821000421 (number)

821000421 is an odd 9-digits composite number following 821000420 and preceding 821000422. In scientific notation, it is written as 8.21000421 × 10^8. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 547132320 positive integers (up to 821000421) that are relatively prime to 821000421.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million four hundred twenty-one

Notation

Scientific notation 8.21000421 × 10^8
Engineering notation 8.21000421 × 10^6

Prime Factorization of 821000421

Prime Factorization 9 × 3 × 6521 × 4663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 821000421
Product of the distinct prime numbers

The prime factorization of 821000421 is 9 × 3 × 6521 × 4663. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 821000421)

Multiplication

n×y
n×2 1642000842
n×3 2463001263
n×4 3284001684
n×5 4105002105

Division

n÷y
n÷2 410500210.5
n÷3 273666807
n÷3 205250105.25
n÷5 164200084.2

Exponentiation

ny
n2 674041691282177241
n3 5.5338851231422E+26
n4 4.5433220158654E+35
n5 3.730069287764E+44

Nth Root

y√n
2√n 28653.104910289
3√n 936.37065160998
4√n 169.27228039549
5√n 60.655288950087

Divisors of 821000421

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 -821000420
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 821000421 can be divided by 16 positive divisors. The sum of these divisors (counting 821000421) is 1, the average is 0.0625.

Base conversion 821000421

Base System Value
2 Binary 110000111011110111100011100101
3 Ternary 2010012212010212000
4 Quaternary 300323313203211
5 Quinary 3140134003141
6 Senary 213244515513
8 Octal 6073674345
10 Decimal 821000421
12 Duodecimal 1aab4bb99
16 Hexadecimal 30ef78e5
20 Vigesimal cgb5111
36 Base36 dksvz9

Cryptographic Hash Functions

md5 250c6a0f594f49fc036a003457ae0491
sha1 a834d79e2563d51e9949d34f1135e0df34e0f340
sha256 f9ae81818f45be190375aece54085d5898f173d0a734b1b41f89cee81b16b18d
sha512 950aeb009d170c3d0d0e8b76ed7f605c3f5992e2ab5ffbfa230068cd2a35b3b4b04f2627c996e7222b175c3e8a991d50764ef06cbc04c891bd5bd4724e59e63e
ripemd-160 bb63b21bf10bffcd4a749e685d43ad011d0aade3

821000421 as geometric shapes

Circle

Radius = n
Diameter 1642000842
Circumference 5158497782.4155
Area 2.1175644255453E+18

Sphere

Radius = n
Volume 2.3180283798231E+27
Surface area 8.4702577021813E+18
Circumference 5158497782.4155

Square

Length = n
Perimeter 3284001684
Area 674041691282177241
Diagonal 1161069930.0922

Cube

Length = n
Surface area 4044250147693063446
Volume 5.5338851231422E+26
Space diagonal 1422014442.2074

Equilateral Triangle

Length = n
Perimeter 2463001263
Area 2.918686139301E+17
Altitude 711007221.10372

Triangular Pyramid

Length = n
Surface area 2.918686139301E+17
Volume 6.5217461614687E+25
Height 387023310.03074