12542981 (number)

12542981 is an odd 8-digits composite number following 12542980 and preceding 12542982. In scientific notation, it is written as 1.2542981 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 10904520 positive integers (up to 12542981) that are relatively prime to 12542981.

Interesting facts

Basic properties

Name

Name twelve million five hundred forty-two thousand nine hundred eighty-one

Notation

Scientific notation 1.2542981 × 10^7
Engineering notation 1.2542981 × 10^6

Prime Factorization of 12542981

Prime Factorization 253 × 11 × 4507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12542981
Product of the distinct prime numbers

The prime factorization of 12542981 is 253 × 11 × 4507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 9, 46, 8, 373, 497, 2881, 5189, 34684, 2276, 685115, 61630, 4615670, 4984252, 38625867, 61180679, 600435428, 870376612, 8670031094, 422242521

Basic calculations (n = 12542981)

Multiplication

n×y
n×2 25085962
n×3 37628943
n×4 50171924
n×5 62714905

Division

n÷y
n÷2 6271490.5
n÷3 4180993.6666667
n÷3 3135745.25
n÷5 2508596.2

Exponentiation

ny
n2 157326372366361
n3 1.9733416993902E+21
n4 2.4751587441959E+28
n5 3.1045869100433E+35

Nth Root

y√n
2√n 3541.6071210681
3√n 232.34513755583
4√n 59.511403285993
5√n 26.283315778763

Divisors of 12542981

1, 11, 253, 2783, 4507, 49577, 1140271, 12542981

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 -12542980
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 12542981 can be divided by 8 positive divisors. The sum of these divisors (counting 12542981) is 1, the average is 0.125.

Base conversion 12542981

Base System Value
2 Binary 101111110110010000000101
3 Ternary 212121020201212
4 Quaternary 233312100011
5 Quinary 11202333411
6 Senary 1124501205
8 Octal 57662005
10 Decimal 12542981
12 Duodecimal 424a805
16 Hexadecimal bf6405
20 Vigesimal 3i7h91
36 Base36 7gu85

Cryptographic Hash Functions

md5 0ca8b947b54d3730e94c983defe2b648
sha1 1583568537058466f3453750d27de96742663e3f
sha256 cc3aebdc497ac386a3b65683d27e338b187a13436815706bd1e22c7ee23dfa0d
sha512 4c13a35a17e62fbc47cfa444e96ce89c253afd8b8b8550f313d3682b6b07234e0fa7a39aa907a9cd8227c4cffc405ff9e33f4fb7d1377fe6c6365b8b1b622f2b
ripemd-160 0cce189f6135bf2f2745fda065f0c473d8dfa688

12542981 as geometric shapes

Circle

Radius = n
Diameter 25085962
Circumference 78809873.927433
Area 4.9425537564209E+14

Sphere

Radius = n
Volume 8.2659143811022E+21
Surface area 1.9770215025684E+15
Circumference 78809873.927433

Square

Length = n
Perimeter 50171924
Area 157326372366361
Diagonal 17738453.842788

Cube

Length = n
Surface area 943958234198166
Volume 1.9733416993902E+21
Space diagonal 21725080.370371

Equilateral Triangle

Length = n
Perimeter 37628943
Area 68124317577259
Altitude 10862540.185186

Triangular Pyramid

Length = n
Surface area 68124317577259
Volume 2.325605495395E+20
Height 5912817.947596