12912691 is an odd 8-digits composite number following 12912690
and preceding 12912692 . In scientific notation, it is written as 1.2912691 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 11738800 positive integers (up to 12912691) that are relatively prime to 12912691.
12912691 has 4 divisors, whose sum is 14086584
The reverse of 12912691 is 19621921
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million nine hundred twelve thousand six hundred ninety-one
Scientific notation
1.2912691 × 10^7
Engineering notation
1.2912691 × 10^6
Prime Factorization
11 × 1173881
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12912691
Product of the distinct prime numbers
The prime factorization of 12912691 is 11 × 1173881.
Since it has a total of 2 prime factors.
5 , 2 , 47 , 80 , 803 , 108 , 1845 , 5923 , 93789 , 82796 , 660759 , 959732 , 6715148 , 2936618 , 31708947 , 74556730 , 77603270 , 193595252 , 3289213536 , 7539984419
n×2
25825382
n×3
38738073
n×4
51650764
n×5
64563455
n÷2
6456345.5
n÷3
4304230.3333333
n÷3
3228172.75
n÷5
2582538.2
n2
166737588861481
n3
2.1530309630533E+21
n4
2.780142353934E+28
n5
3.5899119152363E+35
2 √n
3593.4232981935
3 √n
234.605894439
4 √n
59.945169098048
5 √n
26.436463142305
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
-12912690
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 12912691 can be divided by 4 positive divisors.
The sum of these divisors (counting 12912691) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010000100000110011
3
Ternary
220022000212211
4
Quaternary
301100200303
5
Quinary
11301201231
6
Senary
1140432551
8
Octal
61204063
10
Decimal
12912691
12
Duodecimal
43a8757
16
Hexadecimal
c50833
20
Vigesimal
40e1eb
36
Base36
7orhv
md5
aa8a249ab83db1ea2d939d489e5f26b3
sha1
8abac792b62d47b187e28f9e7cf03f1384d0f14b
sha256
3bf360062220f8ab15961030ad0f5e32ebefacfd75b759f32211b45d9e97eb15
sha512
f6030ed80bb85643ad3f8d3d5025d29ff761a502205984cf72490e54a0cf7ef34d89096d991be2ee494fd356e8ba49235f224eb9e2ccaec63838cc17e065e3fe
ripemd-160
0606987f1a28a5a2a12681478143b637d2d78a5f
Diameter
25825382
Circumference
81132830.36735
Area
5.238215842445E+14
Volume
9.0185950086397E+21
Surface area
2.095286336978E+15
Circumference
81132830.36735
Perimeter
51650764
Area
166737588861481
Diagonal
18261302.738933
Surface area
1000425533168886
Volume
2.1530309630533E+21
Space diagonal
22365436.874437
Perimeter
38738073
Area
72199493859904
Altitude
11182718.437219
Surface area
72199493859904
Volume
2.537371323466E+20
Height
6087100.9129777