816561666 (number)

816561666 is an even 9-digits composite number following 816561665 and preceding 816561667. In scientific notation, it is written as 8.16561666 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors. There are 271625400 positive integers (up to 816561666) that are relatively prime to 816561666.

Interesting facts

Basic properties

Name

Name eight hundred sixteen million five hundred sixty-one thousand six hundred sixty-six

Notation

Scientific notation 8.16561666 × 10^8
Engineering notation 8.16561666 × 10^6

Prime Factorization of 816561666

Prime Factorization 2 × 3 × 3 × 487 × 93151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 272187222
Product of the distinct prime numbers

The prime factorization of 816561666 is 2 × 3 × 3 × 487 × 93151. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 816561666)

Multiplication

n×y
n×2 1633123332
n×3 2449684998
n×4 3266246664
n×5 4082808330

Division

n÷y
n÷2 408280833
n÷3 272187222
n÷3 204140416.5
n÷5 163312333.2

Exponentiation

ny
n2 666772954380695556
n3 5.4446123447284E+26
n4 4.4458617269356E+35
n5 3.6303202585522E+44

Nth Root

y√n
2√n 28575.543144444
3√n 934.68009912729
4√n 169.04302157866
5√n 60.589559846022

Divisors of 816561666

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -816561665
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 816561666 can be divided by 24 positive divisors. The sum of these divisors (counting 816561666) is 1, the average is 0.041666666666667.

Base conversion 816561666

Base System Value
2 Binary 110000101010111011111000000010
3 Ternary 2002220111122000200
4 Quaternary 300222323320002
5 Quinary 3133014433131
6 Senary 213005430030
8 Octal 6052737002
10 Decimal 816561666
12 Duodecimal 1a956b316
16 Hexadecimal 30abbe02
20 Vigesimal cf3a436
36 Base36 di5r0i

Cryptographic Hash Functions

md5 1f748f2cdab6eec06219d4c4ffbcf3bb
sha1 b30166db61b86c072dac09011e52b87a88c142bb
sha256 97494e6ce2b7f41317581500679cbc053ad8e11fa1a9b756e911269dee4e28bb
sha512 316a365cb874fe921add92073db9979ca9beaa60d9196a4dfe045466522b1f3a5614fc945a25ebad784b2c20f0f898dcaced54f92a08eef6e689b97157943b25
ripemd-160 e8948a810ed0add6e75ce4a79386f04a3c9fa5ff

816561666 as geometric shapes

Circle

Radius = n
Diameter 1633123332
Circumference 5130608262.2173
Area 2.0947290150948E+18

Sphere

Radius = n
Volume 2.2806338858458E+27
Surface area 8.378916060379E+18
Circumference 5130608262.2173

Square

Length = n
Perimeter 3266246664
Area 666772954380695556
Diagonal 1154792582.5712

Cube

Length = n
Surface area 4000637726284173336
Volume 5.4446123447284E+26
Space diagonal 1414326293.0251

Equilateral Triangle

Length = n
Perimeter 2449684998
Area 2.8872115852504E+17
Altitude 707163146.51254

Triangular Pyramid

Length = n
Surface area 2.8872115852504E+17
Volume 6.4165371831491E+25
Height 384930860.85706