12691491 is an odd 8-digits composite number following 12691490
and preceding 12691492 . In scientific notation, it is written as 1.2691491 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 8394120 positive integers (up to 12691491) that are relatively prime to 12691491.
12691491 has 8 divisors, whose sum is 17055744
The reverse of 12691491 is 19419621
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million six hundred ninety-one thousand four hundred ninety-one
Scientific notation
1.2691491 × 10^7
Engineering notation
1.2691491 × 10^6
Prime Factorization
3 × 127 × 33311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12691491
Product of the distinct prime numbers
The prime factorization of 12691491 is 3 × 127 × 33311.
Since it has a total of 3 prime factors.
8 , 9 , 31 , 83 , 311 , 428 , 1524 , 2803 , 44488 , 28535 , 592389 , 330767 , 1795975 , 7385630 , 22501335 , 85731933 , 15568092 , 481426279 , 1997334751 , 6434984888
n×2
25382982
n×3
38074473
n×4
50765964
n×5
63457455
n÷2
6345745.5
n÷3
4230497
n÷3
3172872.75
n÷5
2538298.2
n2
161073943803081
n3
2.0442685081113E+21
n4
2.5944815372278E+28
n5
3.2927839079393E+35
2 √n
3562.511894717
3 √n
233.25853770463
4 √n
59.686781574457
5 √n
26.345262442674
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
-12691490
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 12691491 can be divided by 8 positive divisors.
The sum of these divisors (counting 12691491) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000011010100000100011
3
Ternary
212212210110020
4
Quaternary
300122200203
5
Quinary
11222111431
6
Senary
1132004523
8
Octal
60324043
10
Decimal
12691491
12
Duodecimal
4300743
16
Hexadecimal
c1a823
20
Vigesimal
3j68eb
36
Base36
7k0tf
md5
fb3d52ecf00586540f928732370119d0
sha1
0472af7dc5723dfc18d7ed6eea66063ce482961a
sha256
7ede2c759a2f04bcbeac124eb1572e69bfa90c1016fed423abd7ef85134f5b87
sha512
effe8db1cda1453c97b1526dc7c45513ee29016b1c35c136995ee5d249c127b31ddc93fd167bbae15e100b220d36098a5f5e7255ce391ddbb52f95379bac17cc
ripemd-160
e906499775889d4ae73142ab5e5bb0d8c9a93b40
Diameter
25382982
Circumference
79742989.777402
Area
5.0602871853649E+14
Volume
8.5630119027299E+21
Surface area
2.024114874146E+15
Circumference
79742989.777402
Perimeter
50765964
Area
161073943803081
Diagonal
17948478.698936
Surface area
966443662818486
Volume
2.0442685081113E+21
Space diagonal
21982307.235803
Perimeter
38074473
Area
69747063610608
Altitude
10991153.617902
Surface area
69747063610608
Volume
2.409193541086E+20
Height
5982826.2329787