816561660 (number)

816561660 is an even 9-digits composite number following 816561659 and preceding 816561661. In scientific notation, it is written as 8.16561660 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 217749760 positive integers (up to 816561660) that are relatively prime to 816561660.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.16561660 × 10^8
Engineering notation 8.16561660 × 10^6

Prime Factorization of 816561660

Prime Factorization 2 × 2 × 15 × 13609361

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 408280830
Product of the distinct prime numbers

The prime factorization of 816561660 is 2 × 2 × 15 × 13609361. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 21, 56, 973, 254, 3280, 534, 99125, 27894, 283993, 370824, 3783188, 3026538, 52525105, 9645397, 174955885, 565130824, 5877598392, 4895536141

Basic calculations (n = 816561660)

Multiplication

n×y
n×2 1633123320
n×3 2449684980
n×4 3266246640
n×5 4082808300

Division

n÷y
n÷2 408280830
n÷3 272187220
n÷3 204140415
n÷5 163312332

Exponentiation

ny
n2 666772944581955600
n3 5.4446122247093E+26
n4 4.4458615962649E+35
n5 3.6303201251763E+44

Nth Root

y√n
2√n 28575.543039459
3√n 934.68009683798
4√n 169.04302126814
5√n 60.589559756981

Divisors of 816561660

1, 2, 4, 15, 30, 60, 13609361, 27218722, 54437444, 204140415, 408280830, 816561660

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 -816561659
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 816561660 can be divided by 12 positive divisors. The sum of these divisors (counting 816561660) is 1, the average is 0.083333333333333.

Base conversion 816561660

Base System Value
2 Binary 110000101010111011110111111100
3 Ternary 2002220111122000110
4 Quaternary 300222323313330
5 Quinary 3133014433120
6 Senary 213005430020
8 Octal 6052736774
10 Decimal 816561660
12 Duodecimal 1a956b310
16 Hexadecimal 30abbdfc
20 Vigesimal cf3a430
36 Base36 di5r0c

Cryptographic Hash Functions

md5 de2367dea110ddf6e61dbece3247fcb7
sha1 2b0bccde9ad2d928c7ccc5c3a47107d823b6d54a
sha256 a4d2e1d333688cd3e97c02138a60dfbac6ad7a921df172954f059246d7bab76b
sha512 0c53520b2ad830df025a9b4fbf20c4c232b821665aa32227eb80b273f906a859193cca3b474eb5d7bc7eec42f7c3655a529af55d945c829079e56796ac847162
ripemd-160 06786ca6668b48b1f1e48e6a74a68aa094a6d159

816561660 as geometric shapes

Circle

Radius = n
Diameter 1633123320
Circumference 5130608224.5182
Area 2.0947289843111E+18

Sphere

Radius = n
Volume 2.2806338355723E+27
Surface area 8.3789159372444E+18
Circumference 5130608224.5182

Square

Length = n
Perimeter 3266246640
Area 666772944581955600
Diagonal 1154792574.0859

Cube

Length = n
Surface area 4000637667491733600
Volume 5.4446122247093E+26
Space diagonal 1414326282.6328

Equilateral Triangle

Length = n
Perimeter 2449684980
Area 2.8872115428206E+17
Altitude 707163141.31639

Triangular Pyramid

Length = n
Surface area 2.8872115428206E+17
Volume 6.4165370417052E+25
Height 384930858.02863