20921572 (number)

20921572 is an even 8-digits composite number following 20921571 and preceding 20921573. In scientific notation, it is written as 2.0921572 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 8966376 positive integers (up to 20921572) that are relatively prime to 20921572.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921572 × 10^7
Engineering notation 2.0921572 × 10^6

Prime Factorization of 20921572

Prime Factorization 2 × 2 × 7 × 747199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10460786
Product of the distinct prime numbers

The prime factorization of 20921572 is 2 × 2 × 7 × 747199. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 29, 53, 572, 813, 4811, 8505, 35303, 66833, 471161, 483480, 7436051, 6695520, 36698746, 65576551, 262581240, 199370938, 8389644249, 9480189073

Basic calculations (n = 20921572)

Multiplication

n×y
n×2 41843144
n×3 62764716
n×4 83686288
n×5 104607860

Division

n÷y
n÷2 10460786
n÷3 6973857.3333333
n÷3 5230393
n÷5 4184314.4

Exponentiation

ny
n2 437712174951184
n3 9.1576267835178E+21
n4 1.915919481005E+29
n5 4.0084047368048E+36

Nth Root

y√n
2√n 4574.010494085
3√n 275.54853377972
4√n 67.631431258587
5√n 29.115138653506

Divisors of 20921572

1, 2, 4, 7, 14, 28, 747199, 1494398, 2988796, 5230393, 10460786, 20921572

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921571
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921572 can be divided by 12 positive divisors. The sum of these divisors (counting 20921572) is 1, the average is 0.083333333333333.

Base conversion 20921572

Base System Value
2 Binary 1001111110011110011100100
3 Ternary 1110100221000001
4 Quaternary 1033303303210
5 Quinary 20323442242
6 Senary 2024231044
8 Octal 117636344
10 Decimal 20921572
12 Duodecimal 700b484
16 Hexadecimal 13f3ce4
20 Vigesimal 6af3ic
36 Base36 cgf6s

Cryptographic Hash Functions

md5 19d5d401949182f93464a987a2baca50
sha1 11bd5435e79a279fb1c0c856bab9d14f0b728e76
sha256 bcc8b0ca06df0cfcb96a041f4731955b08971015ec4997628e4f291ade200bb1
sha512 beb4696c5cf1eb777cb9bc312959c4a10025ae4cc83baef17960ee4bd32a671e1b9d00a07f0a11aafea5be333890a851a3fe76ea85abaa336cf6835f9232cb97
ripemd-160 9f6e54fd5e53af7fabcbeefb2cb4b98cc2161695

20921572 as geometric shapes

Circle

Radius = n
Diameter 41843144
Circumference 131454113.7935
Area 1.3751133532134E+15

Sphere

Radius = n
Volume 3.8359377369889E+22
Surface area 5.5004534128538E+15
Circumference 131454113.7935

Square

Length = n
Perimeter 83686288
Area 437712174951184
Diagonal 29587570.868565

Cube

Length = n
Surface area 2626273049707104
Volume 9.1576267835178E+21
Space diagonal 36237225.67821

Equilateral Triangle

Length = n
Perimeter 62764716
Area 1.8953493152673E+14
Altitude 18118612.839105

Triangular Pyramid

Length = n
Surface area 1.8953493152673E+14
Volume 1.0792366663668E+21
Height 9862523.6228551