12995891 is an odd 8-digits composite number following 12995890
and preceding 12995892 . In scientific notation, it is written as 1.2995891 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 12839232 positive integers (up to 12995891) that are relatively prime to 12995891.
12995891 has 4 divisors, whose sum is 13152552
The reverse of 12995891 is 19859921
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twelve million nine hundred ninety-five thousand eight hundred ninety-one
Scientific notation
1.2995891 × 10^7
Engineering notation
1.2995891 × 10^6
Prime Factorization
83 × 156577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12995891
Product of the distinct prime numbers
The prime factorization of 12995891 is 83 × 156577.
Since it has a total of 2 prime factors.
9 , 6 , 43 , 22 , 43 , 571 , 3317 , 4193 , 68316 , 37662 , 91285 , 531734 , 1569925 , 4819569 , 41451738 , 61085351 , 728234935 , 787460158 , 8574071444 , 7866311721
n×2
25991782
n×3
38987673
n×4
51983564
n×5
64979455
n÷2
6497945.5
n÷3
4331963.6666667
n÷3
3248972.75
n÷5
2599178.2
n2
168893182883881
n3
2.194917395402E+21
n4
2.8524907224648E+28
n5
3.7070658507664E+35
2 √n
3604.9814146539
3 √n
235.10869274041
4 √n
60.041497438471
5 √n
26.470443150393
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
-12995890
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 12995891 can be divided by 4 positive divisors.
The sum of these divisors (counting 12995891) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100100110100110011
3
Ternary
220110021000022
4
Quaternary
301210310303
5
Quinary
11311332031
6
Senary
1142314055
8
Octal
61446463
10
Decimal
12995891
12
Duodecimal
442892b
16
Hexadecimal
c64d33
20
Vigesimal
4149eb
36
Base36
7qjoz
md5
856488cd3578cd38c67de9289af5bf60
sha1
ba15fa5b0d5200933209548b388e8a5919791117
sha256
e207d2872c183fbe6017dc899f916759babd292b5356fed046e3edd542aa8e22
sha512
7f24aabda96aebc9e4003ed521d90ea25d30b7a9a7f7d2f7c3e8766481ca0104fe1b7a76d004fb559c66118d1a07a58e51aaca129b3267eb37b56d03b67b10c2
ripemd-160
a828d871403327c428dcbc6703c4e4ad537f945d
Diameter
25991782
Circumference
81655591.384907
Area
5.305935825894E+14
Volume
9.1940484861751E+21
Surface area
2.1223743303576E+15
Circumference
81655591.384907
Perimeter
51983564
Area
168893182883881
Diagonal
18378965.307322
Surface area
1013359097303286
Volume
2.194917395402E+21
Space diagonal
22509543.501627
Perimeter
38987673
Area
73132893451726
Altitude
11254771.750814
Surface area
73132893451726
Volume
2.5867349573884E+20
Height
6126321.7691075