12912889 is an odd 8-digits composite number following 12912888
and preceding 12912890 . In scientific notation, it is written as 1.2912889 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 11421360 positive integers (up to 12912889) that are relatively prime to 12912889.
12912889 has 4 divisors, whose sum is 12945024
The reverse of 12912889 is 98821921
Previous prime number is 407
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twelve million nine hundred twelve thousand eight hundred eighty-nine
Scientific notation
1.2912889 × 10^7
Engineering notation
1.2912889 × 10^6
Prime Factorization
407 × 31727
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12912889
Product of the distinct prime numbers
The prime factorization of 12912889 is 407 × 31727.
Since it has a total of 2 prime factors.
8 , 1 , 93 , 83 , 224 , 895 , 4742 , 1274 , 82862 , 11774 , 653067 , 439589 , 8557986 , 5850039 , 23007253 , 3193269 , 784645954 , 339020860 , 5506866635 , 8116217609
n×2
25825778
n×3
38738667
n×4
51651556
n×5
64564445
n÷2
6456444.5
n÷3
4304296.3333333
n÷3
3228222.25
n÷5
2582577.8
n2
166742702326321
n3
2.1531300066998E+21
n4
2.7803128779084E+28
n5
3.5901871577702E+35
2 √n
3593.4508484186
3 √n
234.60709356239
4 √n
59.945398892814
5 √n
26.436544215841
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
-12912888
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 12912889 can be divided by 4 positive divisors.
The sum of these divisors (counting 12912889) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010000100011111001
3
Ternary
220022001011011
4
Quaternary
301100203321
5
Quinary
11301203024
6
Senary
1140433521
8
Octal
61204371
10
Decimal
12912889
12
Duodecimal
43a88a1
16
Hexadecimal
c508f9
20
Vigesimal
40e249
36
Base36
7ornd
md5
138af561daf0ec0874514b0d19fff96d
sha1
33ec8d931428d8269fb41adb5c79106d928f809a
sha256
f9c3aab53ced64fe6e0c31003ca0904248eb4cb14e5be08301aa8bf3d0850070
sha512
d33d936c938843d469a16c83efe94cb8a19e186c6e749a21f9580244ada954178b8cad1d7ee095abe836d62f403083d71fd7a0043114a5ef203dc97a0cb048bf
ripemd-160
adf334e1bb38628a6c95da4cadaa3933c2afb199
Diameter
25825778
Circumference
81134074.438041
Area
5.2383764866808E+14
Volume
9.0190098816959E+21
Surface area
2.0953505946723E+15
Circumference
81134074.438041
Perimeter
51651556
Area
166742702326321
Diagonal
18261582.753218
Surface area
1000456213957926
Volume
2.1531300066998E+21
Space diagonal
22365779.820497
Perimeter
38738667
Area
72201708055130
Altitude
11182889.910249
Surface area
72201708055130
Volume
2.5374880475228E+20
Height
6087194.2510728