12888905 (number)

12888905 is an odd 8-digits composite number following 12888904 and preceding 12888906. In scientific notation, it is written as 1.2888905 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 9847488 positive integers (up to 12888905) that are relatively prime to 12888905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2888905 × 10^7
Engineering notation 1.2888905 × 10^6

Prime Factorization of 12888905

Prime Factorization 2987 × 5 × 863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12888905
Product of the distinct prime numbers

The prime factorization of 12888905 is 2987 × 5 × 863. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12888905)

Multiplication

n×y
n×2 25777810
n×3 38666715
n×4 51555620
n×5 64444525

Division

n÷y
n÷2 6444452.5
n÷3 4296301.6666667
n÷3 3222226.25
n÷5 2577781

Exponentiation

ny
n2 166123872099025
n3 2.1411548057165E+21
n4 2.7597140881173E+28
n5 3.5569692708906E+35

Nth Root

y√n
2√n 3590.112115241
3√n 234.46175289224
4√n 59.917544302491
5√n 26.426716427945

Divisors of 12888905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12888904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12888905 can be divided by 8 positive divisors. The sum of these divisors (counting 12888905) is 1, the average is 0.125.

Base conversion 12888905

Base System Value
2 Binary 110001001010101101001001
3 Ternary 220020211020212
4 Quaternary 301022231021
5 Quinary 11244421110
6 Senary 1140130505
8 Octal 61125511
10 Decimal 12888905
12 Duodecimal 4396a35
16 Hexadecimal c4ab49
20 Vigesimal 40b255
36 Base36 7o955

Cryptographic Hash Functions

md5 2857dd5895e5ebf33710a8ed50684bab
sha1 ae5b9b9644118435d45adabf8276ee459ec5a057
sha256 ebc6919b98f32d772562abcda109f8ebec854330cb518a36c29838077d78bc80
sha512 468ab8bcd0fb91dd831c938bc9882c929c66eb74594166e837b46f3ab57de9073d480de4fec5c2e4ec473c55a653d0bab663c1cffd2fded9ebbe3ffc1fb1a282
ripemd-160 2f222559986e5dde86a4fb0185df1e27942dd3c3

12888905 as geometric shapes

Circle

Radius = n
Diameter 25777810
Circumference 80983378.521634
Area 5.2189353617219E+14

Sphere

Radius = n
Volume 8.9688482771165E+21
Surface area 2.0875741446887E+15
Circumference 80983378.521634

Square

Length = n
Perimeter 51555620
Area 166123872099025
Diagonal 18227664.255138

Cube

Length = n
Surface area 996743232594150
Volume 2.1411548057165E+21
Space diagonal 22324238.313929

Equilateral Triangle

Length = n
Perimeter 38666715
Area 71933746706396
Altitude 11162119.156964

Triangular Pyramid

Length = n
Surface area 71933746706396
Volume 2.5233751378205E+20
Height 6075888.0850461