20005721 (number)

20005721 is an odd 8-digits prime number following 20005720 and preceding 20005722. In scientific notation, it is written as 2.0005721 × 10^7. The sum of its digits is 17. It has a total of 1 prime factors and 2 positive divisors. There are 20005720 positive integers (up to 20005721) that are relatively prime to 20005721.

Interesting facts

Basic properties

Name

Name twenty million five thousand seven hundred twenty-one

Notation

Scientific notation 2.0005721 × 10^7
Engineering notation 2.0005721 × 10^6

Prime Factorization of 20005721

Prime Factorization 20005721

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20005721
Product of the distinct prime numbers

The prime factorization of 20005721 is 20005721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20005721)

Multiplication

n×y
n×2 40011442
n×3 60017163
n×4 80022884
n×5 100028605

Division

n÷y
n÷2 10002860.5
n÷3 6668573.6666667
n÷3 5001430.25
n÷5 4001144.2

Exponentiation

ny
n2 400228872729841
n3 8.0068671639777E+21
n4 1.601831505666E+29
n5 3.2045794191364E+36

Nth Root

y√n
2√n 4472.7755365097
3√n 271.46764116401
4√n 66.878812313839
5√n 28.855648666532

Divisors of 20005721

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20005722
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10002861
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4472.7756482972
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999000286
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20005721 can be divided by 2 positive divisors. The sum of these divisors (counting 20005721) is 20005722, the average is 10002861.

Base conversion 20005721

Base System Value
2 Binary 1001100010100001101011001
3 Ternary 1101122101200122
4 Quaternary 1030110031121
5 Quinary 20110140341
6 Senary 1552443025
8 Octal 114241531
10 Decimal 20005721
12 Duodecimal 6849475
16 Hexadecimal 1314359
20 Vigesimal 650e61
36 Base36 bwsih

Cryptographic Hash Functions

md5 6e0f79cab07db4ff52ff90d95ac0df0b
sha1 372d732db074db0ddd56254dd2d1f38b66010ba5
sha256 c6fa9bf4050a79085f2fcfd669444c7ff852d80f237ba6691d4e77c737b041e1
sha512 0ba485328a2eab3e789c29ca76f7691474a1674dccf8a030eec37f945f922cb1df9efd8b3e2afc5938718935c8074867e2e6b1b17ccc1cebbbd5a83eb6285d49
ripemd-160 981301a5c0e1185df517c4c4c18b4f28613d0fc2

20005721 as geometric shapes

Circle

Radius = n
Diameter 40011442
Circumference 125699652.24673
Area 1.2573560863226E+15

Sphere

Radius = n
Volume 3.3539086747496E+22
Surface area 5.0294243452904E+15
Circumference 125699652.24673

Square

Length = n
Perimeter 80022884
Area 400228872729841
Diagonal 28292361.963252

Cube

Length = n
Surface area 2401373236379046
Volume 8.0068671639777E+21
Space diagonal 34650925.214048

Equilateral Triangle

Length = n
Perimeter 60017163
Area 1.7330418555603E+14
Altitude 17325462.607024

Triangular Pyramid

Length = n
Surface area 1.7330418555603E+14
Volume 9.4361834461809E+20
Height 9430787.3210841