12956891 is an odd 8-digits composite number following 12956890
and preceding 12956892 . In scientific notation, it is written as 1.2956891 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 12869784 positive integers (up to 12956891) that are relatively prime to 12956891.
12956891 has 4 divisors, whose sum is 13044000
The reverse of 12956891 is 19865921
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million nine hundred fifty-six thousand eight hundred ninety-one
Scientific notation
1.2956891 × 10^7
Engineering notation
1.2956891 × 10^6
Prime Factorization
149 × 86959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12956891
Product of the distinct prime numbers
The prime factorization of 12956891 is 149 × 86959.
Since it has a total of 2 prime factors.
2 , 10 , 93 , 48 , 712 , 682 , 6298 , 5225 , 51341 , 82239 , 176709 , 973068 , 4335792 , 7148093 , 33527723 , 24454595 , 923833988 , 114203211 , 432472750 , 7059546974
n×2
25913782
n×3
38870673
n×4
51827564
n×5
64784455
n÷2
6478445.5
n÷3
4318963.6666667
n÷3
3239222.75
n÷5
2591378.2
n2
167881024385881
n3
2.1752161339362E+21
n4
2.8184038348853E+28
n5
3.6517751282591E+35
2 √n
3599.5681685447
3 √n
234.87327406135
4 √n
59.996401296617
5 √n
26.454536757715
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
-12956890
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 12956891 can be divided by 4 positive divisors.
The sum of these divisors (counting 12956891) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001011011010011011011
3
Ternary
220101021111212
4
Quaternary
301123103123
5
Quinary
11304110031
6
Senary
1141413335
8
Octal
61332333
10
Decimal
12956891
12
Duodecimal
440a24b
16
Hexadecimal
c5b4db
20
Vigesimal
40jc4b
36
Base36
7ppln
md5
7f708b632173adeccf49324acfb8e818
sha1
0981c0eb6a16f76ab480cac1985d09ccc4edcc66
sha256
e90063cfe16a575878cb5177562eb79c6046a554a9492bf84fdaf2830751ee95
sha512
cbf62595711c7e259a8affc2077cd126dda94cc19d974c96783b4df3d0610e9f56210b74c3e5572c7178f542016b77b552b1fe04b1947f38ada5fc5d0b6b947e
ripemd-160
1535b6c88364fc0d70c6013171c149055b2d8565
Diameter
25913782
Circumference
81410547.157927
Area
5.2741379288781E+14
Volume
9.1115240351253E+21
Surface area
2.1096551715513E+15
Circumference
81410547.157927
Perimeter
51827564
Area
167881024385881
Diagonal
18323810.97839
Surface area
1007286146315286
Volume
2.1752161339362E+21
Space diagonal
22441993.520132
Perimeter
38870673
Area
72694615965764
Altitude
11220996.760066
Surface area
72694615965764
Volume
2.5635167980878E+20
Height
6107936.9927966