12805904 (number)

12805904 is an even 8-digits composite number following 12805903 and preceding 12805905. In scientific notation, it is written as 1.2805904 × 10^7. The sum of its digits is 29. It has a total of 6 prime factors and 20 positive divisors. There are 6325152 positive integers (up to 12805904) that are relatively prime to 12805904.

Interesting facts

Basic properties

Name

Name twelve million eight hundred five thousand nine hundred four

Notation

Scientific notation 1.2805904 × 10^7
Engineering notation 1.2805904 × 10^6

Prime Factorization of 12805904

Prime Factorization 2 × 2 × 2 × 2 × 83 × 9643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1600738
Product of the distinct prime numbers

The prime factorization of 12805904 is 2 × 2 × 2 × 2 × 83 × 9643. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 3, 38, 74, 325, 559, 7188, 9055, 77052, 33296, 922276, 864555, 4684830, 3677030, 14334873, 91295862, 689372467, 76408708, 5214890143, 5066392797

Basic calculations (n = 12805904)

Multiplication

n×y
n×2 25611808
n×3 38417712
n×4 51223616
n×5 64029520

Division

n÷y
n÷2 6402952
n÷3 4268634.6666667
n÷3 3201476
n÷5 2561180.8

Exponentiation

ny
n2 163991177257216
n3 2.1000552728029E+21
n4 2.6893106218208E+28
n5 3.4439053649217E+35

Nth Root

y√n
2√n 3578.5337779599
3√n 233.95737894694
4√n 59.820847352406
5√n 26.392592258514

Divisors of 12805904

1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 9643, 19286, 38572, 77144, 154288, 800369, 1600738, 3201476, 6402952, 12805904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12805903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12805904 can be divided by 20 positive divisors. The sum of these divisors (counting 12805904) is 1, the average is 0.05.

Base conversion 12805904

Base System Value
2 Binary 110000110110011100010000
3 Ternary 220002121101202
4 Quaternary 300312130100
5 Quinary 11234242104
6 Senary 1134250332
8 Octal 60663420
10 Decimal 12805904
12 Duodecimal 43569a8
16 Hexadecimal c36710
20 Vigesimal 400ef4
36 Base36 7mh3k

Cryptographic Hash Functions

md5 81d38e38965a54ea0ed55e54504424b8
sha1 0bc51871d2bca9371144dcf52d8d9109f8d511cb
sha256 f9cfb8c52d2124470937b3de190590c050d2c8ab46112a770d918ffa46883db5
sha512 c5160d7a2e15d7270f36f2d21e280a9e2a6e0c043f431a171d32d8ecd28f46f04a8cfac931dbed521c533263b3f097890a7e0f5b78b3a240b6fc457409207199
ripemd-160 afdeda0f694afa8d7a5aa1c1d2e9050f5be537b9

12805904 as geometric shapes

Circle

Radius = n
Diameter 25611808
Circumference 80461867.857952
Area 5.1519347772481E+14

Sphere

Radius = n
Volume 8.7966909562268E+21
Surface area 2.0607739108992E+15
Circumference 80461867.857952

Square

Length = n
Perimeter 51223616
Area 163991177257216
Diagonal 18110283.115248

Cube

Length = n
Surface area 983947063543296
Volume 2.1000552728029E+21
Space diagonal 22180476.36485

Equilateral Triangle

Length = n
Perimeter 38417712
Area 71010262750633
Altitude 11090238.182425

Triangular Pyramid

Length = n
Surface area 71010262750633
Volume 2.4749388737758E+20
Height 6036761.038416