13000981 (number)

13000981 is an odd 8-digits composite number following 13000980 and preceding 13000982. In scientific notation, it is written as 1.3000981 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 11143692 positive integers (up to 13000981) that are relatively prime to 13000981.

Interesting facts

Basic properties

Name

Name thirteen million nine hundred eighty-one

Notation

Scientific notation 1.3000981 × 10^7
Engineering notation 1.3000981 × 10^6

Prime Factorization of 13000981

Prime Factorization 7 × 1857283

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13000981
Product of the distinct prime numbers

The prime factorization of 13000981 is 7 × 1857283. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13000981)

Multiplication

n×y
n×2 26001962
n×3 39002943
n×4 52003924
n×5 65004905

Division

n÷y
n÷2 6500490.5
n÷3 4333660.3333333
n÷3 3250245.25
n÷5 2600196.2

Exponentiation

ny
n2 169025506962361
n3 2.197497404533E+21
n4 2.8569622003883E+28
n5 3.7143311284967E+35

Nth Root

y√n
2√n 3605.6873131208
3√n 235.13938313441
4√n 60.047375572299
5√n 26.472516320327

Divisors of 13000981

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 -13000980
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 13000981 can be divided by 4 positive divisors. The sum of these divisors (counting 13000981) is 1, the average is 0.25.

Base conversion 13000981

Base System Value
2 Binary 110001100110000100010101
3 Ternary 220110111222211
4 Quaternary 301212010111
5 Quinary 11312012411
6 Senary 1142353421
8 Octal 61460425
10 Decimal 13000981
12 Duodecimal 442b871
16 Hexadecimal c66115
20 Vigesimal 415291
36 Base36 7qnmd

Cryptographic Hash Functions

md5 c7123d05ca5cc5eb06003fc92430e8dd
sha1 5175271c98846ce39795969e89994c94d03a54f2
sha256 1678b8e6840a5c93a75a12a7760bcb34f5f4fc896185b9b19724608130349fd9
sha512 23e2cbd9ad4f9128bab5bcfb566f328730a29bea2d26fa840b8c0c444c2ab0c72847dfcea878e366ea3d2aa6a6635c2d72f99a902a0bb858f8299b17f11fff0f
ripemd-160 8dc771c185ac5b53fe5d44cd5f901bbd678757f4

13000981 as geometric shapes

Circle

Radius = n
Diameter 26001962
Circumference 81687572.798121
Area 5.3100929094224E+14

Sphere

Radius = n
Volume 9.2048556031514E+21
Surface area 2.124037163769E+15
Circumference 81687572.798121

Square

Length = n
Perimeter 52003924
Area 169025506962361
Diagonal 18386163.654355

Cube

Length = n
Surface area 1014153041774166
Volume 2.197497404533E+21
Space diagonal 22518359.640238

Equilateral Triangle

Length = n
Perimeter 39002943
Area 73190191458474
Altitude 11259179.820119

Triangular Pyramid

Length = n
Surface area 73190191458474
Volume 2.5897755273086E+20
Height 6128721.2181183