12747981 is an odd 8-digits composite number following 12747980
and preceding 12747982 . In scientific notation, it is written as 1.2747981 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 8498652 positive integers (up to 12747981) that are relatively prime to 12747981.
12747981 has 4 divisors, whose sum is 16997312
The reverse of 12747981 is 18974721
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twelve million seven hundred forty-seven thousand nine hundred eighty-one
Scientific notation
1.2747981 × 10^7
Engineering notation
1.2747981 × 10^6
Prime Factorization
3 × 4249327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12747981
Product of the distinct prime numbers
The prime factorization of 12747981 is 3 × 4249327.
Since it has a total of 2 prime factors.
4 , 2 , 37 , 45 , 555 , 705 , 9864 , 217 , 20574 , 34012 , 402704 , 731676 , 8449731 , 3533780 , 48548263 , 62372200 , 665572855 , 405603903 , 3873026179 , 535990554
n×2
25495962
n×3
38243943
n×4
50991924
n×5
63739905
n÷2
6373990.5
n÷3
4249327
n÷3
3186995.25
n÷5
2549596.2
n2
162511019576361
n3
2.0716873898501E+21
n4
2.6409831483748E+28
n5
3.3667202996803E+35
2 √n
3570.4314865293
3 √n
233.60410448354
4 √n
59.753087673603
5 √n
26.368673423341
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
-12747980
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 12747981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12747981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000101000010011001101
3
Ternary
212222122221110
4
Quaternary
300220103031
5
Quinary
11230413411
6
Senary
1133122233
8
Octal
60502315
10
Decimal
12747981
12
Duodecimal
4329379
16
Hexadecimal
c284cd
20
Vigesimal
3jd9j1
36
Base36
7l8el
md5
66e146ba40c7d94d7b1ffe4a91735cb1
sha1
04c9308878bc94f75486eab749f2bb6f684fc21a
sha256
a7bfb41fb0e0e7a7d16142e25f64c8f706cf3bf95476f954bed81a93eda8b2bf
sha512
dbdba8a8dcea35e9b1120664c3430dd96a0e2f350e450d80f928a43cd94e39cffddc502f557b2fc47615ccb369840aab8b2f5f5e8479aced9835862034d9f4f7
ripemd-160
ff30ac651b2e35eb40551a0bbd185fdddff90efe
Diameter
25495962
Circumference
80097926.915405
Area
5.1054342522848E+14
Volume
8.6778638459835E+21
Surface area
2.0421737009139E+15
Circumference
80097926.915405
Perimeter
50991924
Area
162511019576361
Diagonal
18028367.623075
Surface area
975066117458166
Volume
2.0716873898501E+21
Space diagonal
22080150.785923
Perimeter
38243943
Area
70369335674019
Altitude
11040075.392961
Surface area
70369335674019
Volume
2.4415070031027E+20
Height
6009455.8743582