12689905 (number)

12689905 is an odd 8-digits composite number following 12689904 and preceding 12689906. In scientific notation, it is written as 1.2689905 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 9137920 positive integers (up to 12689905) that are relatively prime to 12689905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2689905 × 10^7
Engineering notation 1.2689905 × 10^6

Prime Factorization of 12689905

Prime Factorization 17 × 5 × 23 × 6491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12689905
Product of the distinct prime numbers

The prime factorization of 12689905 is 17 × 5 × 23 × 6491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 2, 59, 829, 6, 7213, 6154, 14078, 43974, 977290, 706712, 5747304, 3744072, 77227401, 82160574, 434021034, 18684831, 1042149023, 5068522132

Basic calculations (n = 12689905)

Multiplication

n×y
n×2 25379810
n×3 38069715
n×4 50759620
n×5 63449525

Division

n÷y
n÷2 6344952.5
n÷3 4229968.3333333
n÷3 3172476.25
n÷5 2537981

Exponentiation

ny
n2 161033688909025
n3 2.0435022140551E+21
n4 2.5931848963649E+28
n5 3.2907269982305E+35

Nth Root

y√n
2√n 3562.2892920143
3√n 233.24882086752
4√n 59.6849167882
5√n 26.344603959365

Divisors of 12689905

1, 5, 17, 23, 85, 115, 391, 1955, 6491, 32455, 110347, 149293, 551735, 746465, 2537981, 12689905

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 -12689904
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 12689905 can be divided by 16 positive divisors. The sum of these divisors (counting 12689905) is 1, the average is 0.0625.

Base conversion 12689905

Base System Value
2 Binary 110000011010000111110001
3 Ternary 212212201021111
4 Quaternary 300122013301
5 Quinary 11222034110
6 Senary 1131553321
8 Octal 60320761
10 Decimal 12689905
12 Duodecimal 42bb841
16 Hexadecimal c1a1f1
20 Vigesimal 3j64f5
36 Base36 7jzld

Cryptographic Hash Functions

md5 c16ab1b0da2f253f2cdc72d877330083
sha1 a501a8619e2bd80624d2763b43f3c9bfa4af74cf
sha256 d785920d58abce808c78eb4a76dec3f820da567dcbafd3fc9f5af04a372655b6
sha512 ff98acc4c37db15b2d52f992eaeaee01d17401b5a24a3ec64906a507604f08f0cb10cad86cf924accce98cb283e1b4a0e13675be74678eef4d2cf62acd41c619
ripemd-160 c25beeef808980d6c6fa1274c541efbad3ce7b48

12689905 as geometric shapes

Circle

Radius = n
Diameter 25379810
Circumference 79733024.645505
Area 5.0590225405706E+14

Sphere

Radius = n
Volume 8.5598020576932E+21
Surface area 2.0236090162282E+15
Circumference 79733024.645505

Square

Length = n
Perimeter 50759620
Area 161033688909025
Diagonal 17946235.756226

Cube

Length = n
Surface area 966202133454150
Volume 2.0435022140551E+21
Space diagonal 21979560.203222

Equilateral Triangle

Length = n
Perimeter 38069715
Area 69729632730168
Altitude 10989780.101611

Triangular Pyramid

Length = n
Surface area 69729632730168
Volume 2.4082904548801E+20
Height 5982078.5854087