12642905 (number)

12642905 is an odd 8-digits composite number following 12642904 and preceding 12642906. In scientific notation, it is written as 1.2642905 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 9156480 positive integers (up to 12642905) that are relatively prime to 12642905.

Interesting facts

Basic properties

Name

Name twelve million six hundred forty-two thousand nine hundred five

Notation

Scientific notation 1.2642905 × 10^7
Engineering notation 1.2642905 × 10^6

Prime Factorization of 12642905

Prime Factorization 55 × 503 × 457

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12642905
Product of the distinct prime numbers

The prime factorization of 12642905 is 55 × 503 × 457. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12642905)

Multiplication

n×y
n×2 25285810
n×3 37928715
n×4 50571620
n×5 63214525

Division

n÷y
n÷2 6321452.5
n÷3 4214301.6666667
n÷3 3160726.25
n÷5 2528581

Exponentiation

ny
n2 159843046839025
n3 2.0208804560963E+21
n4 2.5549799622783E+28
n5 3.2302368939988E+35

Nth Root

y√n
2√n 3555.6862909992
3√n 232.96050095784
4√n 59.629575639939
5√n 26.325060316574

Divisors of 12642905

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 -12642904
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 12642905 can be divided by 8 positive divisors. The sum of these divisors (counting 12642905) is 1, the average is 0.125.

Base conversion 12642905

Base System Value
2 Binary 110000001110101001011001
3 Ternary 212210022210202
4 Quaternary 300032221121
5 Quinary 11214033110
6 Senary 1130551545
8 Octal 60165131
10 Decimal 12642905
12 Duodecimal 42985b5
16 Hexadecimal c0ea59
20 Vigesimal 3j0755
36 Base36 7izbt

Cryptographic Hash Functions

md5 919c335d6163d1205247082d55fc2129
sha1 b8503f3d09b09a7189c8974eb000e96442bb3bbd
sha256 4445e7915d25b64e10918d256ae92b35cb1297da080fe7df0bb0322548fd8048
sha512 254128a8b83203c07a35137a33bccfd9858d768f86aec5c513178efd702465444733e6f07a5177943482a929d94d12cbc23a06523a00c7582d262e8a27d0ea52
ripemd-160 2070d7d5dd102df1adbfccf814669b5d62e8f760

12642905 as geometric shapes

Circle

Radius = n
Diameter 25285810
Circumference 79437714.936067
Area 5.0216174167689E+14

Sphere

Radius = n
Volume 8.4650442595406E+21
Surface area 2.0086469667076E+15
Circumference 79437714.936067

Square

Length = n
Perimeter 50571620
Area 159843046839025
Diagonal 17879767.718795

Cube

Length = n
Surface area 959058281034150
Volume 2.0208804560963E+21
Space diagonal 21898153.815267

Equilateral Triangle

Length = n
Perimeter 37928715
Area 69214069590451
Altitude 10949076.907633

Triangular Pyramid

Length = n
Surface area 69214069590451
Volume 2.3816304574551E+20
Height 5959922.5729315