12975981 (number)

12975981 is an odd 8-digits composite number following 12975980 and preceding 12975982. In scientific notation, it is written as 1.2975981 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 7741440 positive integers (up to 12975981) that are relatively prime to 12975981.

Interesting facts

Basic properties

Name

Name twelve million nine hundred seventy-five thousand nine hundred eighty-one

Notation

Scientific notation 1.2975981 × 10^7
Engineering notation 1.2975981 × 10^6

Prime Factorization of 12975981

Prime Factorization 3 × 17 × 61 × 43 × 97

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12975981
Product of the distinct prime numbers

The prime factorization of 12975981 is 3 × 17 × 61 × 43 × 97. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 73, 54, 931, 300, 6314, 4479, 40240, 36628, 27976, 316112, 1778148, 5637802, 6732594, 19284267, 191670976, 793384966, 9395276286, 8490580604

Basic calculations (n = 12975981)

Multiplication

n×y
n×2 25951962
n×3 38927943
n×4 51903924
n×5 64879905

Division

n÷y
n÷2 6487990.5
n÷3 4325327
n÷3 3243995.25
n÷5 2595196.2

Exponentiation

ny
n2 168376082912361
n3 2.1848448527252E+21
n4 2.835050529691E+28
n5 3.6787561807311E+35

Nth Root

y√n
2√n 3602.2188995118
3√n 234.9885674233
4√n 60.018487980886
5√n 26.462327511581

Divisors of 12975981

1, 3, 17, 43, 51, 61, 97, 129, 183, 291, 731, 1037, 1649, 2193, 2623, 3111, 4171, 4947, 5917, 7869, 12513, 17751, 44591, 70907, 100589, 133773, 212721, 254431, 301767, 763293, 4325327, 12975981

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12975980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12975981 can be divided by 32 positive divisors. The sum of these divisors (counting 12975981) is 1, the average is 0.03125.

Base conversion 12975981

Base System Value
2 Binary 110001011111111101101101
3 Ternary 220102020200220
4 Quaternary 301133331231
5 Quinary 11310212411
6 Senary 1142041553
8 Octal 61377555
10 Decimal 12975981
12 Duodecimal 44192b9
16 Hexadecimal c5ff6d
20 Vigesimal 411jj1
36 Base36 7q4bx

Cryptographic Hash Functions

md5 5a7030cfb29b9bed85c77622a262a9b8
sha1 ae180408551c9469a66bb2ba24a4865de980a517
sha256 ddd2e6f5450f0f330da17e544e71c124ef330125d772f178587371116703444f
sha512 d899af9c49ab0002ceb4ba9429f08ae85fa50083078ce88115faeaf6aeca36d9653b5aafe23050fd1c13d2b809cf936e57f3e7264b8ae94c8ef4716e6f1537b7
ripemd-160 a4392a584ad90da6b7bbfb72063f3c047fc17db5

12975981 as geometric shapes

Circle

Radius = n
Diameter 25951962
Circumference 81530493.165441
Area 5.289690651177E+14

Sphere

Radius = n
Volume 9.1518567180734E+21
Surface area 2.1158762604708E+15
Circumference 81530493.165441

Square

Length = n
Perimeter 51903924
Area 168376082912361
Diagonal 18350808.315296

Cube

Length = n
Surface area 1010256497474166
Volume 2.1848448527252E+21
Space diagonal 22475058.370048

Equilateral Triangle

Length = n
Perimeter 38927943
Area 72908982595910
Altitude 11237529.185024

Triangular Pyramid

Length = n
Surface area 72908982595910
Volume 2.5748643520042E+20
Height 6116936.1050985