12981512 is an even 8-digits composite number following 12981511
and preceding 12981513 . In scientific notation, it is written as 1.2981512 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 16 positive divisors.
There are 6457024 positive integers (up to 12981512) that are relatively prime to 12981512.
12981512 has 16 divisors, whose sum is 24466860
The reverse of 12981512 is 21518921
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twelve million nine hundred eighty-one thousand five hundred twelve
Scientific notation
1.2981512 × 10^7
Engineering notation
1.2981512 × 10^6
Prime Factorization
2 × 2 × 2 × 197 × 8237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3245378
Product of the distinct prime numbers
The prime factorization of 12981512 is 2 × 2 × 2 × 197 × 8237.
Since it has a total of 5 prime factors.
1 , 5 , 54 , 36 , 441 , 312 , 8755 , 8173 , 5647 , 17692 , 241618 , 515647 , 7066607 , 6771877 , 48805975 , 86165494 , 454728591 , 766419781 , 2198372060 , 6983854172
n×2
25963024
n×3
38944536
n×4
51926048
n×5
64907560
n÷2
6490756
n÷3
4327170.6666667
n÷3
3245378
n÷5
2596302.4
n2
168519653806144
n3
2.1876399081203E+21
n4
2.8398873718943E+28
n5
3.6866031996894E+35
2 √n
3602.9865389701
3 √n
235.02195056768
4 √n
60.024882665193
5 √n
26.464583035614
1 , 2 , 4 , 8 , 197 , 394 , 788 , 1576 , 8237 , 16474 , 32948 , 65896 , 1622689 , 3245378 , 6490756 , 12981512
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12981511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981512 can be divided by 16 positive divisors.
The sum of these divisors (counting 12981512) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100001010100001000
3
Ternary
220102112021202
4
Quaternary
301201110020
5
Quinary
11310402022
6
Senary
1142123332
8
Octal
61412410
10
Decimal
12981512
12
Duodecimal
4420548
16
Hexadecimal
c61508
20
Vigesimal
412dfc
36
Base36
7q8lk
md5
9072747c26ea7c63e320217fb7fc25a3
sha1
7e746162ee0085494486543138fe91ea32a26d2f
sha256
594f61a08648cfa0ac30333a9b3f636bc30ce3bb39658151b6d638e5ecaab7bc
sha512
7d7b34b94635a877b3fefbfd617e0e1d7c32aa4994551ca5cfe631b465ab9f8c83950be6bec9bed0f2392f3251e0153497db4f9c1c01cf9ff9968f64e79ff637
ripemd-160
4958ce15e05464e08e5b4e12f7ee2bb4481e66e3
Diameter
25963024
Circumference
81565245.463375
Area
5.2942010638288E+14
Volume
9.1635646187341E+21
Surface area
2.1176804255315E+15
Circumference
81565245.463375
Perimeter
51926048
Area
168519653806144
Diagonal
18358630.330509
Surface area
1011117922836864
Volume
2.1876399081203E+21
Space diagonal
22484638.343065
Perimeter
38944536
Area
72971150616540
Altitude
11242319.171533
Surface area
72971150616540
Volume
2.578158356377E+20
Height
6119543.443503