12686988 (number)

12686988 is an even 8-digits composite number following 12686987 and preceding 12686989. In scientific notation, it is written as 1.2686988 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors. There are 4228992 positive integers (up to 12686988) that are relatively prime to 12686988.

Interesting facts

Basic properties

Name

Name twelve million six hundred eighty-six thousand nine hundred eighty-eight

Notation

Scientific notation 1.2686988 × 10^7
Engineering notation 1.2686988 × 10^6

Prime Factorization of 12686988

Prime Factorization 2 × 2 × 3 × 1057249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6343494
Product of the distinct prime numbers

The prime factorization of 12686988 is 2 × 2 × 3 × 1057249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 91, 10, 350, 436, 574, 7975, 62091, 62755, 617373, 617059, 3168765, 8650137, 3338744, 38471682, 738987130, 247685729, 9861905319, 3924818872

Basic calculations (n = 12686988)

Multiplication

n×y
n×2 25373976
n×3 38060964
n×4 50747952
n×5 63434940

Division

n÷y
n÷2 6343494
n÷3 4228996
n÷3 3171747
n÷5 2537397.6

Exponentiation

ny
n2 160959664512144
n3 2.0420933321496E+21
n4 2.5908013599862E+28
n5 3.2869465764529E+35

Nth Root

y√n
2√n 3561.8798407582
3√n 233.23094737017
4√n 59.681486583012
5√n 26.343392692982

Divisors of 12686988

1, 2, 3, 4, 6, 12, 1057249, 2114498, 3171747, 4228996, 6343494, 12686988

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 -12686987
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 12686988 can be divided by 12 positive divisors. The sum of these divisors (counting 12686988) is 1, the average is 0.083333333333333.

Base conversion 12686988

Base System Value
2 Binary 110000011001011010001100
3 Ternary 212212120021110
4 Quaternary 300121122030
5 Quinary 11221440423
6 Senary 1131532020
8 Octal 60313214
10 Decimal 12686988
12 Duodecimal 42ba010
16 Hexadecimal c1968c
20 Vigesimal 3j5h98
36 Base36 7jxcc

Cryptographic Hash Functions

md5 c1e560e2006ee8c4c7433847e4d0796c
sha1 f850631be037e3a114f5dd21e5b99974eca284d7
sha256 5dc9325b298787acd550ab531a8605b4e93532ef92721f650e4ec41b391284a1
sha512 2c963e2d8bc2ff1e6af721519d057458633da87a1ca5d8bbb336c4c578a25383e3679b5b1ebb36356803e549b84416984d3f367e4f5ccafe1e28a4e6032ca607
ripemd-160 e526c1dea370b329d982ec04d5fe74798d6a58a5

12686988 as geometric shapes

Circle

Radius = n
Diameter 25373976
Circumference 79714696.593964
Area 5.0566969955563E+14

Sphere

Radius = n
Volume 8.5539005469678E+21
Surface area 2.0226787982225E+15
Circumference 79714696.593964

Square

Length = n
Perimeter 50747952
Area 160959664512144
Diagonal 17942110.495265

Cube

Length = n
Surface area 965757987072864
Volume 2.0420933321496E+21
Space diagonal 21974507.811017

Equilateral Triangle

Length = n
Perimeter 38060964
Area 69697579226069
Altitude 10987253.905508

Triangular Pyramid

Length = n
Surface area 69697579226069
Volume 2.4066300716314E+20
Height 5980703.4984216