12928987 is an odd 8-digits composite number following 12928986
and preceding 12928988 . In scientific notation, it is written as 1.2928987 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 12213504 positive integers (up to 12928987) that are relatively prime to 12928987.
12928987 has 8 divisors, whose sum is 13648400
The reverse of 12928987 is 78982921
Previous prime number is 1489
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million nine hundred twenty-eight thousand nine hundred eighty-seven
Scientific notation
1.2928987 × 10^7
Engineering notation
1.2928987 × 10^6
Prime Factorization
19 × 1489 × 457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12928987
Product of the distinct prime numbers
The prime factorization of 12928987 is 19 × 1489 × 457.
Since it has a total of 3 prime factors.
5 , 5 , 14 , 82 , 518 , 302 , 9944 , 5787 , 19557 , 35018 , 68207 , 985398 , 2156430 , 1791489 , 74827708 , 3960981 , 378787017 , 589406112 , 8493260833 , 114123943
n×2
25857974
n×3
38786961
n×4
51715948
n×5
64644935
n÷2
6464493.5
n÷3
4309662.3333333
n÷3
3232246.75
n÷5
2585797.4
n2
167158704846169
n3
2.161192721893E+21
n4
2.7942032605849E+28
n5
3.6126217631459E+35
2 √n
3595.6900589456
3 √n
234.70454494486
4 √n
59.964073068343
5 √n
26.443132415088
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
-12928986
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 12928987 can be divided by 8 positive divisors.
The sum of these divisors (counting 12928987) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001010100011111011011
3
Ternary
220022212020101
4
Quaternary
301110133123
5
Quinary
11302211422
6
Senary
1141040231
8
Octal
61243733
10
Decimal
12928987
12
Duodecimal
43b6077
16
Hexadecimal
c547db
20
Vigesimal
40g297
36
Base36
7p42j
md5
de0c2487ce1ea79db5fe51c04e66d7a8
sha1
2fa4a6685fdfa5cfda09e74eb8acaac7cec9f549
sha256
0a4c4abc0199cd06d33e05cf51244f3bd7fc7cfd8b8eca7796a1c9cf25649b25
sha512
c075e25a1ff0c55918edb525b4a4f006adebbf9b6cb11015a68b863df141f2f917ca68c3d69976d38569d7e2f21808098bac58b6ebdcc71bb6703fa0a5a9c508
ripemd-160
1839b061a77605f946f4f41dc4e3fdc44c250c05
Diameter
25857974
Circumference
81235221.155116
Area
5.2514455912831E+14
Volume
9.0527829041209E+21
Surface area
2.1005782365132E+15
Circumference
81235221.155116
Perimeter
51715948
Area
167158704846169
Diagonal
18284348.763145
Surface area
1002952229077014
Volume
2.161192721893E+21
Space diagonal
22393662.374398
Perimeter
38786961
Area
72381842430244
Altitude
11196831.187199
Surface area
72381842430244
Volume
2.5469900485025E+20
Height
6094782.9210485