12981605 (number)

12981605 is an odd 8-digits composite number following 12981604 and preceding 12981606. In scientific notation, it is written as 1.2981605 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8107776 positive integers (up to 12981605) that are relatively prime to 12981605.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981605 × 10^7
Engineering notation 1.2981605 × 10^6

Prime Factorization of 12981605

Prime Factorization 65 × 7 × 103 × 277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12981605
Product of the distinct prime numbers

The prime factorization of 12981605 is 65 × 7 × 103 × 277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 5, 25, 25, 631, 220, 9436, 1144, 35721, 87161, 586106, 732684, 6722898, 5352712, 44246281, 2362399, 369744469, 407208595, 9480951757, 1365767002

Basic calculations (n = 12981605)

Multiplication

n×y
n×2 25963210
n×3 38944815
n×4 51926420
n×5 64908025

Division

n÷y
n÷2 6490802.5
n÷3 4327201.6666667
n÷3 3245401.25
n÷5 2596321

Exponentiation

ny
n2 168522068376025
n3 2.1876869254405E+21
n4 2.8399687529734E+28
n5 3.6867352563443E+35

Nth Root

y√n
2√n 3602.999444907
3√n 235.02251180147
4√n 60.024990169987
5√n 26.464620954143

Divisors of 12981605

1, 7, 65, 103, 277, 455, 721, 1939, 6695, 18005, 28531, 46865, 126035, 199717, 1854515, 12981605

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12981604
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981605 can be divided by 16 positive divisors. The sum of these divisors (counting 12981605) is 1, the average is 0.0625.

Base conversion 12981605

Base System Value
2 Binary 110001100001010101100101
3 Ternary 220102112102012
4 Quaternary 301201111211
5 Quinary 11310402410
6 Senary 1142124005
8 Octal 61412545
10 Decimal 12981605
12 Duodecimal 4420605
16 Hexadecimal c61565
20 Vigesimal 412e05
36 Base36 7q8o5

Cryptographic Hash Functions

md5 4d0850e4934fbcd6f6ce0226aeb93374
sha1 e0348dd3fd6cfd0c46e0445ef0fb28731b008364
sha256 95f199e5aed2476ee4ce3ee00414c6e776c419358ac6904e2823fc2ed95f92bf
sha512 bb54ff1701b106cd49d0cb3f092b292da3b27a38de4562a7f98051305ba28a1108843bff95cc48a7914693ff57714c12100f1b5cbc2987b189f3d0e2f6fc579c
ripemd-160 a95aca39893015fd997dfd2b719a946e532a79ef

12981605 as geometric shapes

Circle

Radius = n
Diameter 25963210
Circumference 81565829.799609
Area 5.2942769197788E+14

Sphere

Radius = n
Volume 9.1637615644246E+21
Surface area 2.1177107679115E+15
Circumference 81565829.799609

Square

Length = n
Perimeter 51926420
Area 168522068376025
Diagonal 18358761.85237

Cube

Length = n
Surface area 1011132410256150
Volume 2.1876869254405E+21
Space diagonal 22484799.42379

Equilateral Triangle

Length = n
Perimeter 38944815
Area 72972196155968
Altitude 11242399.711895

Triangular Pyramid

Length = n
Surface area 72972196155968
Volume 2.5782137668203E+20
Height 6119587.2841235