13012981 (number)

13012981 is an odd 8-digits composite number following 13012980 and preceding 13012982. In scientific notation, it is written as 1.3012981 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 12792364 positive integers (up to 13012981) that are relatively prime to 13012981.

Interesting facts

Basic properties

Name

Name thirteen million twelve thousand nine hundred eighty-one

Notation

Scientific notation 1.3012981 × 10^7
Engineering notation 1.3012981 × 10^6

Prime Factorization of 13012981

Prime Factorization 59 × 220559

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 13012981
Product of the distinct prime numbers

The prime factorization of 13012981 is 59 × 220559. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 13012981)

Multiplication

n×y
n×2 26025962
n×3 39038943
n×4 52051924
n×5 65064905

Division

n÷y
n÷2 6506490.5
n÷3 4337660.3333333
n÷3 3253245.25
n÷5 2602596.2

Exponentiation

ny
n2 169337674506361
n3 2.2035879409355E+21
n4 2.8675248007222E+28
n5 3.7315045748827E+35

Nth Root

y√n
2√n 3607.3509671226
3√n 235.21170600761
4√n 60.061226819992
5√n 26.477401382093

Divisors of 13012981

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 -13012980
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 13012981 can be divided by 4 positive divisors. The sum of these divisors (counting 13012981) is 1, the average is 0.25.

Base conversion 13012981

Base System Value
2 Binary 110001101000111111110101
3 Ternary 220111010110021
4 Quaternary 301220333311
5 Quinary 11312403411
6 Senary 1142525141
8 Octal 61507765
10 Decimal 13012981
12 Duodecimal 44367b1
16 Hexadecimal c68ff5
20 Vigesimal 416c91
36 Base36 7qwvp

Cryptographic Hash Functions

md5 43afe8e7a57ac74636fa4f2f1fb23846
sha1 8b724b6c11674f6bc6139b5392ed0cfa14aeee28
sha256 94e00669d315a0f678450b76663419558792c4caa42c0d175893afc190b20c85
sha512 70c99f83d83580b56099e5b74c6d1a23e67946cf3c367a8f6705c7cfa6fae6b6cce6fb09962efa2f006512f775ee93ef8abeaf256b98afa5827e32f630aeb48e
ripemd-160 1a69685ed794b8222b8c43f53a4e989b54b27360

13012981 as geometric shapes

Circle

Radius = n
Diameter 26025962
Circumference 81762971.021807
Area 5.3198999420516E+14

Sphere

Radius = n
Volume 9.2303675823759E+21
Surface area 2.1279599768207E+15
Circumference 81762971.021807

Square

Length = n
Perimeter 52051924
Area 169337674506361
Diagonal 18403134.217103

Cube

Length = n
Surface area 1016026047038166
Volume 2.2035879409355E+21
Space diagonal 22539144.249928

Equilateral Triangle

Length = n
Perimeter 39038943
Area 73325363970145
Altitude 11269572.124964

Triangular Pyramid

Length = n
Surface area 73325363970145
Volume 2.5969532932939E+20
Height 6134378.0723678