12981311 is an odd 8-digits composite number following 12981310
and preceding 12981312 . In scientific notation, it is written as 1.2981311 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 11108448 positive integers (up to 12981311) that are relatively prime to 12981311.
12981311 has 8 divisors, whose sum is 14860320
The reverse of 12981311 is 11318921
Previous prime number is 829
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twelve million nine hundred eighty-one thousand three hundred eleven
Scientific notation
1.2981311 × 10^7
Engineering notation
1.2981311 × 10^6
Prime Factorization
7 × 829 × 2237
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12981311
Product of the distinct prime numbers
The prime factorization of 12981311 is 7 × 829 × 2237.
Since it has a total of 3 prime factors.
6 , 10 , 10 , 2 , 54 , 827 , 1600 , 3247 , 36576 , 73604 , 861167 , 784838 , 4516971 , 9952494 , 95014207 , 61130516 , 258421176 , 97719115 , 4923676529 , 337461471
n×2
25962622
n×3
38943933
n×4
51925244
n×5
64906555
n÷2
6490655.5
n÷3
4327103.6666667
n÷3
3245327.75
n÷5
2596262.2
n2
168514435278721
n3
2.1875382923424E+21
n4
2.8397114897306E+28
n5
3.6863177998467E+35
2 √n
3602.9586453358
3 √n
235.02073756939
4 √n
60.024650314148
5 √n
26.464501081923
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
-12981310
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 12981311 can be divided by 8 positive divisors.
The sum of these divisors (counting 12981311) is 1, the average is 0.125.
Base
System
Value
2
Binary
110001100001010000111111
3
Ternary
220102112000022
4
Quaternary
301201100333
5
Quinary
11310400221
6
Senary
1142122355
8
Octal
61412077
10
Decimal
12981311
12
Duodecimal
44203bb
16
Hexadecimal
c6143f
20
Vigesimal
412d5b
36
Base36
7q8fz
md5
309e6fe456c3ff3e4dd0d81bcc1efa01
sha1
7fdac209fd4df1b9a9133cd4146018085a5c1eec
sha256
e6afddcd1fa16fa001e672b2b56b57d74d95713feeae3332cde74a85e48c8687
sha512
ddc346b458df005e79584465aa24d0f485667c8dfe6fcef0ba858709bbece7c9f0a28acf0352df800936366394c129a28ef66f9c9d31f00bde1f7f37d2cf5c29
ripemd-160
271b3ff011399f4d6c1315caebb805fe18046a95
Diameter
25962622
Circumference
81563982.543129
Area
5.2940371189546E+14
Volume
9.1631389715592E+21
Surface area
2.1176148475819E+15
Circumference
81563982.543129
Perimeter
51925244
Area
168514435278721
Diagonal
18358346.073583
Surface area
1011086611672326
Volume
2.1875382923424E+21
Space diagonal
22484290.200853
Perimeter
38943933
Area
72968890927880
Altitude
11242145.100426
Surface area
72968890927880
Volume
2.5780386010343E+20
Height
6119448.6911943