161609949 (number)

161609949 is an odd 9-digits composite number following 161609948 and preceding 161609950. In scientific notation, it is written as 1.61609949 × 10^8. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 107739960 positive integers (up to 161609949) that are relatively prime to 161609949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61609949 × 10^8
Engineering notation 1.61609949 × 10^6

Prime Factorization of 161609949

Prime Factorization 9 × 17956661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161609949
Product of the distinct prime numbers

The prime factorization of 161609949 is 9 × 17956661. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161609949)

Multiplication

n×y
n×2 323219898
n×3 484829847
n×4 646439796
n×5 808049745

Division

n÷y
n÷2 80804974.5
n÷3 53869983
n÷3 40402487.25
n÷5 32321989.8

Exponentiation

ny
n2 26117775615782601
n3 4.2208923852601E+24
n4 6.8213820311637E+32
n5 1.1024032021659E+41

Nth Root

y√n
2√n 12712.590176671
3√n 544.6983140801
4√n 112.75012273462
5√n 43.822143699785

Divisors of 161609949

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161609948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161609949 can be divided by 4 positive divisors. The sum of these divisors (counting 161609949) is 1, the average is 0.25.

Base conversion 161609949

Base System Value
2 Binary 1001101000011111100011011101
3 Ternary 102021002122011200
4 Quaternary 21220133203131
5 Quinary 312333004244
6 Senary 24011510113
8 Octal 1150374335
10 Decimal 161609949
12 Duodecimal 46158339
16 Hexadecimal 9a1f8dd
20 Vigesimal 2aa14h9
36 Base36 2o7v19

Cryptographic Hash Functions

md5 bbb182fc540da8df144a9727284e5003
sha1 0d931cbff167ae0b776d4ec9b9bdd749dbf10061
sha256 400f7f4be7225bb5ed71dfed3999323e69b09a884b6e913e17189f849dfde018
sha512 fd9c206316ca990441f54af4c4ca55826989a7b9fba0911cded02cb1cac6e7155b47a2665b169d0f563c6421a65f343f4396e6653c21265fe3eb341c9501a872
ripemd-160 95cc6b9c58ec2ca24f8b1446131ffd13f36f3d3a

161609949 as geometric shapes

Circle

Radius = n
Diameter 323219898
Circumference 1015425257.0508
Area 8.2051412002649E+16

Sphere

Radius = n
Volume 1.7680432678835E+25
Surface area 3.282056480106E+17
Circumference 1015425257.0508

Square

Length = n
Perimeter 646439796
Area 26117775615782601
Diagonal 228550981.69022

Cube

Length = n
Surface area 156706653694695606
Volume 4.2208923852601E+24
Space diagonal 279916642.67662

Equilateral Triangle

Length = n
Perimeter 484829847
Area 1.1309328586805E+16
Altitude 139958321.33831

Triangular Pyramid

Length = n
Surface area 1.1309328586805E+16
Volume 4.9743693804601E+23
Height 76183660.563408