51885964
n×5
64857455
n÷2
6485745.5
n÷3
4323830.3333333
n÷3
3242872.75
n÷5
2594298.2
n2
168259578763081
n3
2.1825776115891E+21
n4
2.8311285845529E+28
n5
3.6723958954371E+35
2 √n
3601.5956186113
3 √n
234.96146040694
4 √n
60.013295348708
5 √n
26.46049593832
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
-12971490
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 12971491 can be divided by 4 positive divisors.
The sum of these divisors (counting 12971491) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011110110111100011
3
Ternary
220102000112121
4
Quaternary
301132313203
5
Quinary
11310041431
6
Senary
1142005111
8
Octal
61366743
10
Decimal
12971491
12
Duodecimal
4416797
16
Hexadecimal
c5ede3
20
Vigesimal
4118eb
36
Base36
7q0v7
md5
1919cd2b69b58f5cbb6ed4e908709106
sha1
b139e15a95edccad6b450394569b207c08f2dd84
sha256
b1b641c7e64b16c079a31c6f737183192fb5a01121e9944be51b6d12126a8f15
sha512
02b4e37dfca7f880051a18c6b4560a7038aed47f743b1dcc9e66656f54243052586b57f8ec2e220bb852f87db70dc2fd369dff3d594c1e42b30489fe35711295
ripemd-160
4d79e5af98ffe5af742eee42a23ec571abb877d2
Diameter
25942982
Circumference
81502281.663412
Area
5.2860305653821E+14
Volume
9.1423597206105E+21
Surface area
2.1144122261528E+15
Circumference
81502281.663412
Perimeter
51885964
Area
168259578763081
Diagonal
18344458.496401
Surface area
1009557472578486
Volume
2.1825776115891E+21
Space diagonal
22467281.461922
Perimeter
38914473
Area
72858534819448
Altitude
11233640.730961
Surface area
72858534819448
Volume
2.572192382701E+20
Height
6114819.4988002