12711981 is an odd 8-digits composite number following 12711980
and preceding 12711982 . In scientific notation, it is written as 1.2711981 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 8465472 positive integers (up to 12711981) that are relatively prime to 12711981.
12711981 has 8 divisors, whose sum is 16967680
The reverse of 12711981 is 18911721
Previous prime number is 3313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million seven hundred eleven thousand nine hundred eighty-one
Scientific notation
1.2711981 × 10^7
Engineering notation
1.2711981 × 10^6
Prime Factorization
3 × 3313 × 1279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12711981
Product of the distinct prime numbers
The prime factorization of 12711981 is 3 × 3313 × 1279.
Since it has a total of 3 prime factors.
2 , 5 , 90 , 4 , 285 , 564 , 405 , 3441 , 65193 , 97887 , 444580 , 438778 , 9111537 , 3513041 , 16912054 , 26761415 , 190893365 , 23853354 , 3462022511 , 5949813298
n×2
25423962
n×3
38135943
n×4
50847924
n×5
63559905
n÷2
6355990.5
n÷3
4237327
n÷3
3177995.25
n÷5
2542396.2
n2
161594460944361
n3
2.05418571723E+21
n4
2.6112769807899E+28
n5
3.3194503365538E+35
2 √n
3565.3865148115
3 √n
233.38399965505
4 √n
59.71085759568
5 √n
26.353763668568
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
-12711980
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 12711981 can be divided by 8 positive divisors.
The sum of these divisors (counting 12711981) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000011111100000101101
3
Ternary
212220211120010
4
Quaternary
300133200231
5
Quinary
11223240411
6
Senary
1132243433
8
Octal
60374055
10
Decimal
12711981
12
Duodecimal
4310579
16
Hexadecimal
c1f82d
20
Vigesimal
3j8jj1
36
Base36
7kgml
md5
379f832a387e472c834504f4d36fa2e4
sha1
f411261bb0b47ee862c49df53486a4d986db6add
sha256
6f5332341a793911c181631c24d603d36c2314fe483f2b16927f883fffc90751
sha512
33d45996380507af5814fcf655b42d6ca462eb1f2299b1d824cf65df62837d6f0618413ff97710b82cc84075917ab32f298a516abd23d8f964f10e3b7f0d882d
ripemd-160
aac6e4e6ad99158ccd7b2ab3505aeb24704d16eb
Diameter
25423962
Circumference
79871732.244346
Area
5.0766397136361E+14
Volume
8.604553011145E+21
Surface area
2.0306558854544E+15
Circumference
79871732.244346
Perimeter
50847924
Area
161594460944361
Diagonal
17977455.934829
Surface area
969566765666166
Volume
2.05418571723E+21
Space diagonal
22017796.95685
Perimeter
38135943
Area
69972454144334
Altitude
11008898.478425
Surface area
69972454144334
Volume
2.4208810841164E+20
Height
5992485.3116097