12897995 is an odd 8-digits composite number following 12897994
and preceding 12897996 . In scientific notation, it is written as 1.2897995 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 12 positive divisors.
There are 9379920 positive integers (up to 12897995) that are relatively prime to 12897995.
12897995 has 12 divisors, whose sum is 17013360
The reverse of 12897995 is 59979821
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twelve million eight hundred ninety-seven thousand nine hundred ninety-five
Scientific notation
1.2897995 × 10^7
Engineering notation
1.2897995 × 10^6
Prime Factorization
5 × 11 × 11 × 21319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1172545
Product of the distinct prime numbers
The prime factorization of 12897995 is 5 × 11 × 11 × 21319.
Since it has a total of 4 prime factors.
3 , 7 , 87 , 73 , 562 , 671 , 2839 , 7041 , 23778 , 60736 , 358303 , 32538 , 1138040 , 6918807 , 33331620 , 39445311 , 431010712 , 257771300 , 1662845965 , 8777927227
n×2
25795990
n×3
38693985
n×4
51591980
n×5
64489975
n÷2
6448997.5
n÷3
4299331.6666667
n÷3
3224498.75
n÷5
2579599
n2
166358275020025
n3
2.1456881994169E+21
n4
2.7675075667638E+28
n5
3.5695298758582E+35
2 √n
3591.3778692864
3 √n
234.51685859494
4 √n
59.928105837632
5 √n
26.430442906098
1 , 5 , 11 , 55 , 121 , 605 , 21319 , 106595 , 234509 , 1172545 , 2579599 , 12897995
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12897994
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12897995 can be divided by 12 positive divisors.
The sum of these divisors (counting 12897995) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110001001100111011001011
3
Ternary
220021021201112
4
Quaternary
301030323023
5
Quinary
11300213440
6
Senary
1140240535
8
Octal
61147313
10
Decimal
12897995
12
Duodecimal
43a014b
16
Hexadecimal
c4cecb
20
Vigesimal
40c4jf
36
Base36
7og5n
md5
400d5ad1d8a168ccf43d9bb5b7c62b8f
sha1
a901cc341074fe47e52242fa5359d9f5f5605aa1
sha256
81ab83065b3bf1ed7af5ef441fef60623d1bd08bff67f3719d3876adfbd57b7f
sha512
d67feb39167632476c568f85386a04aeed211bdd02590183bc183ce771ecb2413f2afedf2c17fb7ffec3423af6b012dd27ba5926a03b0bd34d4e7e9fb2567655
ripemd-160
3ffab01cf2a62d9ae8172144e53b354c0d12a832
Diameter
25795990
Circumference
81040492.676076
Area
5.2262993466678E+14
Volume
8.9878377122433E+21
Surface area
2.0905197386671E+15
Circumference
81040492.676076
Perimeter
51591980
Area
166358275020025
Diagonal
18240519.45642
Surface area
998149650120150
Volume
2.1456881994169E+21
Space diagonal
22339982.655769
Perimeter
38693985
Area
72035246148550
Altitude
11169991.327885
Surface area
72035246148550
Volume
2.5287177935327E+20
Height
6080173.1521401