12912989 is an odd 8-digits composite number following 12912988
and preceding 12912990 . In scientific notation, it is written as 1.2912989 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 12171600 positive integers (up to 12912989) that are relatively prime to 12912989.
12912989 has 8 divisors, whose sum is 13661280
The reverse of 12912989 is 98921921
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million nine hundred twelve thousand nine hundred eighty-nine
Scientific notation
1.2912989 × 10^7
Engineering notation
1.2912989 × 10^6
Prime Factorization
19 × 211 × 3221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12912989
Product of the distinct prime numbers
The prime factorization of 12912989 is 19 × 211 × 3221.
Since it has a total of 3 prime factors.
6 , 1 , 57 , 62 , 832 , 208 , 934 , 5965 , 78946 , 12879 , 553694 , 244515 , 73554 , 6437287 , 50469444 , 3315749 , 37805532 , 51199511 , 8862697066 , 2255684435
n×2
25825978
n×3
38738967
n×4
51651956
n×5
64564945
n÷2
6456494.5
n÷3
4304329.6666667
n÷3
3228247.25
n÷5
2582597.8
n2
166745284914121
n3
2.1531800298979E+21
n4
2.7803990041091E+28
n5
3.5903261755672E+35
2 √n
3593.4647625933
3 √n
234.60769917561
4 √n
59.945514949772
5 √n
26.436585161693
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
-12912988
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 12912989 can be divided by 8 positive divisors.
The sum of these divisors (counting 12912989) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010000100101011101
3
Ternary
220022001021212
4
Quaternary
301100211131
5
Quinary
11301203424
6
Senary
1140434205
8
Octal
61204535
10
Decimal
12912989
12
Duodecimal
43a8965
16
Hexadecimal
c5095d
20
Vigesimal
40e299
36
Base36
7orq5
md5
7aadb9dcf3c9b6aa0f749fae55c97e87
sha1
88173dac67ca29a00cbb5bb98531ecd94a6cfdfe
sha256
a46b887be6ed6dbc2c1554ddd29427cc97402a7511aff01936aaf07b9c4ca7fa
sha512
76ee5f0d8555ba01be1ebb7716659a62e4a4389acd4b0425ee496d19937608b504f5402956bc61542e6bcfde6d65b8b1e4f86db2906db95c72c61b1ec2ce0aac
ripemd-160
18e0f1b3bdd2af2e0435c0d2a1c5e8a2d9527732
Diameter
25825978
Circumference
81134702.756572
Area
5.2384576210694E+14
Volume
9.019219418378E+21
Surface area
2.0953830484278E+15
Circumference
81134702.756572
Perimeter
51651956
Area
166745284914121
Diagonal
18261724.174575
Surface area
1000471709484726
Volume
2.1531800298979E+21
Space diagonal
22365953.025578
Perimeter
38738967
Area
72202826348451
Altitude
11182976.512789
Surface area
72202826348451
Volume
2.5375470004271E+20
Height
6087241.3915249