12961605 (number)

12961605 is an odd 8-digits composite number following 12961604 and preceding 12961606. In scientific notation, it is written as 1.2961605 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 6912848 positive integers (up to 12961605) that are relatively prime to 12961605.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2961605 × 10^7
Engineering notation 1.2961605 × 10^6

Prime Factorization of 12961605

Prime Factorization 15 × 864107

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12961605
Product of the distinct prime numbers

The prime factorization of 12961605 is 15 × 864107. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12961605)

Multiplication

n×y
n×2 25923210
n×3 38884815
n×4 51846420
n×5 64808025

Division

n÷y
n÷2 6480802.5
n÷3 4320535
n÷3 3240401.25
n÷5 2592321

Exponentiation

ny
n2 168003204176025
n3 2.177591171264E+21
n4 2.8225076613411E+28
n5 3.6584229415777E+35

Nth Root

y√n
2√n 3600.2229097654
3√n 234.90175461704
4√n 60.001857552625
5√n 26.456461425319

Divisors of 12961605

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12961604
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12961605 can be divided by 4 positive divisors. The sum of these divisors (counting 12961605) is 1, the average is 0.25.

Base conversion 12961605

Base System Value
2 Binary 110001011100011101000101
3 Ternary 220101111222110
4 Quaternary 301130131011
5 Quinary 11304232410
6 Senary 1141451233
8 Octal 61343505
10 Decimal 12961605
12 Duodecimal 4410b19
16 Hexadecimal c5c745
20 Vigesimal 410405
36 Base36 7pt8l

Cryptographic Hash Functions

md5 92b75a5d2561ced2b4ca7f1035f40412
sha1 ec4789862f22d2692f922128d9d00e6ced6b8826
sha256 18294be0dd4a8e038113a63cd22f7007f96a18506e4cec5a7e6a9b0d8819953b
sha512 d547e3e22f71426d2890dc79e86da283c98dddcb2ffc05536e17990fb81bab2f0f68a11099e085ac8b234e7e386724189947b0ba8805f1436723b9174ae2c9dc
ripemd-160 1a5cbd080e96ad83b1edbd67a6416f1e277fe471

12961605 as geometric shapes

Circle

Radius = n
Diameter 25923210
Circumference 81440166.093465
Area 5.2779763201895E+14

Sphere

Radius = n
Volume 9.1214725682199E+21
Surface area 2.1111905280758E+15
Circumference 81440166.093465

Square

Length = n
Perimeter 51846420
Area 168003204176025
Diagonal 18330477.581123

Cube

Length = n
Surface area 1008019225056150
Volume 2.177591171264E+21
Space diagonal 22450158.407639

Equilateral Triangle

Length = n
Perimeter 38884815
Area 72747521366811
Altitude 11225079.203819

Triangular Pyramid

Length = n
Surface area 72747521366811
Volume 2.5663158064212E+20
Height 6110159.1937076