13156981 (number)

13156981 is an odd 8-digits composite number following 13156980 and preceding 13156982. In scientific notation, it is written as 1.3156981 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 12665520 positive integers (up to 13156981) that are relatively prime to 13156981.

Interesting facts

Basic properties

Name

Name thirteen million one hundred fifty-six thousand nine hundred eighty-one

Notation

Scientific notation 1.3156981 × 10^7
Engineering notation 1.3156981 × 10^6

Prime Factorization of 13156981

Prime Factorization 631 × 29 × 719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 13156981
Product of the distinct prime numbers

The prime factorization of 13156981 is 631 × 29 × 719. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13156981)

Multiplication

n×y
n×2 26313962
n×3 39470943
n×4 52627924
n×5 65784905

Division

n÷y
n÷2 6578490.5
n÷3 4385660.3333333
n÷3 3289245.25
n÷5 2631396.2

Exponentiation

ny
n2 173106149034361
n3 2.2775543138283E+21
n4 2.9965738833506E+28
n5 3.9425865648341E+35

Nth Root

y√n
2√n 3627.2552984316
3√n 236.07613291101
4√n 60.226699215809
5√n 26.535742825081

Divisors of 13156981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -13156980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 13156981 can be divided by 8 positive divisors. The sum of these divisors (counting 13156981) is 1, the average is 0.125.

Base conversion 13156981

Base System Value
2 Binary 110010001100001001110101
3 Ternary 220202102222121
4 Quaternary 302030021311
5 Quinary 11332010411
6 Senary 1145555541
8 Octal 62141165
10 Decimal 13156981
12 Duodecimal 44a5bb1
16 Hexadecimal c8c275
20 Vigesimal 424c91
36 Base36 7tzzp

Cryptographic Hash Functions

md5 9851884984da8ec843f312fc27d476ec
sha1 71e6b04bd96c348c33f3b972772e0eeeecad698f
sha256 7b4d773cd5631c589897d30b9b4009ee6b710ea73976b51f32ad9e29e2147a18
sha512 78f588e3ea31adcd1dc45f7dce37e8e79ea3629c1c3c6c9e6ff11d514bee45c537b498f3566d0b198c82e82e8ff312d1045b569ce6d69e7b1bdd73f81db3e21d
ripemd-160 0b5ca80519ce0d37167339cd72f354c93134650a

13156981 as geometric shapes

Circle

Radius = n
Diameter 26313962
Circumference 82667749.706041
Area 5.4382900609757E+14

Sphere

Radius = n
Volume 9.5401972006328E+21
Surface area 2.1753160243903E+15
Circumference 82667749.706041

Square

Length = n
Perimeter 52627924
Area 173106149034361
Diagonal 18606780.970085

Cube

Length = n
Surface area 1038636894206166
Volume 2.2775543138283E+21
Space diagonal 22788559.566218

Equilateral Triangle

Length = n
Perimeter 39470943
Area 74957161307526
Altitude 11394279.783109

Triangular Pyramid

Length = n
Surface area 74957161307526
Volume 2.6841234997144E+20
Height 6202260.3233617