21000485 (number)

21000485 is an odd 8-digits composite number following 21000484 and preceding 21000486. In scientific notation, it is written as 2.1000485 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors. There are 14515200 positive integers (up to 21000485) that are relatively prime to 21000485.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred eighty-five

Notation

Scientific notation 2.1000485 × 10^7
Engineering notation 2.1000485 × 10^6

Prime Factorization of 21000485

Prime Factorization 5 × 11 × 31 × 113 × 109

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21000485
Product of the distinct prime numbers

The prime factorization of 21000485 is 5 × 11 × 31 × 113 × 109. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 6, 78, 48, 726, 962, 4249, 2766, 25360, 88334, 736915, 544481, 8517090, 2515005, 13573409, 94352541, 94218806, 971746965, 7620472729, 9895644373

Basic calculations (n = 21000485)

Multiplication

n×y
n×2 42000970
n×3 63001455
n×4 84001940
n×5 105002425

Division

n÷y
n÷2 10500242.5
n÷3 7000161.6666667
n÷3 5250121.25
n÷5 4200097

Exponentiation

ny
n2 441020370235225
n3 9.2616416698193E+21
n4 1.9449896696241E+29
n5 4.0845726382097E+36

Nth Root

y√n
2√n 4582.6286124887
3√n 275.89454155545
4√n 67.695115130183
5√n 29.137069169407

Divisors of 21000485

1, 5, 11, 31, 55, 109, 113, 155, 341, 545, 565, 1199, 1243, 1705, 3379, 3503, 5995, 6215, 12317, 16895, 17515, 37169, 38533, 61585, 135487, 185845, 192665, 381827, 677435, 1909135, 4200097, 21000485

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000484
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000485 can be divided by 32 positive divisors. The sum of these divisors (counting 21000485) is 1, the average is 0.03125.

Base conversion 21000485

Base System Value
2 Binary 1010000000111000100100101
3 Ternary 1110111221020202
4 Quaternary 1100013010211
5 Quinary 20334003420
6 Senary 2030040245
8 Octal 120070445
10 Decimal 21000485
12 Duodecimal 7049085
16 Hexadecimal 1407125
20 Vigesimal 6b5145
36 Base36 ci42t

Cryptographic Hash Functions

md5 e4dec4a828f8641d0d1f47ce117877a8
sha1 b5c6abc3f8c57ad181ddc6a428b56ba03ecc4345
sha256 70cc6f15483e04cc666af48df0c4e65a8a04b6b2a941dea70a5e0a088d594425
sha512 b70bc2de9901767e3ad996af0be34795387a0594ab56404afe1444f304205a3976c07285c2a6ad1708f166cc6faa9a65383c479518571488a5c945643cd0f45f
ripemd-160 6d40cfb659ec0fdd8720112c8cd5dc2a5bb46346

21000485 as geometric shapes

Circle

Radius = n
Diameter 42000970
Circumference 131949938.79565
Area 1.3855063552144E+15

Sphere

Radius = n
Volume 3.8795073906781E+22
Surface area 5.5420254208577E+15
Circumference 131949938.79565

Square

Length = n
Perimeter 84001940
Area 441020370235225
Diagonal 29699170.703413

Cube

Length = n
Surface area 2646122221411350
Volume 9.2616416698193E+21
Space diagonal 36373907.003588

Equilateral Triangle

Length = n
Perimeter 63001455
Area 1.9096742210506E+14
Altitude 18186953.501794

Triangular Pyramid

Length = n
Surface area 1.9096742210506E+14
Volume 1.0914949382749E+21
Height 9899723.5678043