21004785 (number)

21004785 is an odd 8-digits composite number following 21004784 and preceding 21004786. In scientific notation, it is written as 2.1004785 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 10588320 positive integers (up to 21004785) that are relatively prime to 21004785.

Interesting facts

Basic properties

Name

Name twenty-one million four thousand seven hundred eighty-five

Notation

Scientific notation 2.1004785 × 10^7
Engineering notation 2.1004785 × 10^6

Prime Factorization of 21004785

Prime Factorization 15 × 9 × 361 × 431

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21004785
Product of the distinct prime numbers

The prime factorization of 21004785 is 15 × 9 × 361 × 431. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 92, 12, 778, 698, 2359, 1986, 68583, 48145, 457449, 222125, 3817767, 6558631, 81921707, 74254148, 579034697, 28068260, 9998125952, 9292828399

Basic calculations (n = 21004785)

Multiplication

n×y
n×2 42009570
n×3 63014355
n×4 84019140
n×5 105023925

Division

n÷y
n÷2 10502392.5
n÷3 7001595
n÷3 5251196.25
n÷5 4200957

Exponentiation

ny
n2 441200992896225
n3 9.2673319975717E+21
n4 1.9465831613261E+29
n5 4.0887560788276E+36

Nth Root

y√n
2√n 4583.0977515213
3√n 275.91337073276
4√n 67.698580129286
5√n 29.138262276491

Divisors of 21004785

1, 9, 15, 135, 361, 431, 3249, 3879, 5415, 6465, 48735, 58185, 155591, 1400319, 2333865, 21004785

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 -21004784
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 21004785 can be divided by 16 positive divisors. The sum of these divisors (counting 21004785) is 1, the average is 0.0625.

Base conversion 21004785

Base System Value
2 Binary 1010000001000000111110001
3 Ternary 1110112011011000
4 Quaternary 1100020013301
5 Quinary 20334123120
6 Senary 2030112213
8 Octal 120100761
10 Decimal 21004785
12 Duodecimal 704b669
16 Hexadecimal 14081f1
20 Vigesimal 6b5bj5
36 Base36 ci7e9

Cryptographic Hash Functions

md5 86509b41f02681f7be232f44bf4174d8
sha1 001ab39b6e624da9d83c0467a953653806bbd77b
sha256 dbbe67e535a1d50bba4004fc73c16d0a44065518214dc28c3ea13b598c851ebe
sha512 065b16e794d4f08e05fac94deca79b4dee785f2657062daa6cab2705e31168c9231e89435f4c50d4db755dc19e7447366a45649b54c3bd95d11f615e4cd984f5
ripemd-160 7c9524e02c5c734f813c6f7b7da5087dfd1bc947

21004785 as geometric shapes

Circle

Radius = n
Diameter 42009570
Circumference 131976956.49247
Area 1.3860737980393E+15

Sphere

Radius = n
Volume 3.8818909495932E+22
Surface area 5.5442951921572E+15
Circumference 131976956.49247

Square

Length = n
Perimeter 84019140
Area 441200992896225
Diagonal 29705251.821731

Cube

Length = n
Surface area 2647205957377350
Volume 9.2673319975717E+21
Space diagonal 36381354.822061

Equilateral Triangle

Length = n
Perimeter 63014355
Area 1.9104563401152E+14
Altitude 18190677.41103

Triangular Pyramid

Length = n
Surface area 1.9104563401152E+14
Volume 1.0921655498317E+21
Height 9901750.6072437