821440217 (number)

821440217 is an odd 9-digits composite number following 821440216 and preceding 821440218. In scientific notation, it is written as 8.21440217 × 10^8. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 756952560 positive integers (up to 821440217) that are relatively prime to 821440217.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.21440217 × 10^8
Engineering notation 8.21440217 × 10^6

Prime Factorization of 821440217

Prime Factorization 13 × 13 × 631 × 7703

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 63187709
Product of the distinct prime numbers

The prime factorization of 821440217 is 13 × 13 × 631 × 7703. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 85, 10, 905, 235, 4535, 6460, 40202, 45587, 944998, 855943, 5085810, 3769042, 14416591, 99038997, 24845643, 698849781, 6730672347, 7730737874

Basic calculations (n = 821440217)

Multiplication

n×y
n×2 1642880434
n×3 2464320651
n×4 3285760868
n×5 4107201085

Division

n÷y
n÷2 410720108.5
n÷3 273813405.66667
n÷3 205360054.25
n÷5 164288043.4

Exponentiation

ny
n2 674764030105007089
n3 5.5427831131325E+26
n4 4.5530649632355E+35
n5 3.7400706714153E+44

Nth Root

y√n
2√n 28660.778373938
3√n 936.53782105548
4√n 169.29494491549
5√n 60.661785959996

Divisors of 821440217

1, 13, 169, 631, 7703, 8203, 100139, 106639, 1301807, 4860593, 63187709, 821440217

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 -821440216
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 821440217 can be divided by 12 positive divisors. The sum of these divisors (counting 821440217) is 1, the average is 0.083333333333333.

Base conversion 821440217

Base System Value
2 Binary 110000111101100010111011011001
3 Ternary 2010020200111010202
4 Quaternary 300331202323121
5 Quinary 3140242041332
6 Senary 213302151545
8 Octal 6075427331
10 Decimal 821440217
12 Duodecimal 1ab1225b5
16 Hexadecimal 30f62ed9
20 Vigesimal cge00ah
36 Base36 dl2bbt

Cryptographic Hash Functions

md5 a55e68360829352743d255daf3a963d4
sha1 b3da831c60a23e2c96668b294b47a1ddb9025e09
sha256 c33d1d6c7716b8350fb655d025cb82f9bd5f0a5936c4e9eff90438f3e62098f1
sha512 9d1e07b20437fee839cc4c78ae5e5c0799cb60a8d15ed07fba1a16bd89ffc784337b86f63525ef85b2273f3038251010775340b69603a968d8975470f6b6d351
ripemd-160 799cb0e7dc6578d4f525f5863b8ab45ae9d937c7

821440217 as geometric shapes

Circle

Radius = n
Diameter 1642880434
Circumference 5161261102.1808
Area 2.1198337198845E+18

Sphere

Radius = n
Volume 2.3217555611545E+27
Surface area 8.4793348795381E+18
Circumference 5161261102.1808

Square

Length = n
Perimeter 3285760868
Area 674764030105007089
Diagonal 1161691895.5601

Cube

Length = n
Surface area 4048584180630042534
Volume 5.5427831131325E+26
Space diagonal 1422776191.2244

Equilateral Triangle

Length = n
Perimeter 2464320651
Area 2.9218139581545E+17
Altitude 711388095.6122

Triangular Pyramid

Length = n
Surface area 2.9218139581545E+17
Volume 6.5322325432371E+25
Height 387230631.85337