161085142 (number)

161085142 is an even 9-digits composite number following 161085141 and preceding 161085143. In scientific notation, it is written as 1.61085142 × 10^8. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 80523432 positive integers (up to 161085142) that are relatively prime to 161085142.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eighty-five thousand one hundred forty-two

Notation

Scientific notation 1.61085142 × 10^8
Engineering notation 1.61085142 × 10^6

Prime Factorization of 161085142

Prime Factorization 2 × 6247 × 12893

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161085142
Product of the distinct prime numbers

The prime factorization of 161085142 is 2 × 6247 × 12893. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161085142)

Multiplication

n×y
n×2 322170284
n×3 483255426
n×4 644340568
n×5 805425710

Division

n÷y
n÷2 80542571
n÷3 53695047.333333
n÷3 40271285.5
n÷5 32217028.4

Exponentiation

ny
n2 25948422973160164
n3 4.1799053993076E+24
n4 6.7332065479403E+32
n5 1.0846195328903E+41

Nth Root

y√n
2√n 12691.932161811
3√n 544.10806271286
4√n 112.65847576552
5√n 43.793645331143

Divisors of 161085142

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 -161085141
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 161085142 can be divided by 8 positive divisors. The sum of these divisors (counting 161085142) is 1, the average is 0.125.

Base conversion 161085142

Base System Value
2 Binary 1001100110011111011011010110
3 Ternary 102020002222021101
4 Quaternary 21212133123112
5 Quinary 312214211032
6 Senary 23552340314
8 Octal 1146373326
10 Decimal 161085142
12 Duodecimal 45b4469a
16 Hexadecimal 999f6d6
20 Vigesimal 2a6fch2
36 Base36 2nwm3a

Cryptographic Hash Functions

md5 cb449d20aedf1f73996d7a12c2a3ff98
sha1 070d457fae13e04d5bf4d3e8259457c7a3575c61
sha256 51bb7da65be6d95dbd5683aa7fcee077f32f17630319b1ad303416b0c3ea26c3
sha512 7206b95bde08c867cc4c29c6b7bb574d03a592aebe41f56f62ac5fece6c1aaab97f3ee49b93dcc5b2243a246c53f8614d53eb9a779b9a4baea46d88d10f43e0d
ripemd-160 99454d13eba0f72a92d564b9bf69dfb906c66d77

161085142 as geometric shapes

Circle

Radius = n
Diameter 322170284
Circumference 1012127797.4193
Area 8.1519374984721E+16

Sphere

Radius = n
Volume 1.7508746793553E+25
Surface area 3.2607749993888E+17
Circumference 1012127797.4193

Square

Length = n
Perimeter 644340568
Area 25948422973160164
Diagonal 227808792.5132

Cube

Length = n
Surface area 155690537838960984
Volume 4.1799053993076E+24
Space diagonal 279007650.28845

Equilateral Triangle

Length = n
Perimeter 483255426
Area 1.123599674145E+16
Altitude 139503825.14422

Triangular Pyramid

Length = n
Surface area 1.123599674145E+16
Volume 4.9260657542811E+23
Height 75936264.171065