161061855 (number)

161061855 is an odd 9-digits composite number following 161061854 and preceding 161061856. In scientific notation, it is written as 1.61061855 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 85760928 positive integers (up to 161061855) that are relatively prime to 161061855.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61061855 × 10^8
Engineering notation 1.61061855 × 10^6

Prime Factorization of 161061855

Prime Factorization 3 × 5 × 643 × 16699

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161061855
Product of the distinct prime numbers

The prime factorization of 161061855 is 3 × 5 × 643 × 16699. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 3, 86, 764, 77, 206, 1045, 73251, 91784, 605155, 436323, 5467450, 7962010, 45216035, 46839259, 552337028, 178794304, 4920757877, 5766452364

Basic calculations (n = 161061855)

Multiplication

n×y
n×2 322123710
n×3 483185565
n×4 644247420
n×5 805309275

Division

n÷y
n÷2 80530927.5
n÷3 53687285
n÷3 40265463.75
n÷5 32212371

Exponentiation

ny
n2 25940921136041025
n3 4.1780928785795E+24
n4 6.729313893863E+32
n5 1.0838357786228E+41

Nth Root

y√n
2√n 12691.014734843
3√n 544.08184209661
4√n 112.65440397447
5√n 43.792379067125

Divisors of 161061855

1, 3, 5, 15, 643, 1929, 3215, 9645, 16699, 50097, 83495, 250485, 10737457, 32212371, 53687285, 161061855

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 -161061854
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 161061855 can be divided by 16 positive divisors. The sum of these divisors (counting 161061855) is 1, the average is 0.0625.

Base conversion 161061855

Base System Value
2 Binary 1001100110011001101111011111
3 Ternary 102020001210022220
4 Quaternary 21212121233133
5 Quinary 312212434410
6 Senary 23552040423
8 Octal 1146315737
10 Decimal 161061855
12 Duodecimal 45b33113
16 Hexadecimal 9999bdf
20 Vigesimal 2a6cecf
36 Base36 2nw44f

Cryptographic Hash Functions

md5 7987ee57a26f787d35c06e19c62d722a
sha1 09542956c8a8a5fdaa82e163c6f46eab51348619
sha256 c8801268a9e31132d28428ff856e476b038f135f7668e5bf2c66dc35f0196e3d
sha512 c4fb4195c5677027c4e433609289b3e8fad8caed6443280b35670c9f28425f1f24e8ebfc12e4a207d3e47f34067ac82ade30c4f64ee0b584affe1690744653c0
ripemd-160 f0357223726ab650f9decf4cb34244c1016cec2a

161061855 as geometric shapes

Circle

Radius = n
Diameter 322123710
Circumference 1011981480.8831
Area 8.1495807268339E+16

Sphere

Radius = n
Volume 1.7501154524481E+25
Surface area 3.2598322907335E+17
Circumference 1011981480.8831

Square

Length = n
Perimeter 644247420
Area 25940921136041025
Diagonal 227775859.72197

Cube

Length = n
Surface area 155645526816246150
Volume 4.1780928785795E+24
Space diagonal 278967316.02129

Equilateral Triangle

Length = n
Perimeter 483185565
Area 1.123274835069E+16
Altitude 139483658.01065

Triangular Pyramid

Length = n
Surface area 1.123274835069E+16
Volume 4.9239296781179E+23
Height 75925286.57399