819942021 (number)

819942021 is an odd 9-digits composite number following 819942020 and preceding 819942022. In scientific notation, it is written as 8.19942021 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 14 positive divisors. There are 546627528 positive integers (up to 819942021) that are relatively prime to 819942021.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.19942021 × 10^8
Engineering notation 8.19942021 × 10^6

Prime Factorization of 819942021

Prime Factorization 27 × 9 × 3 × 1124749

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 819942021
Product of the distinct prime numbers

The prime factorization of 819942021 is 27 × 9 × 3 × 1124749. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 100, 26, 481, 624, 4755, 8070, 91849, 12582, 675065, 404325, 7582284, 254204, 26904239, 70765225, 203225730, 717934397, 8861628946, 1698538292

Basic calculations (n = 819942021)

Multiplication

n×y
n×2 1639884042
n×3 2459826063
n×4 3279768084
n×5 4099710105

Division

n÷y
n÷2 409971010.5
n÷3 273314007
n÷3 204985505.25
n÷5 163988404.2

Exponentiation

ny
n2 672304917801564441
n3 5.5125105303045E+26
n4 4.5199390250017E+35
n5 3.7060879389566E+44

Nth Root

y√n
2√n 28634.629751404
3√n 935.96810172359
4√n 169.21769928528
5√n 60.639642018331

Divisors of 819942021

1, 3, 9, 27, 81, 243, 729, 1124749, 3374247, 10122741, 30368223, 91104669, 273314007, 819942021

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -819942020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 819942021 can be divided by 14 positive divisors. The sum of these divisors (counting 819942021) is 1, the average is 0.071428571428571.

Base conversion 819942021

Base System Value
2 Binary 110000110111110101001010000101
3 Ternary 2010010212101000000
4 Quaternary 300313311022011
5 Quinary 3134401121041
6 Senary 213210111513
8 Octal 6067651205
10 Decimal 819942021
12 Duodecimal 1aa71b599
16 Hexadecimal 30df5285
20 Vigesimal cg4cf11
36 Base36 dk67b9

Cryptographic Hash Functions

md5 9ffab4f3c773dca56055625a13963be8
sha1 ccdc1c910b975fac7aa19c1bbb4622733a8b8733
sha256 f0faf0b401b72db92409bdee5ecd77bf029c1f185ced252195ab0332beb8bf21
sha512 918dddaf73a994b9695247fd3cea57a8be6d4e5977b935b49e9cf37fa00300f8340e510c24d7396c7d0288e0f5ee6b044406d245c66dea1ee30d03cbc46a1b05
ripemd-160 e4ca9d589c11ba6a035522d5862a43bba8a1dfd4

819942021 as geometric shapes

Circle

Radius = n
Diameter 1639884042
Circumference 5151847659.0863
Area 2.1121081907377E+18

Sphere

Radius = n
Volume 2.3090750113121E+27
Surface area 8.4484327629507E+18
Circumference 5151847659.0863

Square

Length = n
Perimeter 3279768084
Area 672304917801564441
Diagonal 1159573126.4578

Cube

Length = n
Surface area 4033829506809386646
Volume 5.5125105303045E+26
Space diagonal 1420181239.6327

Equilateral Triangle

Length = n
Perimeter 2459826063
Area 2.9111656895268E+17
Altitude 710090619.81635

Triangular Pyramid

Length = n
Surface area 2.9111656895268E+17
Volume 6.4965559622343E+25
Height 386524375.48594