13065981 (number)

13065981 is an odd 8-digits composite number following 13065980 and preceding 13065982. In scientific notation, it is written as 1.3065981 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 8710652 positive integers (up to 13065981) that are relatively prime to 13065981.

Interesting facts

Basic properties

Name

Name thirteen million sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 1.3065981 × 10^7
Engineering notation 1.3065981 × 10^6

Prime Factorization of 13065981

Prime Factorization 3 × 4355327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13065981
Product of the distinct prime numbers

The prime factorization of 13065981 is 3 × 4355327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13065981)

Multiplication

n×y
n×2 26131962
n×3 39197943
n×4 52263924
n×5 65329905

Division

n÷y
n÷2 6532990.5
n÷3 4355327
n÷3 3266495.25
n÷5 2613196.2

Exponentiation

ny
n2 170719859492361
n3 2.2306224404499E+21
n4 2.9145270425091E+28
n5 3.8081154961411E+35

Nth Root

y√n
2√n 3614.689613231
3√n 235.53060127676
4√n 60.122288822291
5√n 26.498934060344

Divisors of 13065981

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 -13065980
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 13065981 can be divided by 4 positive divisors. The sum of these divisors (counting 13065981) is 1, the average is 0.25.

Base conversion 13065981

Base System Value
2 Binary 110001110101111011111101
3 Ternary 220120211011020
4 Quaternary 301311323331
5 Quinary 11321102411
6 Senary 1144014353
8 Octal 61657375
10 Decimal 13065981
12 Duodecimal 44613b9
16 Hexadecimal c75efd
20 Vigesimal 41d4j1
36 Base36 7s1rx

Cryptographic Hash Functions

md5 c4274382b24fbcadfa408f0279c008c4
sha1 aac1a2568b2430afca4db9f890c7dd3b42605bf9
sha256 d13aa80381531946b5582ce7976d374d0961aaf38507e0c565da4f6e42844c3b
sha512 0201f7ee80d065eefe73417dedecfe6c90f1acec940cbd3e0d9607c580639b3e9b06d2bcc75c2ceab83920fe542993195a46fea1b10d9b4b081fab047a9ad683
ripemd-160 d5b80fb37105f957eece1357e7a9798b6fc0ca1f

13065981 as geometric shapes

Circle

Radius = n
Diameter 26131962
Circumference 82095979.843088
Area 5.3633225640308E+14

Sphere

Radius = n
Volume 9.3436094291331E+21
Surface area 2.1453290256123E+15
Circumference 82095979.843088

Square

Length = n
Perimeter 52263924
Area 170719859492361
Diagonal 18478087.535909

Cube

Length = n
Surface area 1024319156954166
Volume 2.2306224404499E+21
Space diagonal 22630942.94273

Equilateral Triangle

Length = n
Perimeter 39197943
Area 73923867625447
Altitude 11315471.471365

Triangular Pyramid

Length = n
Surface area 73923867625447
Volume 2.628813756515E+20
Height 6159362.5119697