12987842 (number)

12987842 is an even 8-digits composite number following 12987841 and preceding 12987843. In scientific notation, it is written as 1.2987842 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 12 positive divisors. There are 5566176 positive integers (up to 12987842) that are relatively prime to 12987842.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand eight hundred forty-two

Notation

Scientific notation 1.2987842 × 10^7
Engineering notation 1.2987842 × 10^6

Prime Factorization of 12987842

Prime Factorization 2 × 7 × 7 × 132529

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1855406
Product of the distinct prime numbers

The prime factorization of 12987842 is 2 × 7 × 7 × 132529. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 29, 100, 632, 886, 5678, 2684, 14997, 70721, 455525, 778258, 6728029, 1874915, 63748297, 11304449, 72799873, 675743323, 530962283, 4900403684

Basic calculations (n = 12987842)

Multiplication

n×y
n×2 25975684
n×3 38963526
n×4 51951368
n×5 64939210

Division

n÷y
n÷2 6493921
n÷3 4329280.6666667
n÷3 3246960.5
n÷5 2597568.4

Exponentiation

ny
n2 168684039816964
n3 2.1908416570644E+21
n4 2.8454305288971E+28
n5 3.6956002131292E+35

Nth Root

y√n
2√n 3603.8648698307
3√n 235.06014455735
4√n 60.032198609002
5√n 26.46716344606

Divisors of 12987842

1, 2, 7, 14, 49, 98, 132529, 265058, 927703, 1855406, 6493921, 12987842

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12987841
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12987842 can be divided by 12 positive divisors. The sum of these divisors (counting 12987842) is 1, the average is 0.083333333333333.

Base conversion 12987842

Base System Value
2 Binary 110001100010110111000010
3 Ternary 220102211222012
4 Quaternary 301202313002
5 Quinary 11311102332
6 Senary 1142212522
8 Octal 61426702
10 Decimal 12987842
12 Duodecimal 4424142
16 Hexadecimal c62dc2
20 Vigesimal 4139c2
36 Base36 7qdhe

Cryptographic Hash Functions

md5 37fc1c9ecff55f6fc74c703f0dc206d6
sha1 f7a9da59746f9f99e8722c8dac77baa601d56c91
sha256 37fcbfbfbb3e4f101ed785d790a07dbcb82adfb7b69d940a3bcf37618f1eb3e7
sha512 4d4a61eeb621e4b85efea755231b659f3d413f68a290590394bf15bb684e14c37ebb275141a046164ed05c1648c9c8f7ded31f043b72ed542aefd69eb08233f4
ripemd-160 e93114a94cddd8c4eac653d888bfdfe6bf91e1d4

12987842 as geometric shapes

Circle

Radius = n
Diameter 25975684
Circumference 81605018.02637
Area 5.2993654026682E+14

Sphere

Radius = n
Volume 9.1769760733495E+21
Surface area 2.1197461610673E+15
Circumference 81605018.02637

Square

Length = n
Perimeter 51951368
Area 168684039816964
Diagonal 18367582.302359

Cube

Length = n
Surface area 1012104238901784
Volume 2.1908416570644E+21
Space diagonal 22495602.224677

Equilateral Triangle

Length = n
Perimeter 38963526
Area 73042331847238
Altitude 11247801.112338

Triangular Pyramid

Length = n
Surface area 73042331847238
Volume 2.5819316536937E+20
Height 6122527.4341196