12749905 is an odd 8-digits composite number following 12749904
and preceding 12749906 . In scientific notation, it is written as 1.2749905 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 8675712 positive integers (up to 12749905) that are relatively prime to 12749905.
12749905 has 8 divisors, whose sum is 13214880
The reverse of 12749905 is 50994721
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twelve million seven hundred forty-nine thousand nine hundred five
Scientific notation
1.2749905 × 10^7
Engineering notation
1.2749905 × 10^6
Prime Factorization
35 × 137 × 2659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12749905
Product of the distinct prime numbers
The prime factorization of 12749905 is 35 × 137 × 2659.
Since it has a total of 3 prime factors.
7 , 2 , 92 , 75 , 109 , 597 , 9583 , 1255 , 32666 , 52974 , 287046 , 287473 , 2399982 , 6205595 , 80466356 , 2804426 , 979007546 , 260309192 , 5432703418 , 6521042885
n×2
25499810
n×3
38249715
n×4
50999620
n×5
63749525
n÷2
6374952.5
n÷3
4249968.3333333
n÷3
3187476.25
n÷5
2549981
n2
162560077509025
n3
2.0726255450327E+21
n4
2.642577879974E+28
n5
3.369261692477E+35
2 √n
3570.7009115858
3 √n
233.61585619249
4 √n
59.755342117553
5 √n
26.369469318238
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
-12749904
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 12749905 can be divided by 8 positive divisors.
The sum of these divisors (counting 12749905) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000101000110001010001
3
Ternary
212222202120201
4
Quaternary
300220301101
5
Quinary
11230444110
6
Senary
1133135201
8
Octal
60506121
10
Decimal
12749905
12
Duodecimal
432a501
16
Hexadecimal
c28c51
20
Vigesimal
3jdef5
36
Base36
7l9w1
md5
383a092fb38f1633afd338aec12e5d3d
sha1
ef94e50d97eaefa6d6b332fe7e720336f0a2d894
sha256
ae052d171844e791b0c64c43741a62898e8161cb94c2b293a9b31e3242b74b0f
sha512
c50e3579c7864aafa887112d653ce11829bc9bf3c9468423a0bfeb6b916b439c1754a16fe4e4f826fc9ffd5a5263329f1f2f54df2d4179e568f79e7585a7ba92
ripemd-160
850ed57784faecb6ff1b75b078d5dbef86941802
Diameter
25499810
Circumference
80110015.763936
Area
5.1069754526934E+14
Volume
8.6817935812231E+21
Surface area
2.0427901810774E+15
Circumference
80110015.763936
Perimeter
50999620
Area
162560077509025
Diagonal
18031088.569969
Surface area
975360465054150
Volume
2.0726255450327E+21
Space diagonal
22083483.251676
Perimeter
38249715
Area
70390578381992
Altitude
11041741.625838
Surface area
70390578381992
Volume
2.4426126295885E+20
Height
6010362.8566562