13207981 (number)

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.

Interesting facts

Basic properties

Name

Name thirteen million two hundred seven thousand nine hundred eighty-one

Notation

Scientific notation 1.3207981 × 10^7
Engineering notation 1.3207981 × 10^6

Prime Factorization of 13207981

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.

Most popular turbo-numbers

Basic calculations (n = 13207981)

Multiplication

n×y
n×2 26415962
n×3 39623943
n×4 52831924
n×5 66039905

Division

n÷y
n÷2 6603990.5
n÷3 4402660.3333333
n÷3 3301995.25
n÷5 2641596.2

Exponentiation

ny
n2 174450762096361
n3 2.3041423512043E+21
n4 3.0433068396001E+28
n5 4.0195938914608E+35

Nth Root

y√n
2√n 3634.2786079221
3√n 236.38077117578
4√n 60.284978294116
5√n 26.556282938555

Divisors of 13207981

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 conversion 13207981

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

Cryptographic Hash Functions

md5 853f1b08fcf35857fccce48dca28a04c
sha1 eb290783d1e3456091944ec134f48b541919164b
sha256 325604e48d06487a5308d99d8eb3c15e41450860729643874aa60883f8528b93
sha512 07f616c90138d9b61c1e83f0f75ae5f403d61bf019f3850bcfc21743d7472e267a4f6c7bb347cbf5311264d93d8e2616275eba539a46cea3a0c3829a3e558eed
ripemd-160 39b244b20fb0167f5cca9bd28e75babcdaf7e741

13207981 as geometric shapes

Circle

Radius = n
Diameter 26415962
Circumference 82988192.156707
Area 5.4805323261507E+14

Sphere

Radius = n
Volume 9.6515689111579E+21
Surface area 2.1922129304603E+15
Circumference 82988192.156707

Square

Length = n
Perimeter 52831924
Area 174450762096361
Diagonal 18678905.861766

Cube

Length = n
Surface area 1046704572578166
Volume 2.3041423512043E+21
Space diagonal 22876894.157404

Equilateral Triangle

Length = n
Perimeter 39623943
Area 75539395842502
Altitude 11438447.078702

Triangular Pyramid

Length = n
Surface area 75539395842502
Volume 2.7154578022594E+20
Height 6226301.9539221