12912761 is an odd 8-digits composite number following 12912760
and preceding 12912762 . In scientific notation, it is written as 1.2912761 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 12001392 positive integers (up to 12912761) that are relatively prime to 12912761.
12912761 has 8 divisors, whose sum is 13849920
The reverse of 12912761 is 16721921
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million nine hundred twelve thousand seven hundred sixty-one
Scientific notation
1.2912761 × 10^7
Engineering notation
1.2912761 × 10^6
Prime Factorization
19 × 53 × 12823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12912761
Product of the distinct prime numbers
The prime factorization of 12912761 is 19 × 53 × 12823.
Since it has a total of 3 prime factors.
9 , 1 , 47 , 52 , 242 , 270 , 8686 , 2102 , 25338 , 81029 , 751801 , 397469 , 7721393 , 4324708 , 67299201 , 86371789 , 831210541 , 300017901 , 2520493688 , 76750199
n×2
25825522
n×3
38738283
n×4
51651044
n×5
64563805
n÷2
6456380.5
n÷3
4304253.6666667
n÷3
3228190.25
n÷5
2582552.2
n2
166739396643121
n3
2.1530659781368E+21
n4
2.7802026392912E+28
n5
3.5900092212737E+35
2 √n
3593.4330381962
3 √n
234.60631837291
4 √n
59.945250338923
5 √n
26.436491804779
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
-12912760
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 12912761 can be divided by 8 positive divisors.
The sum of these divisors (counting 12912761) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010000100001111001
3
Ternary
220022000222102
4
Quaternary
301100201321
5
Quinary
11301202021
6
Senary
1140433145
8
Octal
61204171
10
Decimal
12912761
12
Duodecimal
43a87b5
16
Hexadecimal
c50879
20
Vigesimal
40e1i1
36
Base36
7orjt
md5
a1305e3fbb5f913ca8f7a46509a16bfa
sha1
c4d90079ff6d35ff4a1f5b29df6a986ad140811c
sha256
8d5efe358b3548c97edcfead2e4e763ecd813cce9e34cc1112b594898f05cf6b
sha512
1616ac9c2cc2e7cd33c2dbf0120b01d2ca5be84e48a3d0d3e0fa01dc76b2344595459a5acb995d83b182d49aab8038f37aa066b020d44feb4acf09a2cf9d51ea
ripemd-160
808e2d68b606f32cb1a2f8901ccb6cec4c7f780b
Diameter
25825522
Circumference
81133270.190322
Area
5.2382726355802E+14
Volume
9.0187416794784E+21
Surface area
2.0953090542321E+15
Circumference
81133270.190322
Perimeter
51651044
Area
166739396643121
Diagonal
18261401.733882
Surface area
1000436379858726
Volume
2.1530659781368E+21
Space diagonal
22365558.117994
Perimeter
38738283
Area
72200276652316
Altitude
11182779.058997
Surface area
72200276652316
Volume
2.5374125891377E+20
Height
6087133.9112941