81609830 (number)

81609830 is an even 8-digits composite number following 81609829 and preceding 81609831. In scientific notation, it is written as 8.1609830 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 32507520 positive integers (up to 81609830) that are relatively prime to 81609830.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred nine thousand eight hundred thirty

Notation

Scientific notation 8.1609830 × 10^7
Engineering notation 8.1609830 × 10^6

Prime Factorization of 81609830

Prime Factorization 2 × 5 × 241 × 33863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81609830
Product of the distinct prime numbers

The prime factorization of 81609830 is 2 × 5 × 241 × 33863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 40, 40, 270, 126, 9254, 63, 14383, 95595, 891575, 498336, 3087139, 5282811, 98634770, 58122614, 450106103, 478773926, 2546882107, 2935389018

Basic calculations (n = 81609830)

Multiplication

n×y
n×2 163219660
n×3 244829490
n×4 326439320
n×5 408049150

Division

n÷y
n÷2 40804915
n÷3 27203276.666667
n÷3 20402457.5
n÷5 16321966

Exponentiation

ny
n2 6660164352628900
n3 5.435348805901E+23
n4 4.4357789204029E+31
n5 3.6200316361166E+39

Nth Root

y√n
2√n 9033.8159157689
3√n 433.7579933028
4√n 95.046388231058
5√n 38.22508806507

Divisors of 81609830

1, 2, 5, 10, 241, 482, 1205, 2410, 33863, 67726, 169315, 338630, 8160983, 16321966, 40804915, 81609830

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 -81609829
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 81609830 can be divided by 16 positive divisors. The sum of these divisors (counting 81609830) is 1, the average is 0.0625.

Base conversion 81609830

Base System Value
2 Binary 100110111010100010001100110
3 Ternary 12200120012122022
4 Quaternary 10313110101212
5 Quinary 131343003310
6 Senary 12033103142
8 Octal 467242146
10 Decimal 81609830
12 Duodecimal 233b7ab2
16 Hexadecimal 4dd4466
20 Vigesimal 15a14ba
36 Base36 1cl6jq

Cryptographic Hash Functions

md5 e59e25e60232e163884dea814c59707d
sha1 abcc7f8e4c9b8fd648f08ef6451972aaef6f34c4
sha256 777c8048d018f9a5ef1c9f820f2c1335769aa8ad7d7d6d97d244050e3d9f2a54
sha512 662c47118ef21ff8fd613fad53bc98bd6028042f5b28d9c2969519d50c4f5ea549f6c680ec7112db408ee1469079c5c887f72c9be88f3107d9b29ec8329e156f
ripemd-160 43e4a61e990065643c4dcdc69d14393a4e719590

81609830 as geometric shapes

Circle

Radius = n
Diameter 163219660
Circumference 512769684.77742
Area 2.092352340192E+16

Sphere

Radius = n
Volume 2.2767535837756E+24
Surface area 8.3694093607678E+16
Circumference 512769684.77742

Square

Length = n
Perimeter 326439320
Area 6660164352628900
Diagonal 115413728.40896

Cube

Length = n
Surface area 39960986115773400
Volume 5.435348805901E+23
Space diagonal 141352371.95706

Equilateral Triangle

Length = n
Perimeter 244829490
Area 2.8839357613781E+15
Altitude 70676185.978529

Triangular Pyramid

Length = n
Surface area 2.8839357613781E+15
Volume 6.4056199979447E+22
Height 38471242.802988