821042021 (number)

821042021 is an odd 9-digits prime number following 821042020 and preceding 821042022. In scientific notation, it is written as 8.21042021 × 10^8. The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors. There are 821042020 positive integers (up to 821042021) that are relatively prime to 821042021.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million forty-two thousand twenty-one

Notation

Scientific notation 8.21042021 × 10^8
Engineering notation 8.21042021 × 10^6

Prime Factorization of 821042021

Prime Factorization 821042021

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 821042021
Product of the distinct prime numbers

The prime factorization of 821042021 is 821042021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 5, 40, 12, 2, 442, 9230, 4964, 86494, 67595, 933634, 858173, 1596303, 1916882, 73573432, 63658035, 415637405, 373326408, 768305927, 7095806652

Basic calculations (n = 821042021)

Multiplication

n×y
n×2 1642084042
n×3 2463126063
n×4 3284168084
n×5 4105210105

Division

n÷y
n÷2 410521010.5
n÷3 273680673.66667
n÷3 205260505.25
n÷5 164208404.2

Exponentiation

ny
n2 674110000247764441
n3 5.5347263697974E+26
n4 4.5442429243404E+35
n5 3.7310143945154E+44

Nth Root

y√n
2√n 28653.830825912
3√n 936.38646660845
4√n 169.27442460665
5√n 60.655903616977

Divisors of 821042021

1, 821042021

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 821042022
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 410521011
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 28653.830843362
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999975641
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821042021 can be divided by 2 positive divisors. The sum of these divisors (counting 821042021) is 821042022, the average is 410521011.

Base conversion 821042021

Base System Value
2 Binary 110000111100000001101101100101
3 Ternary 2010012221020220202
4 Quaternary 300330001231211
5 Quinary 3140141321041
6 Senary 213245440245
8 Octal 6074015545
10 Decimal 821042021
12 Duodecimal 1aab70085
16 Hexadecimal 30f01b65
20 Vigesimal cgba511
36 Base36 dkts2t

Cryptographic Hash Functions

md5 fea0e0d5edf27a59bad27353752360f1
sha1 150ef9cdba8715b1b3c463d4cd3fcc31eb743200
sha256 9f5a79936f375a20e1d069cd0ba854904b471aba30289098dfcd0a6e4e1a025a
sha512 0a6bb8da5cc1906f730826e237d2a2a0a849d7b63436ed05fd5f63866e58fc2ab83a635e18271adfdca3e07bb6c0cc2c45244d4c8d4776a7fdd46b64afda6541
ripemd-160 abd9a989c666b96b32a2f77106e178166097b898

821042021 as geometric shapes

Circle

Radius = n
Diameter 1642084042
Circumference 5158759162.9242
Area 2.1177790244898E+18

Sphere

Radius = n
Volume 2.318380760398E+27
Surface area 8.4711160979592E+18
Circumference 5158759162.9242

Square

Length = n
Perimeter 3284168084
Area 674110000247764441
Diagonal 1161128761.3764

Cube

Length = n
Surface area 4044660001486586646
Volume 5.5347263697974E+26
Space diagonal 1422086495.521

Equilateral Triangle

Length = n
Perimeter 2463126063
Area 2.9189819257985E+17
Altitude 711043247.76052

Triangular Pyramid

Length = n
Surface area 2.9189819257985E+17
Volume 6.5227375801595E+25
Height 387042920.45881