12889721 is an odd 8-digits composite number following 12889720
and preceding 12889722 . In scientific notation, it is written as 1.2889721 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 11779200 positive integers (up to 12889721) that are relatively prime to 12889721.
12889721 has 8 divisors, whose sum is 14020104
The reverse of 12889721 is 12798821
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twelve million eight hundred eighty-nine thousand seven hundred twenty-one
Scientific notation
1.2889721 × 10^7
Engineering notation
1.2889721 × 10^6
Prime Factorization
13 × 101 × 9817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12889721
Product of the distinct prime numbers
The prime factorization of 12889721 is 13 × 101 × 9817.
Since it has a total of 3 prime factors.
1 , 7 , 72 , 9 , 828 , 759 , 3281 , 2026 , 9987 , 3428 , 545093 , 260262 , 5814593 , 3837050 , 93082276 , 9736606 , 30238763 , 416201231 , 3274821504 , 4045223067
n×2
25779442
n×3
38669163
n×4
51558884
n×5
64448605
n÷2
6444860.5
n÷3
4296573.6666667
n÷3
3222430.25
n÷5
2577944.2
n2
166144907457841
n3
2.1415615027024E+21
n4
2.7604130274175E+28
n5
3.5580953768176E+35
2 √n
3590.2257589182
3 √n
234.46670073311
4 √n
59.918492628889
5 √n
26.427051035959
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
-12889720
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 12889721 can be divided by 8 positive divisors.
The sum of these divisors (counting 12889721) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001010111001111001
3
Ternary
220020212101002
4
Quaternary
301022321321
5
Quinary
11244432341
6
Senary
1140134345
8
Octal
61127171
10
Decimal
12889721
12
Duodecimal
43973b5
16
Hexadecimal
c4ae79
20
Vigesimal
40b461
36
Base36
7o9rt
md5
60a5ee10c201b1ec9174f4952ffa7c81
sha1
475e12423ab8f87a12e890513a35834e0fa36876
sha256
1176e205bd430ba2bf46fc232763b44f85efc8236c39b4ac76162868ead3535c
sha512
6971b6d75eceb9497abc42ac9005e29e3637f5398d5f51cbb78a3da80b8b22579ecdf18408209f040a224c939569a2526b7a199370edfb574286c07a3b8c529a
ripemd-160
a960fe898e60fbe2e6f897dedf45ec34c3b6852a
Diameter
25779442
Circumference
80988505.600844
Area
5.2195962070091E+14
Volume
8.9705518454674E+21
Surface area
2.0878384828036E+15
Circumference
80988505.600844
Perimeter
51558884
Area
166144907457841
Diagonal
18228818.253405
Surface area
996869444747046
Volume
2.1415615027024E+21
Space diagonal
22325651.667388
Perimeter
38669163
Area
71942855283952
Altitude
11162825.833694
Surface area
71942855283952
Volume
2.5238544348149E+20
Height
6076272.7511351