12985845 (number)

12985845 is an odd 8-digits composite number following 12985844 and preceding 12985846. In scientific notation, it is written as 1.2985845 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 6886080 positive integers (up to 12985845) that are relatively prime to 12985845.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-five thousand eight hundred forty-five

Notation

Scientific notation 1.2985845 × 10^7
Engineering notation 1.2985845 × 10^6

Prime Factorization of 12985845

Prime Factorization 3 × 5 × 181 × 4783

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12985845
Product of the distinct prime numbers

The prime factorization of 12985845 is 3 × 5 × 181 × 4783. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12985845)

Multiplication

n×y
n×2 25971690
n×3 38957535
n×4 51943380
n×5 64929225

Division

n÷y
n÷2 6492922.5
n÷3 4328615
n÷3 3246461.25
n÷5 2597169

Exponentiation

ny
n2 168632170364025
n3 2.1898312263608E+21
n4 2.8436808881682E+28
n5 3.6927599243214E+35

Nth Root

y√n
2√n 3603.5877955171
3√n 235.04809638774
4√n 60.029890850452
5√n 26.466349482101

Divisors of 12985845

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 -12985844
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 12985845 can be divided by 16 positive divisors. The sum of these divisors (counting 12985845) is 1, the average is 0.0625.

Base conversion 12985845

Base System Value
2 Binary 110001100010010111110101
3 Ternary 220102202020020
4 Quaternary 301202113311
5 Quinary 11311021340
6 Senary 1142155353
8 Octal 61422765
10 Decimal 12985845
12 Duodecimal 4422b59
16 Hexadecimal c625f5
20 Vigesimal 4134c5
36 Base36 7qbxx

Cryptographic Hash Functions

md5 026d3ff516401dc7e6d6f0b263365915
sha1 e5a628f93bc8310da92c4e7ccab742b05d35c6b4
sha256 bafbb09ae8821cba57a62fca72d5a7857cf4174aeb49dcd7d5fdbad63adb7ceb
sha512 9ce528d215ed2a2419c23897467c21514539289a8150effa09d39b35a0fde3bf89fa8abc77337c705c2cbf8e1ac5986f0f1b8fc409bc79f205e9a47bd620b9e4
ripemd-160 435292ece2497f99dc71f9f5eafb78c9148418bf

12985845 as geometric shapes

Circle

Radius = n
Diameter 25971690
Circumference 81592470.505311
Area 5.2977358757452E+14

Sphere

Radius = n
Volume 9.1727435911156E+21
Surface area 2.1190943502981E+15
Circumference 81592470.505311

Square

Length = n
Perimeter 51943380
Area 168632170364025
Diagonal 18364758.117875

Cube

Length = n
Surface area 1011793022184150
Volume 2.1898312263608E+21
Space diagonal 22492143.319214

Equilateral Triangle

Length = n
Perimeter 38957535
Area 73019871715276
Altitude 11246071.659607

Triangular Pyramid

Length = n
Surface area 73019871715276
Volume 2.5807408496897E+20
Height 6121586.0392916