12940981 is an odd 8-digits composite number following 12940980
and preceding 12940982 . In scientific notation, it is written as 1.2940981 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 12523500 positive integers (up to 12940981) that are relatively prime to 12940981.
12940981 has 4 divisors, whose sum is 13358464
The reverse of 12940981 is 18904921
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million nine hundred forty thousand nine hundred eighty-one
Scientific notation
1.2940981 × 10^7
Engineering notation
1.2940981 × 10^6
Prime Factorization
31 × 417451
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12940981
Product of the distinct prime numbers
The prime factorization of 12940981 is 31 × 417451.
Since it has a total of 2 prime factors.
4 , 1 , 56 , 32 , 294 , 491 , 1795 , 3913 , 64001 , 38619 , 879617 , 448415 , 3045178 , 6655344 , 60226013 , 29786309 , 16049806 , 148976917 , 6398303412 , 9867550128
n×2
25881962
n×3
38822943
n×4
51763924
n×5
64704905
n÷2
6470490.5
n÷3
4313660.3333333
n÷3
3235245.25
n÷5
2588196.2
n2
167468989242361
n3
2.1672130078746E+21
n4
2.8045862357858E+28
n5
3.6294097190166E+35
2 √n
3597.3575023898
3 √n
234.7770996436
4 √n
59.977975144129
5 √n
26.448036763843
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
-12940980
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 12940981 can be divided by 4 positive divisors.
The sum of these divisors (counting 12940981) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001010111011010110101
3
Ternary
220100110200121
4
Quaternary
301113122311
5
Quinary
11303102411
6
Senary
1141211541
8
Octal
61273265
10
Decimal
12940981
12
Duodecimal
4400bb1
16
Hexadecimal
c576b5
20
Vigesimal
40hc91
36
Base36
7pdbp
md5
58ebd24b8f8005262e840df15911cdff
sha1
80256d48ee6c278968d4e9446e287f368ac5f77f
sha256
83f4de48f1e9a4a68b67ea765ae8038db6733697ab9586c47522a10f9f18e3eb
sha512
440d931c1f69a4b9261c8cc2d4e27522f333c824123ca1711cddb17e303d9fe5332293d45581d739ef14bce02ff7c6b401fe4a924b643e365b249771eaf89605
ripemd-160
8cc027dbc1b5ae35941a2d21908c57b48d77f64f
Diameter
25881962
Circumference
81310581.67969
Area
5.2611934630791E+14
Volume
9.0780006190708E+21
Surface area
2.1044773852316E+15
Circumference
81310581.67969
Perimeter
51763924
Area
167468989242361
Diagonal
18301310.840613
Surface area
1004813935454166
Volume
2.1672130078746E+21
Space diagonal
22414436.591783
Perimeter
38822943
Area
72516199514994
Altitude
11207218.295892
Surface area
72516199514994
Volume
2.554085023573E+20
Height
6100436.9468708