12939745 is an odd 8-digits composite number following 12939744
and preceding 12939746 . In scientific notation, it is written as 1.2939745 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 8190144 positive integers (up to 12939745) that are relatively prime to 12939745.
12939745 has 8 divisors, whose sum is 14333760
The reverse of 12939745 is 54793921
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred thirty-nine thousand seven hundred forty-five
Scientific notation
1.2939745 × 10^7
Engineering notation
1.2939745 × 10^6
Prime Factorization
35 × 13 × 28439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12939745
Product of the distinct prime numbers
The prime factorization of 12939745 is 35 × 13 × 28439.
Since it has a total of 3 prime factors.
4 , 9 , 33 , 29 , 465 , 788 , 6586 , 3390 , 12608 , 81418 , 814324 , 480797 , 2580683 , 9882580 , 47492488 , 96180523 , 777433922 , 939125528 , 4432730980 , 490711875
n×2
25879490
n×3
38819235
n×4
51758980
n×5
64698725
n÷2
6469872.5
n÷3
4313248.3333333
n÷3
3234936.25
n÷5
2587949
n2
167437000665025
n3
2.1665920921703E+21
n4
2.80351491917E+28
n5
3.6276768157755E+35
2 √n
3597.1857055204
3 √n
234.7696248436
4 √n
59.976542960731
5 √n
26.44753153132
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
-12939744
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 12939745 can be divided by 8 positive divisors.
The sum of these divisors (counting 12939745) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010111000111100001
3
Ternary
220100101222211
4
Quaternary
301113013201
5
Quinary
11303032440
6
Senary
1141202121
8
Octal
61270741
10
Decimal
12939745
12
Duodecimal
4400341
16
Hexadecimal
c571e1
20
Vigesimal
40h975
36
Base36
7pcdd
md5
a4eddc18ea1c6b24f57017aa9b3f4afe
sha1
e7b0c8b06d8475df2232fa3f96cf533b2e680488
sha256
012329bc49527f2f5024f2aa460d54dd1c7459a7e90f3c0dc5fa2b87efba9003
sha512
064ce5c26a28023b8bc1abcd43016ef1e6bfe60af04efbb9e02633166a6b3af690f50a9db534628034acd593489bfc19ae6d44f585083955eab541963607f99a
ripemd-160
ebfa5ef5e93fad8555fd790e1e09f2f7abcadd2b
Diameter
25879490
Circumference
81302815.662651
Area
5.2601885122835E+14
Volume
9.0753997334504E+21
Surface area
2.1040754049134E+15
Circumference
81302815.662651
Perimeter
51758980
Area
167437000665025
Diagonal
18299562.872649
Surface area
1004622003990150
Volume
2.1665920921703E+21
Space diagonal
22412295.776985
Perimeter
38819235
Area
72502348054692
Altitude
11206147.888493
Surface area
72502348054692
Volume
2.5533532673979E+20
Height
6099854.2908831