12542990 (number)

12542990 is an even 8-digits composite number following 12542989 and preceding 12542991. In scientific notation, it is written as 1.2542990 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 4990944 positive integers (up to 12542990) that are relatively prime to 12542990.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2542990 × 10^7
Engineering notation 1.2542990 × 10^6

Prime Factorization of 12542990

Prime Factorization 2 × 5 × 197 × 6367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12542990
Product of the distinct prime numbers

The prime factorization of 12542990 is 2 × 5 × 197 × 6367. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 50, 6, 64, 510, 2046, 9264, 29186, 37330, 639061, 128216, 3866695, 1382485, 28565786, 86923705, 233044281, 208868079, 8069014662, 1479163475

Basic calculations (n = 12542990)

Multiplication

n×y
n×2 25085980
n×3 37628970
n×4 50171960
n×5 62714950

Division

n÷y
n÷2 6271495
n÷3 4180996.6666667
n÷3 3135747.5
n÷5 2508598

Exponentiation

ny
n2 157326598140100
n3 1.9733459472053E+21
n4 2.4751658482337E+28
n5 3.1045980482736E+35

Nth Root

y√n
2√n 3541.6083916774
3√n 232.34519312756
4√n 59.511413961335
5√n 26.28331955059

Divisors of 12542990

1, 2, 5, 10, 197, 394, 985, 1970, 6367, 12734, 31835, 63670, 1254299, 2508598, 6271495, 12542990

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 -12542989
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 12542990 can be divided by 16 positive divisors. The sum of these divisors (counting 12542990) is 1, the average is 0.0625.

Base conversion 12542990

Base System Value
2 Binary 101111110110010000001110
3 Ternary 212121020202012
4 Quaternary 233312100032
5 Quinary 11202333430
6 Senary 1124501222
8 Octal 57662016
10 Decimal 12542990
12 Duodecimal 424a812
16 Hexadecimal bf640e
20 Vigesimal 3i7h9a
36 Base36 7gu8e

Cryptographic Hash Functions

md5 24a2bca3ef5054932eaeb64c7e17f38a
sha1 7a6914d5d25af5b3b48a8b2bc1a713ba757a989d
sha256 ef4a553984b841949521b512f6e495b3416c6f70e32deeb0b9027febe9ac9d00
sha512 79bb5c9c7b91657712eb1b4567cab9a2c72e61b5868991620460cb078474e3772207a4f584c961d8443bea778b350710216dfc7687adf470ad58db84554ae488
ripemd-160 9c81ed5422b4e1b12572c2ac0ad5d51f60dadaa8

12542990 as geometric shapes

Circle

Radius = n
Diameter 25085980
Circumference 78809930.4761
Area 4.9425608493121E+14

Sphere

Radius = n
Volume 8.2659321743085E+21
Surface area 1.9770243397248E+15
Circumference 78809930.4761

Square

Length = n
Perimeter 50171960
Area 157326598140100
Diagonal 17738466.57071

Cube

Length = n
Surface area 943959588840600
Volume 1.9733459472053E+21
Space diagonal 21725095.958828

Equilateral Triangle

Length = n
Perimeter 37628970
Area 68124415340156
Altitude 10862547.979414

Triangular Pyramid

Length = n
Surface area 68124415340156
Volume 2.3256105014931E+20
Height 5912822.1902367