12888918 is an even 8-digits composite number following 12888917
and preceding 12888919 . In scientific notation, it is written as 1.2888918 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 3682512 positive integers (up to 12888918) that are relatively prime to 12888918.
12888918 has 16 divisors, whose sum is 24550560
The reverse of 12888918 is 81988821
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million eight hundred eighty-eight thousand nine hundred eighteen
Scientific notation
1.2888918 × 10^7
Engineering notation
1.2888918 × 10^6
Prime Factorization
2 × 9 × 7 × 102293
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12888918
Product of the distinct prime numbers
The prime factorization of 12888918 is 2 × 9 × 7 × 102293.
Since it has a total of 4 prime factors.
7 , 4 , 96 , 54 , 690 , 429 , 5379 , 7557 , 4116 , 7202 , 443214 , 92791 , 2128679 , 4947296 , 38474196 , 36362958 , 540431140 , 750735601 , 498687453 , 535901237
n×2
25777836
n×3
38666754
n×4
51555672
n×5
64444590
n÷2
6444459
n÷3
4296306
n÷3
3222229.5
n÷5
2577783.6
n2
166124207210724
n3
2.141161284554E+21
n4
2.7597252221392E+28
n5
3.5569872090683E+35
2 √n
3590.1139257689
3 √n
234.46183171977
4 √n
59.917559410985
5 √n
26.426721758842
1 , 2 , 7 , 9 , 14 , 18 , 63 , 126 , 102293 , 204586 , 716051 , 920637 , 1432102 , 1841274 , 6444459 , 12888918
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
-12888917
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 12888918 can be divided by 16 positive divisors.
The sum of these divisors (counting 12888918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001001010101101010110
3
Ternary
220020211021100
4
Quaternary
301022231112
5
Quinary
11244421133
6
Senary
1140130530
8
Octal
61125526
10
Decimal
12888918
12
Duodecimal
4396a46
16
Hexadecimal
c4ab56
20
Vigesimal
40b25i
36
Base36
7o95i
md5
6ce9e2b267985246f8eb885ba282f933
sha1
7ddb4f6467d8ddd88d8c74c5f6b6f39c22bb1ec6
sha256
e9cd9e421ec66dc7e87c5db2838c0e4cb338602eb657473fd077699987982f91
sha512
15c4b4e6d1e8dce84b5f12993a31c7eb3a29e03770316d17d39173bb2ae8de1e46b9e213ed1692aac8aad7bb8128e363f29e46922d0e0e5efc74437585869460
ripemd-160
b48d87bca1b3766072e924515013649a4ae9d6ab
Diameter
25777836
Circumference
80983460.203042
Area
5.2189458895664E+14
Volume
8.9688754156078E+21
Surface area
2.0875783558266E+15
Circumference
80983460.203042
Perimeter
51555672
Area
166124207210724
Diagonal
18227682.639915
Surface area
996745243264344
Volume
2.141161284554E+21
Space diagonal
22324260.830589
Perimeter
38666754
Area
71933891814018
Altitude
11162130.415295
Surface area
71933891814018
Volume
2.5233827732038E+20
Height
6075894.2133049