12981040 is an even 8-digits composite number following 12981039
and preceding 12981041 . In scientific notation, it is written as 1.2981040 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors.
There are 5192384 positive integers (up to 12981040) that are relatively prime to 12981040.
12981040 has 20 divisors, whose sum is 30181104
The reverse of 12981040 is 04018921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twelve million nine hundred eighty-one thousand forty
Scientific notation
1.2981040 × 10^7
Engineering notation
1.2981040 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 162263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1622630
Product of the distinct prime numbers
The prime factorization of 12981040 is 2 × 2 × 2 × 2 × 5 × 162263.
Since it has a total of 6 prime factors.
6 , 1 , 90 , 54 , 14 , 777 , 6790 , 7405 , 45267 , 23724 , 453743 , 978443 , 5958165 , 8226719 , 3178927 , 44980596 , 183706647 , 833709066 , 6430192517 , 7666884312
n×2
25962080
n×3
38943120
n×4
51924160
n×5
64905200
n÷2
6490520
n÷3
4327013.3333333
n÷3
3245260
n÷5
2596208
n2
168507399481600
n3
2.1874012929666E+21
n4
2.8394743680052E+28
n5
3.685933035005E+35
2 √n
3602.9210371586
3 √n
235.01910211405
4 √n
60.024337040559
5 √n
26.464390585538
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 162263 , 324526 , 649052 , 811315 , 1298104 , 1622630 , 2596208 , 3245260 , 6490520 , 12981040
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12981039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12981040 can be divided by 20 positive divisors.
The sum of these divisors (counting 12981040) is 1, the average is 0.05.
Base
System
Value
2
Binary
110001100001001100110000
3
Ternary
220102111122021
4
Quaternary
301201030300
5
Quinary
11310343130
6
Senary
1142121224
8
Octal
61411460
10
Decimal
12981040
12
Duodecimal
4420214
16
Hexadecimal
c61330
20
Vigesimal
412cc0
36
Base36
7q88g
md5
554481e00750430e4bc5d37e3e986ac0
sha1
980aeee2228b1b79fae5dc7094ecff3cabd01f25
sha256
997e91f860722b9fe709b7bb4866a3ab3a5e02ab243e5d4b84abeb0f0f9a4c29
sha512
1b43874303bdde338d1b150c0e9854ac79afc1e5c4f5777a2eaa6eff7c7530fb39d9f44827eadb52ab59ebd6bc1ea6056574e667da322d147e1f7f2261b4e6ac
ripemd-160
6768abb7d42dce79840bc26a4a39e37407af4233
Diameter
25962080
Circumference
81562279.799911
Area
5.2938160828692E+14
Volume
9.1625651099157E+21
Surface area
2.1175264331477E+15
Circumference
81562279.799911
Perimeter
51924160
Area
168507399481600
Diagonal
18357962.821708
Surface area
1011044396889600
Volume
2.1874012929666E+21
Space diagonal
22483820.815084
Perimeter
38943120
Area
72965844338359
Altitude
11241910.407542
Surface area
72965844338359
Volume
2.5778771457215E+20
Height
6119320.9405692