20051721 (number)

20051721 is an odd 8-digits composite number following 20051720 and preceding 20051722. In scientific notation, it is written as 2.0051721 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 12422016 positive integers (up to 20051721) that are relatively prime to 20051721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0051721 × 10^7
Engineering notation 2.0051721 × 10^6

Prime Factorization of 20051721

Prime Factorization 17 × 9 × 83 × 1579

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20051721
Product of the distinct prime numbers

The prime factorization of 20051721 is 17 × 9 × 83 × 1579. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 3, 98, 90, 856, 714, 3167, 6166, 52171, 95833, 772140, 224469, 7551178, 9147674, 77199863, 85103303, 970558742, 705337510, 4571889001, 3013911369

Basic calculations (n = 20051721)

Multiplication

n×y
n×2 40103442
n×3 60155163
n×4 80206884
n×5 100258605

Division

n÷y
n÷2 10025860.5
n÷3 6683907
n÷3 5012930.25
n÷5 4010344.2

Exponentiation

ny
n2 402071515061841
n3 8.0622258420673E+21
n4 1.6166150322412E+29
n5 3.2415913590907E+36

Nth Root

y√n
2√n 4477.9148049064
3√n 271.67554757038
4√n 66.91722352957
5√n 28.868906281175

Divisors of 20051721

1, 9, 17, 83, 153, 747, 1411, 1579, 12699, 14211, 26843, 131057, 241587, 1179513, 2227969, 20051721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20051720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20051721 can be divided by 16 positive divisors. The sum of these divisors (counting 20051721) is 1, the average is 0.0625.

Base conversion 20051721

Base System Value
2 Binary 1001100011111011100001001
3 Ternary 1101201201210100
4 Quaternary 1030133130021
5 Quinary 20113123341
6 Senary 1553440013
8 Octal 114373411
10 Decimal 20051721
12 Duodecimal 6870009
16 Hexadecimal 131f709
20 Vigesimal 656961
36 Base36 bxs09

Cryptographic Hash Functions

md5 b72d002106903f2bd227affd64f32a32
sha1 bc8799b0b799b82140c6358684c6e69ed300088d
sha256 5bc919b52ba4f276aed9a5f7c8460eded5735a4b70d45eba59407de3340991ee
sha512 ed4775069c56f79aa4c7fc56797ba5003397078cb44ad3fa1e18c69d59f09b75056aad01a5e6425c0cbfd26640ceea38bb612f09c0085cc7c7d6ec1abed9ca81
ripemd-160 00543ea02e2d7b6ade12d235c3ee2798c6dc0a35

20051721 as geometric shapes

Circle

Radius = n
Diameter 40103442
Circumference 125988678.77086
Area 1.263144917936E+15

Sphere

Radius = n
Volume 3.3770972636027E+22
Surface area 5.052579671744E+15
Circumference 125988678.77086

Square

Length = n
Perimeter 80206884
Area 402071515061841
Diagonal 28357415.787121

Cube

Length = n
Surface area 2412429090371046
Volume 8.0622258420673E+21
Space diagonal 34730599.551196

Equilateral Triangle

Length = n
Perimeter 60155163
Area 1.7410207309083E+14
Altitude 17365299.775598

Triangular Pyramid

Length = n
Surface area 1.7410207309083E+14
Volume 9.5014242739721E+20
Height 9452471.9290405