12691887 (number)

12691887 is an odd 8-digits composite number following 12691886 and preceding 12691888. In scientific notation, it is written as 1.2691887 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 7781760 positive integers (up to 12691887) that are relatively prime to 12691887.

Interesting facts

Basic properties

Name

Name twelve million six hundred ninety-one thousand eight hundred eighty-seven

Notation

Scientific notation 1.2691887 × 10^7
Engineering notation 1.2691887 × 10^6

Prime Factorization of 12691887

Prime Factorization 3 × 13 × 421 × 773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12691887
Product of the distinct prime numbers

The prime factorization of 12691887 is 3 × 13 × 421 × 773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 4, 36, 83, 644, 285, 2754, 449, 86661, 47825, 230235, 45660, 178320, 5570402, 42015875, 18598025, 678083140, 922061845, 2347707844, 8615332793

Basic calculations (n = 12691887)

Multiplication

n×y
n×2 25383774
n×3 38075661
n×4 50767548
n×5 63459435

Division

n÷y
n÷2 6345943.5
n÷3 4230629
n÷3 3172971.75
n÷5 2538377.4

Exponentiation

ny
n2 161083995620769
n3 2.0444598699273E+21
n4 2.5948053645152E+28
n5 3.2932976473421E+35

Nth Root

y√n
2√n 3562.5674730452
3√n 233.26096372429
4√n 59.687247155864
5√n 26.345426845639

Divisors of 12691887

1, 3, 13, 39, 421, 773, 1263, 2319, 5473, 10049, 16419, 30147, 325433, 976299, 4230629, 12691887

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12691886
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12691887 can be divided by 16 positive divisors. The sum of these divisors (counting 12691887) is 1, the average is 0.0625.

Base conversion 12691887

Base System Value
2 Binary 110000011010100110101111
3 Ternary 212212210222220
4 Quaternary 300122212233
5 Quinary 11222120022
6 Senary 1132010423
8 Octal 60324657
10 Decimal 12691887
12 Duodecimal 4300a13
16 Hexadecimal c1a9af
20 Vigesimal 3j69e7
36 Base36 7k14f

Cryptographic Hash Functions

md5 aab3dcc38787b55ae2a1ec9eb9f2d728
sha1 0a86ab0aae755c179d3cdce614cc0a9daec29ad3
sha256 67ef64aec06f644aedb7e8b590b957aae96cfdc1122a8c9c0792961fd438deac
sha512 886b80448a8940754b33e54b955506d759df4935f59273fe7ac1b6cfe03ac52e3ed968bacb291e461b89c2f99ef766f8c87a166fc3cbe6d75f855e9790605eb1
ripemd-160 300d9231421dc66d4859f94dd1392a1ba8f0f679

12691887 as geometric shapes

Circle

Radius = n
Diameter 25383774
Circumference 79745477.918784
Area 5.060602972531E+14

Sphere

Radius = n
Volume 8.5638134772303E+21
Surface area 2.0242411890124E+15
Circumference 79745477.918784

Square

Length = n
Perimeter 50767548
Area 161083995620769
Diagonal 17949038.727507

Cube

Length = n
Surface area 966503973724614
Volume 2.0444598699273E+21
Space diagonal 21982993.127923

Equilateral Triangle

Length = n
Perimeter 38075661
Area 69751416175344
Altitude 10991496.563961

Triangular Pyramid

Length = n
Surface area 69751416175344
Volume 2.4094190631489E+20
Height 5983012.9091689