12961818 (number)

12961818 is an even 8-digits composite number following 12961817 and preceding 12961819. In scientific notation, it is written as 1.2961818 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 4320600 positive integers (up to 12961818) that are relatively prime to 12961818.

Interesting facts

Basic properties

Name

Name twelve million nine hundred sixty-one thousand eight hundred eighteen

Notation

Scientific notation 1.2961818 × 10^7
Engineering notation 1.2961818 × 10^6

Prime Factorization of 12961818

Prime Factorization 2 × 9 × 720101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12961818
Product of the distinct prime numbers

The prime factorization of 12961818 is 2 × 9 × 720101. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12961818)

Multiplication

n×y
n×2 25923636
n×3 38885454
n×4 51847272
n×5 64809090

Division

n÷y
n÷2 6480909
n÷3 4320606
n÷3 3240454.5
n÷5 2592363.6

Exponentiation

ny
n2 168008725865124
n3 2.1776985270756E+21
n4 2.8226931966822E+28
n5 3.6587235485233E+35

Nth Root

y√n
2√n 3600.2524911456
3√n 234.90304133526
4√n 60.002104055988
5√n 26.456548377348

Divisors of 12961818

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 -12961817
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 12961818 can be divided by 8 positive divisors. The sum of these divisors (counting 12961818) is 1, the average is 0.125.

Base conversion 12961818

Base System Value
2 Binary 110001011100100000011010
3 Ternary 220101112021100
4 Quaternary 301130200122
5 Quinary 11304234233
6 Senary 1141452230
8 Octal 61344032
10 Decimal 12961818
12 Duodecimal 4411076
16 Hexadecimal c5c81a
20 Vigesimal 4104ai
36 Base36 7ptei

Cryptographic Hash Functions

md5 ae57c67dabcee5aa13498028d135fea1
sha1 e804978d6cb4ffbcad94a08192d9cd3d7b9498b7
sha256 4f2ddac66fd532bad6c2fe87690fc025c56cf91b2770b26ca78b50a0dfad253a
sha512 488d9b3eb7da93f87b888d352ca298d9b115f8cf4a5de4761413fc16b0d97922e03a76ef789face581da74831f59f3a32737c2a3cce5d79ee308afbe0782f7ca
ripemd-160 7a8228a3db90b61490dbf2a05850e7842c7b42e1

12961818 as geometric shapes

Circle

Radius = n
Diameter 25923636
Circumference 81441504.411936
Area 5.2781497891686E+14

Sphere

Radius = n
Volume 9.1219222591921E+21
Surface area 2.1112599156674E+15
Circumference 81441504.411936

Square

Length = n
Perimeter 51847272
Area 168008725865124
Diagonal 18330778.808612

Cube

Length = n
Surface area 1008052355190744
Volume 2.1776985270756E+21
Space diagonal 22450527.334461

Equilateral Triangle

Length = n
Perimeter 38885454
Area 72749912328327
Altitude 11225263.66723

Triangular Pyramid

Length = n
Surface area 72749912328327
Volume 2.5664423264586E+20
Height 6110259.6028706