12981009 (number)

12981009 is an odd 8-digits composite number following 12981008 and preceding 12981010. In scientific notation, it is written as 1.2981009 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7914816 positive integers (up to 12981009) that are relatively prime to 12981009.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand nine

Notation

Scientific notation 1.2981009 × 10^7
Engineering notation 1.2981009 × 10^6

Prime Factorization of 12981009

Prime Factorization 87 × 19 × 7853

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981009
Product of the distinct prime numbers

The prime factorization of 12981009 is 87 × 19 × 7853. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981009)

Multiplication

n×y
n×2 25962018
n×3 38943027
n×4 51924036
n×5 64905045

Division

n÷y
n÷2 6490504.5
n÷3 4327003
n÷3 3245252.25
n÷5 2596201.8

Exponentiation

ny
n2 168506594658081
n3 2.1873856218159E+21
n4 2.8394472443263E+28
n5 3.6858890233625E+35

Nth Root

y√n
2√n 3602.9167350912
3√n 235.01891503099
4√n 60.024301204522
5√n 26.464377945613

Divisors of 12981009

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 -12981008
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 12981009 can be divided by 8 positive divisors. The sum of these divisors (counting 12981009) is 1, the average is 0.125.

Base conversion 12981009

Base System Value
2 Binary 110001100001001100010001
3 Ternary 220102111121010
4 Quaternary 301201030101
5 Quinary 11310343014
6 Senary 1142121133
8 Octal 61411421
10 Decimal 12981009
12 Duodecimal 44201a9
16 Hexadecimal c61311
20 Vigesimal 412ca9
36 Base36 7q87l

Cryptographic Hash Functions

md5 248a7f9abaa12028da8b5bbdcdf9722c
sha1 7594cb4af0fc265187097372b19e5f682430464c
sha256 63afb5a8cc8c51cc3f67aa638e37477af66e8d38d148e986fed965f1a86a7e81
sha512 012017106fd35a04bad89bbd6b4c4eebe4219fd5afc01a844c7cbf3d1924eb46c8455e89c57b1a4cfc1d7b9b8393ac82cb0be562a6a681199f9dc162219fee28
ripemd-160 56a3dfa9286c491ec03f6b1818899ee2fe1d8dc8

12981009 as geometric shapes

Circle

Radius = n
Diameter 25962018
Circumference 81562085.021166
Area 5.2937907985926E+14

Sphere

Radius = n
Volume 9.162499466753E+21
Surface area 2.117516319437E+15
Circumference 81562085.021166

Square

Length = n
Perimeter 51924036
Area 168506594658081
Diagonal 18357918.981087

Cube

Length = n
Surface area 1011039567948486
Volume 2.1873856218159E+21
Space diagonal 22483767.121509

Equilateral Triangle

Length = n
Perimeter 38943027
Area 72965495839553
Altitude 11241883.560754

Triangular Pyramid

Length = n
Surface area 72965495839553
Volume 2.5778586770933E+20
Height 6119306.3270291