13181881 (number)

13181881 is an odd 8-digits composite number following 13181880 and preceding 13181882. In scientific notation, it is written as 1.3181881 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 13093264 positive integers (up to 13181881) that are relatively prime to 13181881.

Interesting facts

Basic properties

Name

Name thirteen million one hundred eighty-one thousand eight hundred eighty-one

Notation

Scientific notation 1.3181881 × 10^7
Engineering notation 1.3181881 × 10^6

Prime Factorization of 13181881

Prime Factorization 149 × 88469

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13181881
Product of the distinct prime numbers

The prime factorization of 13181881 is 149 × 88469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13181881)

Multiplication

n×y
n×2 26363762
n×3 39545643
n×4 52727524
n×5 65909405

Division

n÷y
n÷2 6590940.5
n÷3 4393960.3333333
n÷3 3295470.25
n÷5 2636376.2

Exponentiation

ny
n2 173761986698161
n3 2.2905098309787E+21
n4 3.0193228021292E+28
n5 3.9800353878254E+35

Nth Root

y√n
2√n 3630.6860233295
3√n 236.22496622662
4√n 60.255174245283
5√n 26.545779175747

Divisors of 13181881

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 -13181880
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 13181881 can be divided by 4 positive divisors. The sum of these divisors (counting 13181881) is 1, the average is 0.25.

Base conversion 13181881

Base System Value
2 Binary 110010010010001110111001
3 Ternary 220210201010211
4 Quaternary 302102032321
5 Quinary 11333310011
6 Senary 1150311121
8 Octal 62221671
10 Decimal 13181881
12 Duodecimal 44b84a1
16 Hexadecimal c923b9
20 Vigesimal 427ee1
36 Base36 7uj7d

Cryptographic Hash Functions

md5 6cf985c2156d022b47aa3c2a845877aa
sha1 391c7835b6d951622d71fd34d7e511257a6edde6
sha256 c3f9c70f52f999c914fe53aad84f6d47005b1c6cc3047e160da8731c5417c83c
sha512 603b8102e68ae3246cb9f976aa4428598e1c9bafa9b067df8119541025915774be27ef4f67946bb82ca400114186c043fae3ba7e7c11ee0a7b1fd65042151283
ripemd-160 cf45bf7df1ca44490e778adee82f05600fd51b09

13181881 as geometric shapes

Circle

Radius = n
Diameter 26363762
Circumference 82824201.02019
Area 5.4588938088411E+14

Sphere

Radius = n
Volume 9.5944651439707E+21
Surface area 2.1835575235364E+15
Circumference 82824201.02019

Square

Length = n
Perimeter 52727524
Area 173761986698161
Diagonal 18641994.887788

Cube

Length = n
Surface area 1042571920188966
Volume 2.2905098309787E+21
Space diagonal 22831687.631327

Equilateral Triangle

Length = n
Perimeter 39545643
Area 75241147346331
Altitude 11415843.815663

Triangular Pyramid

Length = n
Surface area 75241147346331
Volume 2.6993917230992E+20
Height 6213998.2959294