161242009 (number)

161242009 is an odd 9-digits composite number following 161242008 and preceding 161242010. In scientific notation, it is written as 1.61242009 × 10^8. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 160397620 positive integers (up to 161242009) that are relatively prime to 161242009.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61242009 × 10^8
Engineering notation 1.61242009 × 10^6

Prime Factorization of 161242009

Prime Factorization 191 × 844199

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161242009
Product of the distinct prime numbers

The prime factorization of 161242009 is 191 × 844199. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 75, 42, 582, 112, 8501, 2364, 14800, 72843, 803606, 977380, 6971771, 9031854, 5530579, 90058006, 663437017, 484542374, 8719835346, 6454582636

Basic calculations (n = 161242009)

Multiplication

n×y
n×2 322484018
n×3 483726027
n×4 644968036
n×5 806210045

Division

n÷y
n÷2 80621004.5
n÷3 53747336.333333
n÷3 40310502.25
n÷5 32248401.8

Exponentiation

ny
n2 25998985466356081
n3 4.1921286485571E+24
n4 6.7594724527979E+32
n5 1.0899109180693E+41

Nth Root

y√n
2√n 12698.110449984
3√n 544.28462546623
4√n 112.68589286146
5√n 43.802171385482

Divisors of 161242009

1, 191, 844199, 161242009

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 -161242008
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 161242009 can be divided by 4 positive divisors. The sum of these divisors (counting 161242009) is 1, the average is 0.25.

Base conversion 161242009

Base System Value
2 Binary 1001100111000101101110011001
3 Ternary 102020101221110021
4 Quaternary 21213011232121
5 Quinary 312234221014
6 Senary 23555550441
8 Octal 1147055631
10 Decimal 161242009
12 Duodecimal 45bbb421
16 Hexadecimal 99c5b99
20 Vigesimal 2a7f509
36 Base36 2nzz4p

Cryptographic Hash Functions

md5 be6679cfe12110c9fb8a03e5f7539ba0
sha1 6fa3e55d64bc7cfbc63a093a81c770162e129296
sha256 8fae771450ef2dad7d2eb585fd491ce4c1eff34b6a2b0fc0057ee96c2049e296
sha512 85001df0f72943d347c25a858820954206a3589a36f9ed3071ecf24eae1cb81379a5d233d46f28ad42c697895e776156b219dbd026c3c0d3e9f684ab0e5ef148
ripemd-160 11f029ad864259865df7400ae8dc681a979c7380

161242009 as geometric shapes

Circle

Radius = n
Diameter 322484018
Circumference 1013113421.8489
Area 8.1678221741892E+16

Sphere

Radius = n
Volume 1.755994742028E+25
Surface area 3.2671288696757E+17
Circumference 1013113421.8489

Square

Length = n
Perimeter 644968036
Area 25998985466356081
Diagonal 228030635.95208

Cube

Length = n
Surface area 155993912798136486
Volume 4.1921286485571E+24
Space diagonal 279279351.90248

Equilateral Triangle

Length = n
Perimeter 483726027
Area 1.1257890943243E+16
Altitude 139639675.95124

Triangular Pyramid

Length = n
Surface area 1.1257890943243E+16
Volume 4.9404709916685E+23
Height 76010211.984028