161609986 (number)

161609986 is an even 9-digits composite number following 161609985 and preceding 161609987. In scientific notation, it is written as 1.61609986 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 80786388 positive integers (up to 161609986) that are relatively prime to 161609986.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61609986 × 10^8
Engineering notation 1.61609986 × 10^6

Prime Factorization of 161609986

Prime Factorization 2 × 11699 × 6907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161609986
Product of the distinct prime numbers

The prime factorization of 161609986 is 2 × 11699 × 6907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161609986)

Multiplication

n×y
n×2 323219972
n×3 484829958
n×4 646439944
n×5 808049930

Division

n÷y
n÷2 80804993
n÷3 53869995.333333
n÷3 40402496.5
n÷5 32321997.2

Exponentiation

ny
n2 26117787574920196
n3 4.2208952843338E+24
n4 6.8213882780866E+32
n5 1.1024044641221E+41

Nth Root

y√n
2√n 12712.591631921
3√n 544.69835564898
4√n 112.75012918805
5√n 43.822145706368

Divisors of 161609986

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 -161609985
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 161609986 can be divided by 8 positive divisors. The sum of these divisors (counting 161609986) is 1, the average is 0.125.

Base conversion 161609986

Base System Value
2 Binary 1001101000011111100100000010
3 Ternary 102021002122020001
4 Quaternary 21220133210002
5 Quinary 312333004421
6 Senary 24011510214
8 Octal 1150374402
10 Decimal 161609986
12 Duodecimal 4615836a
16 Hexadecimal 9a1f902
20 Vigesimal 2aa14j6
36 Base36 2o7v2a

Cryptographic Hash Functions

md5 e4d1169fe197e21612236fdfd2874c9e
sha1 0178577e2bb369ea36a3e8664b5e14a2e6254499
sha256 f37eeb6c2e7721e51b4384fb6db77169f78c7c6647d43559d52a6460fcef6c50
sha512 fe3970157da63a7138b003c3a361e3521f9f3900e960510b7aef5888ad4ab7d57b88e3f59d07166c89938b0ac11a47b36b889ce11a2a4f60c57ed156fa331725
ripemd-160 8aa3706cfb0418bb24a00f3856c78351fb7c9c7a

161609986 as geometric shapes

Circle

Radius = n
Diameter 323219972
Circumference 1015425489.5287
Area 8.2051449573388E+16

Sphere

Radius = n
Volume 1.7680444822447E+25
Surface area 3.2820579829355E+17
Circumference 1015425489.5287

Square

Length = n
Perimeter 646439944
Area 26117787574920196
Diagonal 228551034.01613

Cube

Length = n
Surface area 156706725449521176
Volume 4.2208952843338E+24
Space diagonal 279916706.76249

Equilateral Triangle

Length = n
Perimeter 484829958
Area 1.1309333765263E+16
Altitude 139958353.38125

Triangular Pyramid

Length = n
Surface area 1.1309333765263E+16
Volume 4.9743727970513E+23
Height 76183678.005375