12561985 (number)

12561985 is an odd 8-digits composite number following 12561984 and preceding 12561986. In scientific notation, it is written as 1.2561985 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 9755136 positive integers (up to 12561985) that are relatively prime to 12561985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2561985 × 10^7
Engineering notation 1.2561985 × 10^6

Prime Factorization of 12561985

Prime Factorization 5 × 439 × 59 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12561985
Product of the distinct prime numbers

The prime factorization of 12561985 is 5 × 439 × 59 × 97. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12561985)

Multiplication

n×y
n×2 25123970
n×3 37685955
n×4 50247940
n×5 62809925

Division

n÷y
n÷2 6280992.5
n÷3 4187328.3333333
n÷3 3140496.25
n÷5 2512397

Exponentiation

ny
n2 157803467140225
n3 1.9823247871635E+21
n4 2.4901934241476E+28
n5 3.1281772441241E+35

Nth Root

y√n
2√n 3544.2890683464
3√n 232.46242118205
4√n 59.5339320753
5√n 26.291275380968

Divisors of 12561985

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 -12561984
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 12561985 can be divided by 16 positive divisors. The sum of these divisors (counting 12561985) is 1, the average is 0.0625.

Base conversion 12561985

Base System Value
2 Binary 101111111010111001000001
3 Ternary 212122012210201
4 Quaternary 233322321001
5 Quinary 11203440420
6 Senary 1125125201
8 Octal 57727101
10 Decimal 12561985
12 Duodecimal 4259801
16 Hexadecimal bfae41
20 Vigesimal 3ia4j5
36 Base36 7h8w1

Cryptographic Hash Functions

md5 a3c34e3aa6c0b8b764a3f3a2cdd4e2f6
sha1 4d8e2fbb66f3a1d848bc270a05e1f8cc879909a2
sha256 bb1ea415ef6cbb0b89fb828e8d4088e0e605d448acffbb9bd412882a47bdfd88
sha512 cf9a5104634833b94f4bb988a8ffb4c300fdb4e775c0e8bdeb47c8b19caa8331725eb01ae65507f852d820d47664b31e51958ab49b1db9b06153d57057817716
ripemd-160 f3d587db4bb0edee12fc7330243044fbfdc178d4

12561985 as geometric shapes

Circle

Radius = n
Diameter 25123970
Circumference 78929279.58101
Area 4.9575421307873E+14

Sphere

Radius = n
Volume 8.3035426511757E+21
Surface area 1.9830168523149E+15
Circumference 78929279.58101

Square

Length = n
Perimeter 50247940
Area 157803467140225
Diagonal 17765329.557327

Cube

Length = n
Surface area 946820802841350
Volume 1.9823247871635E+21
Space diagonal 21757996.263918

Equilateral Triangle

Length = n
Perimeter 37685955
Area 68330905674349
Altitude 10878998.131959

Triangular Pyramid

Length = n
Surface area 68330905674349
Volume 2.3361921658625E+20
Height 5921776.5191091