13207981 is an odd 8-digits prime number following 13207980
and preceding 13207982 . In scientific notation, it is written as 1.3207981 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 13207980 positive integers (up to 13207981) that are relatively prime to 13207981.
13207981 has 2 divisors, whose sum is 13207982
The reverse of 13207981 is 18970231
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
thirteen million two hundred seven thousand nine hundred eighty-one
Scientific notation
1.3207981 × 10^7
Engineering notation
1.3207981 × 10^6
Prime Factorization
13207981
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
13207981
Product of the distinct prime numbers
The prime factorization of 13207981 is 13207981.
Since it has a total of 1 prime factors.
6 , 2 , 7 , 75 , 906 , 520 , 3178 , 2229 , 8726 , 90726 , 550140 , 561542 , 242210 , 5274630 , 87711709 , 13082861 , 68155148 , 9116666 , 4944937486 , 4580173864
n×2
26415962
n×3
39623943
n×4
52831924
n×5
66039905
n÷2
6603990.5
n÷3
4402660.3333333
n÷3
3301995.25
n÷5
2641596.2
n2
174450762096361
n3
2.3041423512043E+21
n4
3.0433068396001E+28
n5
4.0195938914608E+35
2 √n
3634.2786079221
3 √n
236.38077117578
4 √n
60.284978294116
5 √n
26.556282938555
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
13207982
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6603991
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3634.278745501
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998485764
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 13207981 can be divided by 2 positive divisors.
The sum of these divisors (counting 13207981) is 13207982, the average is 6603991.
Base
System
Value
2
Binary
110010011000100110101101
3
Ternary
220212000221111
4
Quaternary
302120212231
5
Quinary
11340123411
6
Senary
1151032021
8
Octal
62304655
10
Decimal
13207981
12
Duodecimal
450b611
16
Hexadecimal
c989ad
20
Vigesimal
42ajj1
36
Base36
7v3cd
md5
853f1b08fcf35857fccce48dca28a04c
sha1
eb290783d1e3456091944ec134f48b541919164b
sha256
325604e48d06487a5308d99d8eb3c15e41450860729643874aa60883f8528b93
sha512
07f616c90138d9b61c1e83f0f75ae5f403d61bf019f3850bcfc21743d7472e267a4f6c7bb347cbf5311264d93d8e2616275eba539a46cea3a0c3829a3e558eed
ripemd-160
39b244b20fb0167f5cca9bd28e75babcdaf7e741
Diameter
26415962
Circumference
82988192.156707
Area
5.4805323261507E+14
Volume
9.6515689111579E+21
Surface area
2.1922129304603E+15
Circumference
82988192.156707
Perimeter
52831924
Area
174450762096361
Diagonal
18678905.861766
Surface area
1046704572578166
Volume
2.3041423512043E+21
Space diagonal
22876894.157404
Perimeter
39623943
Area
75539395842502
Altitude
11438447.078702
Surface area
75539395842502
Volume
2.7154578022594E+20
Height
6226301.9539221