12542978 (number)

12542978 is an even 8-digits composite number following 12542977 and preceding 12542979. In scientific notation, it is written as 1.2542978 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 5375556 positive integers (up to 12542978) that are relatively prime to 12542978.

Interesting facts

Basic properties

Name

Name twelve million five hundred forty-two thousand nine hundred seventy-eight

Notation

Scientific notation 1.2542978 × 10^7
Engineering notation 1.2542978 × 10^6

Prime Factorization of 12542978

Prime Factorization 2 × 7 × 895927

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12542978
Product of the distinct prime numbers

The prime factorization of 12542978 is 2 × 7 × 895927. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12542978)

Multiplication

n×y
n×2 25085956
n×3 37628934
n×4 50171912
n×5 62714890

Division

n÷y
n÷2 6271489
n÷3 4180992.6666667
n÷3 3135744.5
n÷5 2508595.6

Exponentiation

ny
n2 157326297108484
n3 1.9733402834532E+21
n4 2.4751563761867E+28
n5 3.1045831973069E+35

Nth Root

y√n
2√n 3541.6066975315
3√n 232.34511903191
4√n 59.511399727544
5√n 26.283314521487

Divisors of 12542978

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 -12542977
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 12542978 can be divided by 8 positive divisors. The sum of these divisors (counting 12542978) is 1, the average is 0.125.

Base conversion 12542978

Base System Value
2 Binary 101111110110010000000010
3 Ternary 212121020201202
4 Quaternary 233312100002
5 Quinary 11202333403
6 Senary 1124501202
8 Octal 57662002
10 Decimal 12542978
12 Duodecimal 424a802
16 Hexadecimal bf6402
20 Vigesimal 3i7h8i
36 Base36 7gu82

Cryptographic Hash Functions

md5 ad58b60527b76803a8a4a2bca666e336
sha1 c055281e695d25fed446cdd39ba4b2fb0f8e19af
sha256 32fb8f6b8190f2d17a8881c408d44faf6422ff2031d7f3ea3d4cd591f7b63580
sha512 e346a4e7d091df9b9a7f01ba33478a19cd9ca018414bdb8d1c42aa0acda372b66165f49b5d84ba3664f9d2156cf9a326a16f3cf653eabea56f8071f6b88a526e
ripemd-160 2822eacecfb9a15fcac7b256d0cebbfdc22379e9

12542978 as geometric shapes

Circle

Radius = n
Diameter 25085956
Circumference 78809855.077877
Area 4.942551392125E+14

Sphere

Radius = n
Volume 8.2659084500391E+21
Surface area 1.97702055685E+15
Circumference 78809855.077877

Square

Length = n
Perimeter 50171912
Area 157326297108484
Diagonal 17738449.600147

Cube

Length = n
Surface area 943957782650904
Volume 1.9733402834532E+21
Space diagonal 21725075.174219

Equilateral Triangle

Length = n
Perimeter 37628934
Area 68124284989643
Altitude 10862537.587109

Triangular Pyramid

Length = n
Surface area 68124284989643
Volume 2.3256038266972E+20
Height 5912816.5333825