12991749 is an odd 8-digits composite number following 12991748
and preceding 12991750 . In scientific notation, it is written as 1.2991749 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 8661164 positive integers (up to 12991749) that are relatively prime to 12991749.
12991749 has 4 divisors, whose sum is 17322336
The reverse of 12991749 is 94719921
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twelve million nine hundred ninety-one thousand seven hundred forty-nine
Scientific notation
1.2991749 × 10^7
Engineering notation
1.2991749 × 10^6
Prime Factorization
3 × 4330583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12991749
Product of the distinct prime numbers
The prime factorization of 12991749 is 3 × 4330583.
Since it has a total of 2 prime factors.
9 , 4 , 70 , 9 , 365 , 437 , 891 , 3475 , 78142 , 10913 , 369726 , 140910 , 819964 , 830941 , 19646768 , 28259589 , 633534093 , 881493934 , 1682095553 , 9201770396
n×2
25983498
n×3
38975247
n×4
51966996
n×5
64958745
n÷2
6495874.5
n÷3
4330583
n÷3
3247937.25
n÷5
2598349.8
n2
168785542079001
n3
2.1928193975193E+21
n4
2.8488559214902E+28
n5
3.7011621069165E+35
2 √n
3604.4068860216
3 √n
235.08371244263
4 √n
60.036712818255
5 √n
26.468755623837
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12991748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12991749 can be divided by 4 positive divisors.
The sum of these divisors (counting 12991749) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100011110100000101
3
Ternary
220110001022220
4
Quaternary
301203310011
5
Quinary
11311213444
6
Senary
1142242553
8
Octal
61436405
10
Decimal
12991749
12
Duodecimal
4426459
16
Hexadecimal
c63d05
20
Vigesimal
413j79
36
Base36
7qghx
md5
2148dab0da8b0219c5ac3a10506c2a16
sha1
b4ad3f5df79f3b302b2c5f60fb5822d79dba28ca
sha256
e0b089ca93ab53e066e3537a7ed83d4cba5cec8e1b237d2575d8e1590381f108
sha512
7dd050af60b33deea62c0fcc7728fd1b96d092e0fd45f2909cfb9b4e88b5cd3c18f891d0ee8276485571119bd5a79c2af02a19272fc5d0655c28b543a6209cf2
ripemd-160
e2162d15263475c801f17109f9cd78e3a839f567
Diameter
25983498
Circumference
81629566.431365
Area
5.3025541902756E+14
Volume
9.1852604131945E+21
Surface area
2.1210216761102E+15
Circumference
81629566.431365
Perimeter
51966996
Area
168785542079001
Diagonal
18373107.634747
Surface area
1012713252474006
Volume
2.1928193975193E+21
Space diagonal
22502369.347182
Perimeter
38975247
Area
73086283615971
Altitude
11251184.673591
Surface area
73086283615971
Volume
2.5842624431722E+20
Height
6124369.2115824