12888905 is an odd 8-digits composite number following 12888904
and preceding 12888906 . In scientific notation, it is written as 1.2888905 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 9847488 positive integers (up to 12888905) that are relatively prime to 12888905.
12888905 has 8 divisors, whose sum is 15489792
The reverse of 12888905 is 50988821
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million eight hundred eighty-eight thousand nine hundred five
Scientific notation
1.2888905 × 10^7
Engineering notation
1.2888905 × 10^6
Prime Factorization
2987 × 5 × 863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12888905
Product of the distinct prime numbers
The prime factorization of 12888905 is 2987 × 5 × 863.
Since it has a total of 3 prime factors.
1 , 7 , 63 , 43 , 312 , 729 , 9221 , 8774 , 82969 , 44997 , 850388 , 70195 , 1154467 , 3456929 , 51939215 , 93036122 , 43709496 , 702513784 , 3125815747 , 3862163424
n×2
25777810
n×3
38666715
n×4
51555620
n×5
64444525
n÷2
6444452.5
n÷3
4296301.6666667
n÷3
3222226.25
n÷5
2577781
n2
166123872099025
n3
2.1411548057165E+21
n4
2.7597140881173E+28
n5
3.5569692708906E+35
2 √n
3590.112115241
3 √n
234.46175289224
4 √n
59.917544302491
5 √n
26.426716427945
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
-12888904
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 12888905 can be divided by 8 positive divisors.
The sum of these divisors (counting 12888905) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001001010101101001001
3
Ternary
220020211020212
4
Quaternary
301022231021
5
Quinary
11244421110
6
Senary
1140130505
8
Octal
61125511
10
Decimal
12888905
12
Duodecimal
4396a35
16
Hexadecimal
c4ab49
20
Vigesimal
40b255
36
Base36
7o955
md5
2857dd5895e5ebf33710a8ed50684bab
sha1
ae5b9b9644118435d45adabf8276ee459ec5a057
sha256
ebc6919b98f32d772562abcda109f8ebec854330cb518a36c29838077d78bc80
sha512
468ab8bcd0fb91dd831c938bc9882c929c66eb74594166e837b46f3ab57de9073d480de4fec5c2e4ec473c55a653d0bab663c1cffd2fded9ebbe3ffc1fb1a282
ripemd-160
2f222559986e5dde86a4fb0185df1e27942dd3c3
Diameter
25777810
Circumference
80983378.521634
Area
5.2189353617219E+14
Volume
8.9688482771165E+21
Surface area
2.0875741446887E+15
Circumference
80983378.521634
Perimeter
51555620
Area
166123872099025
Diagonal
18227664.255138
Surface area
996743232594150
Volume
2.1411548057165E+21
Space diagonal
22324238.313929
Perimeter
38666715
Area
71933746706396
Altitude
11162119.156964
Surface area
71933746706396
Volume
2.5233751378205E+20
Height
6075888.0850461