12989895 is an odd 8-digits composite number following 12989894
and preceding 12989896 . In scientific notation, it is written as 1.2989895 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 6927936 positive integers (up to 12989895) that are relatively prime to 12989895.
12989895 has 8 divisors, whose sum is 20783856
The reverse of 12989895 is 59898921
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twelve million nine hundred eighty-nine thousand eight hundred ninety-five
Scientific notation
1.2989895 × 10^7
Engineering notation
1.2989895 × 10^6
Prime Factorization
3 × 5 × 865993
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12989895
Product of the distinct prime numbers
The prime factorization of 12989895 is 3 × 5 × 865993.
Since it has a total of 3 prime factors.
2 , 9 , 30 , 68 , 420 , 417 , 3524 , 8779 , 65515 , 14036 , 383911 , 937725 , 3234766 , 3689520 , 10473704 , 96693064 , 422219161 , 647586725 , 4084251748 , 6200703626
n×2
25979790
n×3
38969685
n×4
51959580
n×5
64949475
n÷2
6494947.5
n÷3
4329965
n÷3
3247473.75
n÷5
2597979
n2
168737372111025
n3
2.1918807462981E+21
n4
2.8472300746935E+28
n5
3.698521971111E+35
2 √n
3604.1496916749
3 √n
235.07252929511
4 √n
60.034570804453
5 √n
26.46800013088
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
-12989894
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 12989895 can be divided by 8 positive divisors.
The sum of these divisors (counting 12989895) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100011010111000111
3
Ternary
220102221210020
4
Quaternary
301203113013
5
Quinary
11311134040
6
Senary
1142230223
8
Octal
61432707
10
Decimal
12989895
12
Duodecimal
4425373
16
Hexadecimal
c635c7
20
Vigesimal
413eef
36
Base36
7qf2f
md5
3348d4087279ec902996f0a6dee1d37f
sha1
3587eb2e59866ef1f9178a850e1891f7b820cc5c
sha256
8ada50fd91c15414c97911c28ee7f84005bbbface9fca9422b9b82f11e7f0a47
sha512
0f5791d6dd6eb512f91addc0ee35d924fa1062c08804e186395dacd8de7c0ce26e8cf21710aa58824f32f3b9005bea77e82ee81f82165cceae28d46e480ad39c
ripemd-160
48191ecbf610c8486a5bb874892e5c4ee7b85f4e
Diameter
25979790
Circumference
81617917.405806
Area
5.3010408861004E+14
Volume
9.1813286001535E+21
Surface area
2.1204163544402E+15
Circumference
81617917.405806
Perimeter
51959580
Area
168737372111025
Diagonal
18370485.682802
Surface area
1012424232666150
Volume
2.1918807462981E+21
Space diagonal
22499158.124985
Perimeter
38969685
Area
73065425407988
Altitude
11249579.062492
Surface area
73065425407988
Volume
2.5831562320994E+20
Height
6123495.2276008