12981910 (number)

12981910 is an even 8-digits composite number following 12981909 and preceding 12981911. In scientific notation, it is written as 1.2981910 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 5192760 positive integers (up to 12981910) that are relatively prime to 12981910.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand nine hundred ten

Notation

Scientific notation 1.2981910 × 10^7
Engineering notation 1.2981910 × 10^6

Prime Factorization of 12981910

Prime Factorization 2 × 5 × 1298191

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12981910
Product of the distinct prime numbers

The prime factorization of 12981910 is 2 × 5 × 1298191. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981910)

Multiplication

n×y
n×2 25963820
n×3 38945730
n×4 51927640
n×5 64909550

Division

n÷y
n÷2 6490955
n÷3 4327303.3333333
n÷3 3245477.5
n÷5 2596382

Exponentiation

ny
n2 168529987248100
n3 2.187841126756E+21
n4 2.8402356601845E+28
n5 3.6871683719305E+35

Nth Root

y√n
2√n 3603.0417705045
3√n 235.02435238807
4√n 60.025342735419
5√n 26.464745309083

Divisors of 12981910

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 -12981909
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 12981910 can be divided by 8 positive divisors. The sum of these divisors (counting 12981910) is 1, the average is 0.125.

Base conversion 12981910

Base System Value
2 Binary 110001100001011010010110
3 Ternary 220102112211111
4 Quaternary 301201122112
5 Quinary 11310410120
6 Senary 1142125234
8 Octal 61413226
10 Decimal 12981910
12 Duodecimal 442081a
16 Hexadecimal c61696
20 Vigesimal 412efa
36 Base36 7q8wm

Cryptographic Hash Functions

md5 fd6d1b370f64fc09e2dfc7aabe0f1da2
sha1 497402a46df9701895431e6b89a0b24cda26a346
sha256 2a632c3c4b4a98a6735e83dae48b5bade6ab77fe1ae73d11d7e5696c7b582b19
sha512 06b84f9a2cd4044d879f256956a5c7952339c95494f6d1537d27a27bf37a7321ab2ecf6c4cc0d2f9e4831b593443cc476cee7b7f43a9337eee0929605e64d4ef
ripemd-160 67cd94840fd71bf678f04505d8f8969ef4389de6

12981910 as geometric shapes

Circle

Radius = n
Diameter 25963820
Circumference 81567746.171128
Area 5.2945256984821E+14

Sphere

Radius = n
Volume 9.1644074813843E+21
Surface area 2.1178102793928E+15
Circumference 81567746.171128

Square

Length = n
Perimeter 51927640
Area 168529987248100
Diagonal 18359193.187507

Cube

Length = n
Surface area 1011179923488600
Volume 2.187841126756E+21
Space diagonal 22485327.699286

Equilateral Triangle

Length = n
Perimeter 38945730
Area 72975625128161
Altitude 11242663.849643

Triangular Pyramid

Length = n
Surface area 72975625128161
Volume 2.5783954948133E+20
Height 6119731.0625023