12691889 is an odd 8-digits composite number following 12691888
and preceding 12691890 . In scientific notation, it is written as 1.2691889 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 10725120 positive integers (up to 12691889) that are relatively prime to 12691889.
12691889 has 8 divisors, whose sum is 14709888
The reverse of 12691889 is 98819621
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million six hundred ninety-one thousand eight hundred eighty-nine
Scientific notation
1.2691889 × 10^7
Engineering notation
1.2691889 × 10^6
Prime Factorization
7 × 71 × 25537
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12691889
Product of the distinct prime numbers
The prime factorization of 12691889 is 7 × 71 × 25537.
Since it has a total of 3 prime factors.
7 , 9 , 35 , 55 , 449 , 928 , 2515 , 9315 , 66091 , 71337 , 70299 , 798626 , 168648 , 4902824 , 59676447 , 11762915 , 455873394 , 265017261 , 9606689572 , 8282560125
n×2
25383778
n×3
38075667
n×4
50767556
n×5
63459445
n÷2
6345944.5
n÷3
4230629.6666667
n÷3
3172972.25
n÷5
2538377.8
n2
161084046388321
n3
2.0444608364314E+21
n4
2.5948070000835E+28
n5
3.2933002421482E+35
2 √n
3562.5677537417
3 √n
233.26097597679
4 √n
59.687249507258
5 √n
26.345427675947
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
-12691888
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 12691889 can be divided by 8 positive divisors.
The sum of these divisors (counting 12691889) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000011010100110110001
3
Ternary
212212210222222
4
Quaternary
300122212301
5
Quinary
11222120024
6
Senary
1132010425
8
Octal
60324661
10
Decimal
12691889
12
Duodecimal
4300a15
16
Hexadecimal
c1a9b1
20
Vigesimal
3j69e9
36
Base36
7k14h
md5
9aa180a188996d688791fda6fa424451
sha1
6f9529676eb7feb9244a0f5890d9eb806f182ee9
sha256
3ff2917128049a78782c5612b16cd25141ef6b13d19a5fc1b64547ff339e441b
sha512
cd543f83b7af49179088a1e686cffed80758fccfaf8c14e2d6509da8c25f780b71e0febf909704a6ba70f234a1eaac2a5a866879a018ae05439a633d57dfd9a5
ripemd-160
7e76fd52b5908553866e334a8807ef6b4503f180
Diameter
25383778
Circumference
79745490.485154
Area
5.0606045674407E+14
Volume
8.5638175257133E+21
Surface area
2.0242418269763E+15
Circumference
79745490.485154
Perimeter
50767556
Area
161084046388321
Diagonal
17949041.555934
Surface area
966504278329926
Volume
2.0444608364314E+21
Space diagonal
21982996.592025
Perimeter
38075667
Area
69751438158338
Altitude
10991498.296012
Surface area
69751438158338
Volume
2.409420202185E+20
Height
5983013.851978