20147821 (number)

20147821 is an odd 8-digits prime number following 20147820 and preceding 20147822. In scientific notation, it is written as 2.0147821 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 20147820 positive integers (up to 20147821) that are relatively prime to 20147821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0147821 × 10^7
Engineering notation 2.0147821 × 10^6

Prime Factorization of 20147821

Prime Factorization 20147821

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20147821
Product of the distinct prime numbers

The prime factorization of 20147821 is 20147821. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20147821)

Multiplication

n×y
n×2 40295642
n×3 60443463
n×4 80591284
n×5 100739105

Division

n÷y
n÷2 10073910.5
n÷3 6715940.3333333
n÷3 5036955.25
n÷5 4029564.2

Exponentiation

ny
n2 405934691048041
n3 8.1786994929262E+21
n4 1.6478297339627E+29
n5 3.3200178518358E+36

Nth Root

y√n
2√n 4488.6324197911
3√n 272.10886735598
4√n 66.997256807955
5√n 28.896524845004

Divisors of 20147821

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20147822
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10073911
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4488.6325311836
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999007337
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20147821 can be divided by 2 positive divisors. The sum of these divisors (counting 20147821) is 20147822, the average is 10073911.

Base conversion 20147821

Base System Value
2 Binary 1001100110110111001101101
3 Ternary 1101220121121121
4 Quaternary 1030312321231
5 Quinary 20124212241
6 Senary 1555500541
8 Octal 114667155
10 Decimal 20147821
12 Duodecimal 68b7751
16 Hexadecimal 1336e6d
20 Vigesimal 65i9b1
36 Base36 bzu5p

Cryptographic Hash Functions

md5 f84de881f0742501d56b01c33357507b
sha1 1563cdc132f37056432417e66d0c8a33c04518db
sha256 5c37a17dbc16a27990469e62a3ddc769414099fb7494d313ac3638b7adc39cb2
sha512 c62548f55e47e5951ab9dbe4ecfcfacc34a793a1954158a2653f44cfce903b7195d0eb3e94b2c3429a97e5e5019e7264e8388b7f51743663a287ae6b2631976c
ripemd-160 46c3e39cc49e2d359a91c960ac7f303ef908daef

20147821 as geometric shapes

Circle

Radius = n
Diameter 40295642
Circumference 126592492.87888
Area 1.2752814432338E+15

Sphere

Radius = n
Volume 3.4258856323861E+22
Surface area 5.1011257729351E+15
Circumference 126592492.87888

Square

Length = n
Perimeter 80591284
Area 405934691048041
Diagonal 28493321.710465

Cube

Length = n
Surface area 2435608146288246
Volume 8.1786994929262E+21
Space diagonal 34897049.633803

Equilateral Triangle

Length = n
Perimeter 60443463
Area 1.757748773625E+14
Altitude 17448524.816902

Triangular Pyramid

Length = n
Surface area 1.757748773625E+14
Volume 9.6386897878919E+20
Height 9497773.9034885