12981587 (number)

12981587 is an odd 8-digits prime number following 12981586 and preceding 12981588. In scientific notation, it is written as 1.2981587 × 10^7. The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors. There are 12981586 positive integers (up to 12981587) that are relatively prime to 12981587.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-one thousand five hundred eighty-seven

Notation

Scientific notation 1.2981587 × 10^7
Engineering notation 1.2981587 × 10^6

Prime Factorization of 12981587

Prime Factorization 12981587

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 12981587
Product of the distinct prime numbers

The prime factorization of 12981587 is 12981587. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12981587)

Multiplication

n×y
n×2 25963174
n×3 38944761
n×4 51926348
n×5 64907935

Division

n÷y
n÷2 6490793.5
n÷3 4327195.6666667
n÷3 3245396.75
n÷5 2596317.4

Exponentiation

ny
n2 168521601038569
n3 2.1876778252615E+21
n4 2.8399530016603E+28
n5 3.6867096966964E+35

Nth Root

y√n
2√n 3602.9969469873
3√n 235.02240317578
4√n 60.024969362652
5√n 26.46461361509

Divisors of 12981587

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 12981588
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 6490794
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3602.9970857607
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998459356
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981587 can be divided by 2 positive divisors. The sum of these divisors (counting 12981587) is 12981588, the average is 6490794.

Base conversion 12981587

Base System Value
2 Binary 110001100001010101010011
3 Ternary 220102112101112
4 Quaternary 301201111103
5 Quinary 11310402322
6 Senary 1142123535
8 Octal 61412523
10 Decimal 12981587
12 Duodecimal 44205ab
16 Hexadecimal c61553
20 Vigesimal 412dj7
36 Base36 7q8nn

Cryptographic Hash Functions

md5 ffdd47689e24492410d9a09236128ed1
sha1 2473d9ace04ef909cd674aac98fa3bad76b5715d
sha256 e1fbc16a58e6a27c1ead66dec1271bcb81707e7b105e53d4a4e00fa08ed05b65
sha512 008d5fcf77fd4bae743ec884a666abd750f549d6794908662c87131a051236b8a40bf8cf938c092a0034d8b100a239dd6997434fe0c46c4389e09d32a9bfe232
ripemd-160 de9450bff6dc2797b6108ef7bfc154f43e5f4a44

12981587 as geometric shapes

Circle

Radius = n
Diameter 25963174
Circumference 81565716.702274
Area 5.2942622379396E+14

Sphere

Radius = n
Volume 9.1637234456837E+21
Surface area 2.1177048951758E+15
Circumference 81565716.702274

Square

Length = n
Perimeter 51926348
Area 168521601038569
Diagonal 18358736.396526

Cube

Length = n
Surface area 1011129606231414
Volume 2.1876778252615E+21
Space diagonal 22484768.246876

Equilateral Triangle

Length = n
Perimeter 38944761
Area 72971993792913
Altitude 11242384.123438

Triangular Pyramid

Length = n
Surface area 72971993792913
Volume 2.5782030421564E+20
Height 6119578.7988421