12711981 (number)

12711981 is an odd 8-digits composite number following 12711980 and preceding 12711982. In scientific notation, it is written as 1.2711981 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 8465472 positive integers (up to 12711981) that are relatively prime to 12711981.

Interesting facts

Basic properties

Name

Name twelve million seven hundred eleven thousand nine hundred eighty-one

Notation

Scientific notation 1.2711981 × 10^7
Engineering notation 1.2711981 × 10^6

Prime Factorization of 12711981

Prime Factorization 3 × 3313 × 1279

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12711981
Product of the distinct prime numbers

The prime factorization of 12711981 is 3 × 3313 × 1279. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12711981)

Multiplication

n×y
n×2 25423962
n×3 38135943
n×4 50847924
n×5 63559905

Division

n÷y
n÷2 6355990.5
n÷3 4237327
n÷3 3177995.25
n÷5 2542396.2

Exponentiation

ny
n2 161594460944361
n3 2.05418571723E+21
n4 2.6112769807899E+28
n5 3.3194503365538E+35

Nth Root

y√n
2√n 3565.3865148115
3√n 233.38399965505
4√n 59.71085759568
5√n 26.353763668568

Divisors of 12711981

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 -12711980
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 12711981 can be divided by 8 positive divisors. The sum of these divisors (counting 12711981) is 1, the average is 0.125.

Base conversion 12711981

Base System Value
2 Binary 110000011111100000101101
3 Ternary 212220211120010
4 Quaternary 300133200231
5 Quinary 11223240411
6 Senary 1132243433
8 Octal 60374055
10 Decimal 12711981
12 Duodecimal 4310579
16 Hexadecimal c1f82d
20 Vigesimal 3j8jj1
36 Base36 7kgml

Cryptographic Hash Functions

md5 379f832a387e472c834504f4d36fa2e4
sha1 f411261bb0b47ee862c49df53486a4d986db6add
sha256 6f5332341a793911c181631c24d603d36c2314fe483f2b16927f883fffc90751
sha512 33d45996380507af5814fcf655b42d6ca462eb1f2299b1d824cf65df62837d6f0618413ff97710b82cc84075917ab32f298a516abd23d8f964f10e3b7f0d882d
ripemd-160 aac6e4e6ad99158ccd7b2ab3505aeb24704d16eb

12711981 as geometric shapes

Circle

Radius = n
Diameter 25423962
Circumference 79871732.244346
Area 5.0766397136361E+14

Sphere

Radius = n
Volume 8.604553011145E+21
Surface area 2.0306558854544E+15
Circumference 79871732.244346

Square

Length = n
Perimeter 50847924
Area 161594460944361
Diagonal 17977455.934829

Cube

Length = n
Surface area 969566765666166
Volume 2.05418571723E+21
Space diagonal 22017796.95685

Equilateral Triangle

Length = n
Perimeter 38135943
Area 69972454144334
Altitude 11008898.478425

Triangular Pyramid

Length = n
Surface area 69972454144334
Volume 2.4208810841164E+20
Height 5992485.3116097