161809065 (number)

161809065 is an odd 9-digits composite number following 161809064 and preceding 161809066. In scientific notation, it is written as 1.61809065 × 10^8. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 78450240 positive integers (up to 161809065) that are relatively prime to 161809065.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred nine thousand sixty-five

Notation

Scientific notation 1.61809065 × 10^8
Engineering notation 1.61809065 × 10^6

Prime Factorization of 161809065

Prime Factorization 9 × 5 × 11 × 11 × 29717

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14709915
Product of the distinct prime numbers

The prime factorization of 161809065 is 9 × 5 × 11 × 11 × 29717. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 61, 56, 983, 174, 902, 8692, 26944, 70396, 541341, 823515, 9658367, 8821493, 18408615, 22269637, 691353619, 374841042, 5602781197, 2217967637

Basic calculations (n = 161809065)

Multiplication

n×y
n×2 323618130
n×3 485427195
n×4 647236260
n×5 809045325

Division

n÷y
n÷2 80904532.5
n÷3 53936355
n÷3 40452266.25
n÷5 32361813

Exponentiation

ny
n2 26182173516174225
n3 4.2365130163199E+24
n4 6.8550621003105E+32
n5 1.1092111889682E+41

Nth Root

y√n
2√n 12720.41921479
3√n 544.92192580221
4√n 112.78483592571
5√n 43.832936838331

Divisors of 161809065

1, 5, 9, 11, 45, 55, 99, 121, 495, 605, 1089, 5445, 29717, 148585, 267453, 326887, 1337265, 1634435, 2941983, 3595757, 14709915, 17978785, 32361813, 161809065

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 -161809064
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 161809065 can be divided by 24 positive divisors. The sum of these divisors (counting 161809065) is 1, the average is 0.041666666666667.

Base conversion 161809065

Base System Value
2 Binary 1001101001010000001010101001
3 Ternary 102021110202022100
4 Quaternary 21221100022221
5 Quinary 312410342230
6 Senary 24020044013
8 Octal 1151201251
10 Decimal 161809065
12 Duodecimal 46233609
16 Hexadecimal 9a502a9
20 Vigesimal 2ab62d5
36 Base36 2oc4o9

Cryptographic Hash Functions

md5 d0b4745fcf52c9c09ca59e536a500504
sha1 8d149fed942aff84fabd02ed3ba95bee1c347f86
sha256 c4594084e5aba1d2b5f178d60142dab261cb64f68f51f4f5557666fbc49e1a36
sha512 a138f9113a5475e831bc0c1e1e21cee27008e30d412616996fff522d946c5bc27e7eefd687855d9836b267103a3f56691f8a19f1ef2ea24c6c90a613c1914317
ripemd-160 1ab12d008673960e2c1a7d6fc8c04151a3f4a857

161809065 as geometric shapes

Circle

Radius = n
Diameter 323618130
Circumference 1016676339.7765
Area 8.2253723973426E+16

Sphere

Radius = n
Volume 1.7745864225211E+25
Surface area 3.290148958937E+17
Circumference 1016676339.7765

Square

Length = n
Perimeter 647236260
Area 26182173516174225
Diagonal 228832574.23791

Cube

Length = n
Surface area 157093041097045350
Volume 4.2365130163199E+24
Space diagonal 280261521.70521

Equilateral Triangle

Length = n
Perimeter 485427195
Area 1.133721369565E+16
Altitude 140130760.85261

Triangular Pyramid

Length = n
Surface area 1.133721369565E+16
Volume 4.9927784707081E+23
Height 76277524.74597