20921574 (number)

20921574 is an even 8-digits composite number following 20921573 and preceding 20921575. In scientific notation, it is written as 2.0921574 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6948480 positive integers (up to 20921574) that are relatively prime to 20921574.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921574 × 10^7
Engineering notation 2.0921574 × 10^6

Prime Factorization of 20921574

Prime Factorization 2 × 3 × 281 × 12409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20921574
Product of the distinct prime numbers

The prime factorization of 20921574 is 2 × 3 × 281 × 12409. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921574)

Multiplication

n×y
n×2 41843148
n×3 62764722
n×4 83686296
n×5 104607870

Division

n÷y
n÷2 10460787
n÷3 6973858
n÷3 5230393.5
n÷5 4184314.8

Exponentiation

ny
n2 437712258637476
n3 9.1576294097911E+21
n4 1.9159202136152E+29
n5 4.0084066527246E+36

Nth Root

y√n
2√n 4574.0107127115
3√n 275.54854256008
4√n 67.631432874896
5√n 29.115139210159

Divisors of 20921574

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 -20921573
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 20921574 can be divided by 16 positive divisors. The sum of these divisors (counting 20921574) is 1, the average is 0.0625.

Base conversion 20921574

Base System Value
2 Binary 1001111110011110011100110
3 Ternary 1110100221000010
4 Quaternary 1033303303212
5 Quinary 20323442244
6 Senary 2024231050
8 Octal 117636346
10 Decimal 20921574
12 Duodecimal 700b486
16 Hexadecimal 13f3ce6
20 Vigesimal 6af3ie
36 Base36 cgf6u

Cryptographic Hash Functions

md5 5b84b108d1beedab78bd283855cd6c38
sha1 8983cb0b38fa7eb0e2531da6011743370125eb0f
sha256 da36464ed35889983f56e134618ceb1ed350f7cd3a13b750902e655b392ea262
sha512 76c17474595649ceb2205b4b26fe199f19933ce4169888c15b462bdfb99f9fa2c9e6e91088ddf515715467b5d500cfed55f1554d271c58bb704a763315a404cd
ripemd-160 fb09b014483621e466872955efabd614e1bfbd5b

20921574 as geometric shapes

Circle

Radius = n
Diameter 41843148
Circumference 131454126.35987
Area 1.3751136161217E+15

Sphere

Radius = n
Volume 3.8359388370797E+22
Surface area 5.5004544644868E+15
Circumference 131454126.35987

Square

Length = n
Perimeter 83686296
Area 437712258637476
Diagonal 29587573.696992

Cube

Length = n
Surface area 2626273551824856
Volume 9.1576294097911E+21
Space diagonal 36237229.142312

Equilateral Triangle

Length = n
Perimeter 62764722
Area 1.8953496776396E+14
Altitude 18118614.571156

Triangular Pyramid

Length = n
Surface area 1.8953496776396E+14
Volume 1.0792369758761E+21
Height 9862524.5656641