12961805 (number)

12961805 is an odd 8-digits composite number following 12961804 and preceding 12961806. In scientific notation, it is written as 1.2961805 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 10369440 positive integers (up to 12961805) that are relatively prime to 12961805.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2961805 × 10^7
Engineering notation 1.2961805 × 10^6

Prime Factorization of 12961805

Prime Factorization 5 × 2592361

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12961805
Product of the distinct prime numbers

The prime factorization of 12961805 is 5 × 2592361. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12961805)

Multiplication

n×y
n×2 25923610
n×3 38885415
n×4 51847220
n×5 64809025

Division

n÷y
n÷2 6480902.5
n÷3 4320601.6666667
n÷3 3240451.25
n÷5 2592361

Exponentiation

ny
n2 168008388858025
n3 2.1776919747419E+21
n4 2.8226818726669E+28
n5 3.6587052010544E+35

Nth Root

y√n
2√n 3600.2506857162
3√n 234.90296280356
4√n 60.002089011269
5√n 26.456543070449

Divisors of 12961805

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 -12961804
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 12961805 can be divided by 4 positive divisors. The sum of these divisors (counting 12961805) is 1, the average is 0.25.

Base conversion 12961805

Base System Value
2 Binary 110001011100100000001101
3 Ternary 220101112020212
4 Quaternary 301130200031
5 Quinary 11304234210
6 Senary 1141452205
8 Octal 61344015
10 Decimal 12961805
12 Duodecimal 4411065
16 Hexadecimal c5c80d
20 Vigesimal 4104a5
36 Base36 7pte5

Cryptographic Hash Functions

md5 65537385095f720a7286b7234b2e3d67
sha1 ba9387e557a0b4a0d3e664918232fe0666462045
sha256 619d46ade443ba40c8f6e68b3157e0c62b848c563ff6eb54d4d126267d3745d7
sha512 d3017ce9f13fc9c0a7bfb0b6ca22b05f026f865a4eb443eea4868899c3c7b38c8d6d2556b32b7ddeec05ca72f5016e5988c5e729a0da11ef5f69325bd9154653
ripemd-160 3026555d0f48388171eff4278df87621f7575c18

12961805 as geometric shapes

Circle

Radius = n
Diameter 25923610
Circumference 81441422.730527
Area 5.2781392017783E+14

Sphere

Radius = n
Volume 9.1218948128408E+21
Surface area 2.1112556807113E+15
Circumference 81441422.730527

Square

Length = n
Perimeter 51847220
Area 168008388858025
Diagonal 18330760.423835

Cube

Length = n
Surface area 1008050333148150
Volume 2.1776919747419E+21
Space diagonal 22450504.8178

Equilateral Triangle

Length = n
Perimeter 38885415
Area 72749766399972
Altitude 11225252.4089

Triangular Pyramid

Length = n
Surface area 72749766399972
Volume 2.5664346044592E+20
Height 6110253.4746118