12749905 (number)

12749905 is an odd 8-digits composite number following 12749904 and preceding 12749906. In scientific notation, it is written as 1.2749905 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 8675712 positive integers (up to 12749905) that are relatively prime to 12749905.

Interesting facts

Basic properties

Name

Name twelve million seven hundred forty-nine thousand nine hundred five

Notation

Scientific notation 1.2749905 × 10^7
Engineering notation 1.2749905 × 10^6

Prime Factorization of 12749905

Prime Factorization 35 × 137 × 2659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12749905
Product of the distinct prime numbers

The prime factorization of 12749905 is 35 × 137 × 2659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12749905)

Multiplication

n×y
n×2 25499810
n×3 38249715
n×4 50999620
n×5 63749525

Division

n÷y
n÷2 6374952.5
n÷3 4249968.3333333
n÷3 3187476.25
n÷5 2549981

Exponentiation

ny
n2 162560077509025
n3 2.0726255450327E+21
n4 2.642577879974E+28
n5 3.369261692477E+35

Nth Root

y√n
2√n 3570.7009115858
3√n 233.61585619249
4√n 59.755342117553
5√n 26.369469318238

Divisors of 12749905

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 -12749904
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 12749905 can be divided by 8 positive divisors. The sum of these divisors (counting 12749905) is 1, the average is 0.125.

Base conversion 12749905

Base System Value
2 Binary 110000101000110001010001
3 Ternary 212222202120201
4 Quaternary 300220301101
5 Quinary 11230444110
6 Senary 1133135201
8 Octal 60506121
10 Decimal 12749905
12 Duodecimal 432a501
16 Hexadecimal c28c51
20 Vigesimal 3jdef5
36 Base36 7l9w1

Cryptographic Hash Functions

md5 383a092fb38f1633afd338aec12e5d3d
sha1 ef94e50d97eaefa6d6b332fe7e720336f0a2d894
sha256 ae052d171844e791b0c64c43741a62898e8161cb94c2b293a9b31e3242b74b0f
sha512 c50e3579c7864aafa887112d653ce11829bc9bf3c9468423a0bfeb6b916b439c1754a16fe4e4f826fc9ffd5a5263329f1f2f54df2d4179e568f79e7585a7ba92
ripemd-160 850ed57784faecb6ff1b75b078d5dbef86941802

12749905 as geometric shapes

Circle

Radius = n
Diameter 25499810
Circumference 80110015.763936
Area 5.1069754526934E+14

Sphere

Radius = n
Volume 8.6817935812231E+21
Surface area 2.0427901810774E+15
Circumference 80110015.763936

Square

Length = n
Perimeter 50999620
Area 162560077509025
Diagonal 18031088.569969

Cube

Length = n
Surface area 975360465054150
Volume 2.0726255450327E+21
Space diagonal 22083483.251676

Equilateral Triangle

Length = n
Perimeter 38249715
Area 70390578381992
Altitude 11041741.625838

Triangular Pyramid

Length = n
Surface area 70390578381992
Volume 2.4426126295885E+20
Height 6010362.8566562