20160821 (number)

20160821 is an odd 8-digits prime number following 20160820 and preceding 20160822. In scientific notation, it is written as 2.0160821 × 10^7. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 20160820 positive integers (up to 20160821) that are relatively prime to 20160821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0160821 × 10^7
Engineering notation 2.0160821 × 10^6

Prime Factorization of 20160821

Prime Factorization 20160821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20160821
Product of the distinct prime numbers

The prime factorization of 20160821 is 20160821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20160821)

Multiplication

n×y
n×2 40321642
n×3 60482463
n×4 80643284
n×5 100804105

Division

n÷y
n÷2 10080410.5
n÷3 6720273.6666667
n÷3 5040205.25
n÷5 4032164.2

Exponentiation

ny
n2 406458703394041
n3 8.1945411630194E+21
n4 1.6520867756476E+29
n5 3.3307425760299E+36

Nth Root

y√n
2√n 4490.0802888144
3√n 272.167379138
4√n 67.008061371856
5√n 28.900252870053

Divisors of 20160821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20160822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10080411
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4490.080400171
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999007977
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20160821 can be divided by 2 positive divisors. The sum of these divisors (counting 20160821) is 20160822, the average is 10080411.

Base conversion 20160821

Base System Value
2 Binary 1001100111010000100110101
3 Ternary 1101221021110002
4 Quaternary 1030322010311
5 Quinary 20130121241
6 Senary 2000041045
8 Octal 114720465
10 Decimal 20160821
12 Duodecimal 6903185
16 Hexadecimal 133a135
20 Vigesimal 660211
36 Base36 c046t

Cryptographic Hash Functions

md5 be40b6f42f10d0fa5ad3b39a0c80c2a6
sha1 a475224bc7eaf07207f89e259b0d1aa0f624b26f
sha256 e9f04df300c359818a0b814768c90b95065d3defbc44bb5554b9008ad31765f5
sha512 b1bbb8890afcf0b7589d7e3970f8d4ce419a8ab5f1564f2bf0f5ecf35a864a74cae47f720f212c9c33a258f0a67906756d4ccc2ddc5ee79a8dc7fca054026baf
ripemd-160 93ca432d0cf02874a37a66120fd6b0e2bd49eeec

20160821 as geometric shapes

Circle

Radius = n
Diameter 40321642
Circumference 126674174.28788
Area 1.2769276765704E+15

Sphere

Radius = n
Volume 3.4325213756374E+22
Surface area 5.1077107062814E+15
Circumference 126674174.28788

Square

Length = n
Perimeter 80643284
Area 406458703394041
Diagonal 28511706.486776

Cube

Length = n
Surface area 2438752220364246
Volume 8.1945411630194E+21
Space diagonal 34919566.294302

Equilateral Triangle

Length = n
Perimeter 60482463
Area 1.7600178136426E+14
Altitude 17459783.147151

Triangular Pyramid

Length = n
Surface area 1.7600178136426E+14
Volume 9.6573593751388E+20
Height 9503902.1622588