20821492 (number)

20821492 is an even 8-digits composite number following 20821491 and preceding 20821493. In scientific notation, it is written as 2.0821492 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 9862776 positive integers (up to 20821492) that are relatively prime to 20821492.

Interesting facts

Basic properties

Name

Name twenty million eight hundred twenty-one thousand four hundred ninety-two

Notation

Scientific notation 2.0821492 × 10^7
Engineering notation 2.0821492 × 10^6

Prime Factorization of 20821492

Prime Factorization 2 × 2 × 19 × 273967

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10410746
Product of the distinct prime numbers

The prime factorization of 20821492 is 2 × 2 × 19 × 273967. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20821492)

Multiplication

n×y
n×2 41642984
n×3 62464476
n×4 83285968
n×5 104107460

Division

n÷y
n÷2 10410746
n÷3 6940497.3333333
n÷3 5205373
n÷5 4164298.4

Exponentiation

ny
n2 433534529106064
n3 9.0268357295057E+21
n4 1.8795218792722E+29
n5 3.913444977309E+36

Nth Root

y√n
2√n 4563.0573084282
3√n 275.10846189945
4√n 67.550405686629
5√n 29.087230286273

Divisors of 20821492

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 -20821491
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 20821492 can be divided by 12 positive divisors. The sum of these divisors (counting 20821492) is 1, the average is 0.083333333333333.

Base conversion 20821492

Base System Value
2 Binary 1001111011011010111110100
3 Ternary 1110011211201101
4 Quaternary 1033123113310
5 Quinary 20312241432
6 Senary 2022135444
8 Octal 117332764
10 Decimal 20821492
12 Duodecimal 6b81584
16 Hexadecimal 13db5f4
20 Vigesimal 6a2dec
36 Base36 ce9ys

Cryptographic Hash Functions

md5 0a5f3ef6a80db337ceff7c4f50884729
sha1 3e370784a7e69924fc9a0a42104e12693d71429f
sha256 1920e882870144427f09ad9debe4d4d192fadde29dfc4f47ec9a6df5cd660124
sha512 90b8b2562d74fdaa711b3639384635afa809e686374fbb81326983bd65ce03da9c92f078b75e216006c08b6454b20784b2e9b9dc8eaf695bed779dba4e2eb501
ripemd-160 78897c68106601e4729d156331a917fac4c39fdc

20821492 as geometric shapes

Circle

Radius = n
Diameter 41642984
Circumference 130825292.60796
Area 1.3619888917171E+15

Sphere

Radius = n
Volume 3.7811521083969E+22
Surface area 5.4479555668685E+15
Circumference 130825292.60796

Square

Length = n
Perimeter 83285968
Area 433534529106064
Diagonal 29446036.375243

Cube

Length = n
Surface area 2601207174636384
Volume 9.0268357295057E+21
Space diagonal 36063882.033389

Equilateral Triangle

Length = n
Perimeter 62464476
Area 1.8772595781179E+14
Altitude 18031941.016694

Triangular Pyramid

Length = n
Surface area 1.8772595781179E+14
Volume 1.0638227928317E+21
Height 9815345.4584143