161804690 (number)

161804690 is an even 9-digits composite number following 161804689 and preceding 161804691. In scientific notation, it is written as 1.61804690 × 10^8. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 64721872 positive integers (up to 161804690) that are relatively prime to 161804690.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred four thousand six hundred ninety

Notation

Scientific notation 1.61804690 × 10^8
Engineering notation 1.61804690 × 10^6

Prime Factorization of 161804690

Prime Factorization 2 × 5 × 16180469

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161804690
Product of the distinct prime numbers

The prime factorization of 161804690 is 2 × 5 × 16180469. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161804690)

Multiplication

n×y
n×2 323609380
n×3 485414070
n×4 647218760
n×5 809023450

Division

n÷y
n÷2 80902345
n÷3 53934896.666667
n÷3 40451172.5
n÷5 32360938

Exponentiation

ny
n2 26180757705996100
n3 4.2361693845838E+24
n4 6.8543207406007E+32
n5 1.1090612425935E+41

Nth Root

y√n
2√n 12720.247246025
3√n 544.91701455097
4√n 112.78407354775
5√n 43.832699804426

Divisors of 161804690

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161804689
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161804690 can be divided by 8 positive divisors. The sum of these divisors (counting 161804690) is 1, the average is 0.125.

Base conversion 161804690

Base System Value
2 Binary 1001101001001111000110010010
3 Ternary 102021110112022022
4 Quaternary 21221033012102
5 Quinary 312410222230
6 Senary 24020011442
8 Octal 1151170622
10 Decimal 161804690
12 Duodecimal 46230b82
16 Hexadecimal 9a4f192
20 Vigesimal 2ab5bea
36 Base36 2oc1aq

Cryptographic Hash Functions

md5 ea9c92d042b66bb1832e03661f5055d3
sha1 c55bc5153729975b4a11cef830d549157d9bd822
sha256 86ef5a0d865f2b641aed2bad5243ac78adfdfdf78869bcc6a4c85856e9e4c69d
sha512 7bcd6001a105fd237295536d37aa64e14abc46f647397933161734676f167c952dc13d3deb4c361a2500fe05a394f1028565bc2646b8c819b0512e7c145af91d
ripemd-160 a833eb3322a8bb71ef4c92fef13b98153264d866

161804690 as geometric shapes

Circle

Radius = n
Diameter 323609380
Circumference 1016648850.8407
Area 8.2249276074572E+16

Sphere

Radius = n
Volume 1.7744424823961E+25
Surface area 3.2899710429829E+17
Circumference 1016648850.8407

Square

Length = n
Perimeter 647218760
Area 26180757705996100
Diagonal 228826387.05357

Cube

Length = n
Surface area 157084546235976600
Volume 4.2361693845838E+24
Space diagonal 280253943.98293

Equilateral Triangle

Length = n
Perimeter 485414070
Area 1.1336600631859E+16
Altitude 140126971.99147

Triangular Pyramid

Length = n
Surface area 1.1336600631859E+16
Volume 4.9923734968234E+23
Height 76275462.351191