20107821 (number)

20107821 is an odd 8-digits composite number following 20107820 and preceding 20107822. In scientific notation, it is written as 2.0107821 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12616640 positive integers (up to 20107821) that are relatively prime to 20107821.

Interesting facts

Basic properties

Name

Name twenty million one hundred seven thousand eight hundred twenty-one

Notation

Scientific notation 2.0107821 × 10^7
Engineering notation 2.0107821 × 10^6

Prime Factorization of 20107821

Prime Factorization 3 × 17 × 394271

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20107821
Product of the distinct prime numbers

The prime factorization of 20107821 is 3 × 17 × 394271. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20107821)

Multiplication

n×y
n×2 40215642
n×3 60323463
n×4 80431284
n×5 100539105

Division

n÷y
n÷2 10053910.5
n÷3 6702607
n÷3 5026955.25
n÷5 4021564.2

Exponentiation

ny
n2 404324465368041
n3 8.1300839755413E+21
n4 1.6347827329515E+29
n5 3.287191856808E+36

Nth Root

y√n
2√n 4484.174505971
3√n 271.9286730867
4√n 66.963979167691
5√n 28.885041915974

Divisors of 20107821

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 -20107820
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 20107821 can be divided by 8 positive divisors. The sum of these divisors (counting 20107821) is 1, the average is 0.125.

Base conversion 20107821

Base System Value
2 Binary 1001100101101001000101101
3 Ternary 1101211120202010
4 Quaternary 1030231020231
5 Quinary 20121422241
6 Senary 1554551433
8 Octal 114551055
10 Decimal 20107821
12 Duodecimal 6898579
16 Hexadecimal 132d22d
20 Vigesimal 65d9b1
36 Base36 byzal

Cryptographic Hash Functions

md5 33f97bb0fb02aca5f2a1106c27af589b
sha1 9f0dd098fabf8ae197a7a669d1ae00ecf79b7a3d
sha256 97012ffc074fb9cc67416d2f1a192aa463c5caedb693e3d31ab40d649a50f282
sha512 385092646ec3e660eeeec60d15c800adc7bae2c76404af4916005aeb07b5c4877a4c2023ff94ff44c95aa5ce8090b8482aa8209927e837d6b6c4218d5115a651
ripemd-160 a523bde35f7d1f52da696063a24a64c0f6d9daf4

20107821 as geometric shapes

Circle

Radius = n
Diameter 40215642
Circumference 126341165.4666
Area 1.2702227700669E+15

Sphere

Radius = n
Volume 3.4055216120838E+22
Surface area 5.0808910802674E+15
Circumference 126341165.4666

Square

Length = n
Perimeter 80431284
Area 404324465368041
Diagonal 28436753.167971

Cube

Length = n
Surface area 2425946792208246
Volume 8.1300839755413E+21
Space diagonal 34827767.6015

Equilateral Triangle

Length = n
Perimeter 60323463
Area 1.7507762919014E+14
Altitude 17413883.80075

Triangular Pyramid

Length = n
Surface area 1.7507762919014E+14
Volume 9.5813958512022E+20
Height 9478917.7226568