20771821 (number)

20771821 is an odd 8-digits composite number following 20771820 and preceding 20771822. In scientific notation, it is written as 2.0771821 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 17804412 positive integers (up to 20771821) that are relatively prime to 20771821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0771821 × 10^7
Engineering notation 2.0771821 × 10^6

Prime Factorization of 20771821

Prime Factorization 7 × 2967403

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20771821
Product of the distinct prime numbers

The prime factorization of 20771821 is 7 × 2967403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20771821)

Multiplication

n×y
n×2 41543642
n×3 62315463
n×4 83087284
n×5 103859105

Division

n÷y
n÷2 10385910.5
n÷3 6923940.3333333
n÷3 5192955.25
n÷5 4154364.2

Exponentiation

ny
n2 431468547656041
n3 8.9623874390413E+21
n4 1.8616510761641E+29
n5 3.8669882918539E+36

Nth Root

y√n
2√n 4557.6113261225
3√n 274.88952477094
4√n 67.510083144094
5√n 29.07333913525

Divisors of 20771821

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20771820
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20771821 can be divided by 4 positive divisors. The sum of these divisors (counting 20771821) is 1, the average is 0.25.

Base conversion 20771821

Base System Value
2 Binary 1001111001111001111101101
3 Ternary 1110002022120201
4 Quaternary 1033033033231
5 Quinary 20304144241
6 Senary 2021113501
8 Octal 117171755
10 Decimal 20771821
12 Duodecimal 6b58891
16 Hexadecimal 13cf3ed
20 Vigesimal 69g9b1
36 Base36 cd7n1

Cryptographic Hash Functions

md5 f6b196ce78c607a9602756c76abfdfb5
sha1 7c97f16de634db728667ab4849ceb5e80b17363e
sha256 7da1a2ed513cd75bc8759c2329e3c48eb98f3654de21d7a4c01e80d70630e7a0
sha512 0d202287201ee8e66be600d04bca481c9123d996eff5776017fc215b64fb6dbadce876bfa28e0d5f5d06d52098badf1daaa1b8de9a4b85c18f884915f0689010
ripemd-160 b5fed817169378299fedec30203cc3625f7465aa

20771821 as geometric shapes

Circle

Radius = n
Diameter 41543642
Circumference 130513200.51056
Area 1.3554984195713E+15

Sphere

Radius = n
Volume 3.7541560716157E+22
Surface area 5.4219936782851E+15
Circumference 130513200.51056

Square

Length = n
Perimeter 83087284
Area 431468547656041
Diagonal 29375790.973386

Cube

Length = n
Surface area 2588811285936246
Volume 8.9623874390413E+21
Space diagonal 35977849.337726

Equilateral Triangle

Length = n
Perimeter 62315463
Area 1.8683136160205E+14
Altitude 17988924.668863

Triangular Pyramid

Length = n
Surface area 1.8683136160205E+14
Volume 1.0562274889612E+21
Height 9791930.3244621