12989891 is an odd 8-digits composite number following 12989890
and preceding 12989892 . In scientific notation, it is written as 1.2989891 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 12825384 positive integers (up to 12989891) that are relatively prime to 12989891.
12989891 has 4 divisors, whose sum is 13154400
The reverse of 12989891 is 19898921
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twelve million nine hundred eighty-nine thousand eight hundred ninety-one
Scientific notation
1.2989891 × 10^7
Engineering notation
1.2989891 × 10^6
Prime Factorization
79 × 164429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12989891
Product of the distinct prime numbers
The prime factorization of 12989891 is 79 × 164429.
Since it has a total of 2 prime factors.
10 , 4 , 82 , 24 , 982 , 374 , 6097 , 6576 , 86627 , 97966 , 985976 , 59704 , 9351717 , 9662086 , 52190294 , 57059311 , 315712151 , 356364340 , 6167597944 , 2633798521
n×2
25979782
n×3
38969673
n×4
51959564
n×5
64949455
n÷2
6494945.5
n÷3
4329963.6666667
n÷3
3247472.75
n÷5
2597978.2
n2
168737268191881
n3
2.1918787214503E+21
n4
2.8472265676859E+28
n5
3.6985162766544E+35
2 √n
3604.1491367589
3 √n
235.07250516635
4 √n
60.034566182816
5 √n
26.467998500813
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
-12989890
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 12989891 can be divided by 4 positive divisors.
The sum of these divisors (counting 12989891) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001100011010111000011
3
Ternary
220102221210002
4
Quaternary
301203113003
5
Quinary
11311134031
6
Senary
1142230215
8
Octal
61432703
10
Decimal
12989891
12
Duodecimal
442536b
16
Hexadecimal
c635c3
20
Vigesimal
413eeb
36
Base36
7qf2b
md5
d7ceacd8c11ce04b0b799895aac873ac
sha1
6b60979b4f67a2f067b5c079395cffbc72be475e
sha256
d9f2a6c1797f4d3b03309ca22bc2c4ce7df3d5454feb0454432446103306b13e
sha512
8bbc07a0e0749ffd14eb5268f76b8940758c663f6e1d101c3ccd22e713c5fb6913462c3a9a924712bc1b4491b5188f01094d9e7e2c632d2f38e13188e5a5f068
ripemd-160
bcce41fc6d054d8b6ce2c02e0d9b837f0e4c3345
Diameter
25979782
Circumference
81617892.273064
Area
5.3010376213842E+14
Volume
9.1813201184907E+21
Surface area
2.1204150485537E+15
Circumference
81617892.273064
Perimeter
51959564
Area
168737268191881
Diagonal
18370480.025948
Surface area
1012423609151286
Volume
2.1918787214503E+21
Space diagonal
22499151.196782
Perimeter
38969673
Area
73065380409678
Altitude
11249575.598391
Surface area
73065380409678
Volume
2.5831538457933E+20
Height
6123493.3419827