20921571 (number)

20921571 is an odd 8-digits composite number following 20921570 and preceding 20921572. In scientific notation, it is written as 2.0921571 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 28 positive divisors. There are 12674880 positive integers (up to 20921571) that are relatively prime to 20921571.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand five hundred seventy-one

Notation

Scientific notation 2.0921571 × 10^7
Engineering notation 2.0921571 × 10^6

Prime Factorization of 20921571

Prime Factorization 9 × 9 × 3 × 3 × 11 × 2609

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 774873
Product of the distinct prime numbers

The prime factorization of 20921571 is 9 × 9 × 3 × 3 × 11 × 2609. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 7, 7, 80, 789, 523, 1326, 4567, 72112, 37155, 929002, 233190, 4355436, 2978552, 87563595, 89656684, 614360385, 86984725, 7254613314, 4907553604

Basic calculations (n = 20921571)

Multiplication

n×y
n×2 41843142
n×3 62764713
n×4 83686284
n×5 104607855

Division

n÷y
n÷2 10460785.5
n÷3 6973857
n÷3 5230392.75
n÷5 4184314.2

Exponentiation

ny
n2 437712133108041
n3 9.1576254703813E+21
n4 1.9159191146999E+29
n5 4.0084037788451E+36

Nth Root

y√n
2√n 4574.0103847718
3√n 275.54852938954
4√n 67.631430450433
5√n 29.11513837518

Divisors of 20921571

1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 729, 891, 2609, 2673, 7827, 8019, 23481, 28699, 70443, 86097, 211329, 258291, 633987, 774873, 1901961, 2324619, 6973857, 20921571

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921570
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921571 can be divided by 28 positive divisors. The sum of these divisors (counting 20921571) is 1, the average is 0.035714285714286.

Base conversion 20921571

Base System Value
2 Binary 1001111110011110011100011
3 Ternary 1110100221000000
4 Quaternary 1033303303203
5 Quinary 20323442241
6 Senary 2024231043
8 Octal 117636343
10 Decimal 20921571
12 Duodecimal 700b483
16 Hexadecimal 13f3ce3
20 Vigesimal 6af3ib
36 Base36 cgf6r

Cryptographic Hash Functions

md5 9f3998553a753909f5cd0e02dc31e142
sha1 ad814b27130f47dfb2d69b91b9041023c2d71d06
sha256 914f96622348e8a355b7c54e8c34e76c2550a7608d5ca8d0b50b890b70d52b83
sha512 21ee975ad7a81b6dc37449eb24e0fca56641268696c9271b6abe5e71c35c12671febdc7f6c3eb494835726b37fa67fb78588b840cd232dd75e5df9ad41b14bbd
ripemd-160 e8e052583130b2ec55d558a583765d18388b2f23

20921571 as geometric shapes

Circle

Radius = n
Diameter 41843142
Circumference 131454107.51031
Area 1.3751132217593E+15

Sphere

Radius = n
Volume 3.8359371869436E+22
Surface area 5.5004528870374E+15
Circumference 131454107.51031

Square

Length = n
Perimeter 83686284
Area 437712133108041
Diagonal 29587569.454352

Cube

Length = n
Surface area 2626272798648246
Volume 9.1576254703813E+21
Space diagonal 36237223.94616

Equilateral Triangle

Length = n
Perimeter 62764713
Area 1.8953491340812E+14
Altitude 18118611.97308

Triangular Pyramid

Length = n
Surface area 1.8953491340812E+14
Volume 1.0792365116122E+21
Height 9862523.1514505