20111721 (number)

20111721 is an odd 8-digits composite number following 20111720 and preceding 20111722. In scientific notation, it is written as 2.0111721 × 10^7. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 11492400 positive integers (up to 20111721) that are relatively prime to 20111721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0111721 × 10^7
Engineering notation 2.0111721 × 10^6

Prime Factorization of 20111721

Prime Factorization 21 × 957701

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20111721
Product of the distinct prime numbers

The prime factorization of 20111721 is 21 × 957701. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20111721)

Multiplication

n×y
n×2 40223442
n×3 60335163
n×4 80446884
n×5 100558605

Division

n÷y
n÷2 10055860.5
n÷3 6703907
n÷3 5027930.25
n÷5 4022344.2

Exponentiation

ny
n2 404481321581841
n3 8.1348154893653E+21
n4 1.6360513950859E+29
n5 3.2903809199629E+36

Nth Root

y√n
2√n 4484.6093475352
3√n 271.94625253615
4√n 66.967225920858
5√n 28.886162305148

Divisors of 20111721

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 -20111720
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 20111721 can be divided by 4 positive divisors. The sum of these divisors (counting 20111721) is 1, the average is 0.25.

Base conversion 20111721

Base System Value
2 Binary 1001100101110000101101001
3 Ternary 1101211210002120
4 Quaternary 1030232011221
5 Quinary 20122033341
6 Senary 1555021453
8 Octal 114560551
10 Decimal 20111721
12 Duodecimal 689a889
16 Hexadecimal 132e169
20 Vigesimal 65dj61
36 Base36 bz2ax

Cryptographic Hash Functions

md5 544415b4a3308b6ea56b1206f4b60341
sha1 58d2828064c826089f1673a3f3e1ceed8a991730
sha256 caeb57f8403cc2bc8ffffa6bbe26a66174d6a2c405784cd027922fe2460b6973
sha512 f5c0eb63e93a5447d4a572f1ee8ef099b13a037a77a415cf170c000e43e1f20e376e4b277a548d83bd23ebb1711540ed5018114a86a6b7ea828dfd8d0d482e9c
ripemd-160 67a34c2b5dac99c684c82b73c25c1e41a1dd4268

20111721 as geometric shapes

Circle

Radius = n
Diameter 40223442
Circumference 126365669.8893
Area 1.2707155483958E+15

Sphere

Radius = n
Volume 3.4075035439598E+22
Surface area 5.0828621935832E+15
Circumference 126365669.8893

Square

Length = n
Perimeter 80446884
Area 404481321581841
Diagonal 28442268.600864

Cube

Length = n
Surface area 2426887929491046
Volume 8.1348154893653E+21
Space diagonal 34834522.59965

Equilateral Triangle

Length = n
Perimeter 60335163
Area 1.7514554992309E+14
Altitude 17417261.299825

Triangular Pyramid

Length = n
Surface area 1.7514554992309E+14
Volume 9.5869719937192E+20
Height 9480756.2002879