12888909 is an odd 8-digits composite number following 12888908
and preceding 12888910 . In scientific notation, it is written as 1.2888909 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 7811280 positive integers (up to 12888909) that are relatively prime to 12888909.
12888909 has 16 divisors, whose sum is 20831040
The reverse of 12888909 is 90988821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million eight hundred eighty-eight thousand nine hundred nine
Scientific notation
1.2888909 × 10^7
Engineering notation
1.2888909 × 10^6
Prime Factorization
3 × 9 × 11 × 43397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12888909
Product of the distinct prime numbers
The prime factorization of 12888909 is 3 × 9 × 11 × 43397.
Since it has a total of 4 prime factors.
3 , 7 , 97 , 58 , 385 , 680 , 4984 , 1772 , 71484 , 25720 , 583171 , 899388 , 1620303 , 2527755 , 80299260 , 71716751 , 698484114 , 716550506 , 3001610898 , 3637979599
n×2
25777818
n×3
38666727
n×4
51555636
n×5
64444545
n÷2
6444454.5
n÷3
4296303
n÷3
3222227.25
n÷5
2577781.8
n2
166123975210281
n3
2.1411567992036E+21
n4
2.7597175139666E+28
n5
3.5569747903222E+35
2 √n
3590.1126723266
3 √n
234.46177714687
4 √n
59.91754895126
5 √n
26.426718068221
1 , 3 , 9 , 11 , 27 , 33 , 99 , 297 , 43397 , 130191 , 390573 , 477367 , 1171719 , 1432101 , 4296303 , 12888909
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12888908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12888909 can be divided by 16 positive divisors.
The sum of these divisors (counting 12888909) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001010101101001101
3
Ternary
220020211021000
4
Quaternary
301022231031
5
Quinary
11244421114
6
Senary
1140130513
8
Octal
61125515
10
Decimal
12888909
12
Duodecimal
4396a39
16
Hexadecimal
c4ab4d
20
Vigesimal
40b259
36
Base36
7o959
md5
774068613dae42f608029dcb719dbf73
sha1
42e88212b57825887ce0c6824889ebab5e27d9b3
sha256
3a7350ec5d12f700cf2748ab1c5c420539659d45e33966c11b461057c036f04f
sha512
08b9aa7e8fb64b4875a4ec8c5a7261298d54f5533bd4dc8fecbf83f81a05ce530897ef676e3b19b49b5c5663d63664d9e7f24b842f2a25292f9aef35248a4936
ripemd-160
db5df27235fc317d6451a2794f2f5123d4af9521
Diameter
25777818
Circumference
80983403.654375
Area
5.2189386010575E+14
Volume
8.9688566274157E+21
Surface area
2.087575440423E+15
Circumference
80983403.654375
Perimeter
51555636
Area
166123975210281
Diagonal
18227669.911993
Surface area
996743851261686
Volume
2.1411567992036E+21
Space diagonal
22324245.242132
Perimeter
38666727
Area
71933791354880
Altitude
11162122.621066
Surface area
71933791354880
Volume
2.5233774871675E+20
Height
6075889.9706642