161009685 (number)

161009685 is an odd 9-digits composite number following 161009684 and preceding 161009686. In scientific notation, it is written as 1.61009685 × 10^8. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 85726080 positive integers (up to 161009685) that are relatively prime to 161009685.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine thousand six hundred eighty-five

Notation

Scientific notation 1.61009685 × 10^8
Engineering notation 1.61009685 × 10^6

Prime Factorization of 161009685

Prime Factorization 5 × 3 × 3 × 661 × 5413

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 53669895
Product of the distinct prime numbers

The prime factorization of 161009685 is 5 × 3 × 3 × 661 × 5413. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 9, 69, 83, 816, 651, 6191, 4729, 55127, 7098, 569698, 317544, 851506, 5165962, 18640205, 83382461, 266821989, 713535433, 4315565941, 2808576506

Basic calculations (n = 161009685)

Multiplication

n×y
n×2 322019370
n×3 483029055
n×4 644038740
n×5 805048425

Division

n÷y
n÷2 80504842.5
n÷3 53669895
n÷3 40252421.25
n÷5 32201937

Exponentiation

ny
n2 25924118663799225
n3 4.1740341799609E+24
n4 6.7205992849474E+32
n5 1.0820815738806E+41

Nth Root

y√n
2√n 12688.959177174
3√n 544.02309072439
4√n 112.64528031469
5√n 43.789541716861

Divisors of 161009685

1, 3, 5, 9, 15, 45, 661, 1983, 3305, 5413, 5949, 9915, 16239, 27065, 29745, 48717, 81195, 243585, 3577993, 10733979, 17889965, 32201937, 53669895, 161009685

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 -161009684
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 161009685 can be divided by 24 positive divisors. The sum of these divisors (counting 161009685) is 1, the average is 0.041666666666667.

Base conversion 161009685

Base System Value
2 Binary 1001100110001101000000010101
3 Ternary 102012222010202200
4 Quaternary 21212031000111
5 Quinary 312204302220
6 Senary 23550555113
8 Octal 1146150025
10 Decimal 161009685
12 Duodecimal 45b08a99
16 Hexadecimal 998d015
20 Vigesimal 2a66445
36 Base36 2nuzv9

Cryptographic Hash Functions

md5 f25b1a76032b944b64ef2c37b63b35e2
sha1 d813ad583f3971098afd5e5160a679a4851393ce
sha256 8212ce0f436637616f833e1bd1eed5ace9c96f7d2bcb48472695c647341c60c5
sha512 f4e2a07a77e35a63495204afc46f55f48cb27b4392621523a7aa8d22aedf90067b6bae836f2d89ce424e052a055c6e71547186df9a947233f68925fb476cd593
ripemd-160 28dd2c6305a8b9b2f76a57e04a3c6c9e81dfd211

161009685 as geometric shapes

Circle

Radius = n
Diameter 322019370
Circumference 1011653687.1056
Area 8.1443020744982E+16

Sphere

Radius = n
Volume 1.7484153487464E+25
Surface area 3.2577208297993E+17
Circumference 1011653687.1056

Square

Length = n
Perimeter 644038740
Area 25924118663799225
Diagonal 227702080.20042

Cube

Length = n
Surface area 155544711982795350
Volume 4.1740341799609E+24
Space diagonal 278876954.93066

Equilateral Triangle

Length = n
Perimeter 483029055
Area 1.1225472666786E+16
Altitude 139438477.46533

Triangular Pyramid

Length = n
Surface area 1.1225472666786E+16
Volume 4.9191464559247E+23
Height 75900693.40014