161009305 (number)

161009305 is an odd 9-digits composite number following 161009304 and preceding 161009306. In scientific notation, it is written as 1.61009305 × 10^8. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 124008192 positive integers (up to 161009305) that are relatively prime to 161009305.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine thousand three hundred five

Notation

Scientific notation 1.61009305 × 10^8
Engineering notation 1.61009305 × 10^6

Prime Factorization of 161009305

Prime Factorization 29 × 5 × 397 × 2797

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161009305
Product of the distinct prime numbers

The prime factorization of 161009305 is 29 × 5 × 397 × 2797. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 57, 34, 26, 180, 563, 9941, 54610, 49289, 211946, 768293, 9876325, 7022357, 74432787, 33915037, 617487006, 427193267, 114565498, 522112587

Basic calculations (n = 161009305)

Multiplication

n×y
n×2 322018610
n×3 483027915
n×4 644037220
n×5 805046525

Division

n÷y
n÷2 80504652.5
n÷3 53669768.333333
n÷3 40252326.25
n÷5 32201861

Exponentiation

ny
n2 25923996296583025
n3 4.1740046265354E+24
n4 6.7205358398525E+32
n5 1.0820688048022E+41

Nth Root

y√n
2√n 12688.944203518
3√n 544.02266273991
4√n 112.64521385091
5√n 43.789521047245

Divisors of 161009305

1, 5, 29, 145, 397, 1985, 2797, 11513, 13985, 57565, 81113, 405565, 1110409, 5552045, 32201861, 161009305

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 -161009304
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 161009305 can be divided by 16 positive divisors. The sum of these divisors (counting 161009305) is 1, the average is 0.0625.

Base conversion 161009305

Base System Value
2 Binary 1001100110001100111010011001
3 Ternary 102012222010020121
4 Quaternary 21212030322121
5 Quinary 312204244210
6 Senary 23550553241
8 Octal 1146147231
10 Decimal 161009305
12 Duodecimal 45b08821
16 Hexadecimal 998ce99
20 Vigesimal 2a66355
36 Base36 2nuzkp

Cryptographic Hash Functions

md5 1aee35ed5ec88f46a464bbd29a9fdfc2
sha1 f7340ecac2e8c801d03156d9b098f89c7cb418f9
sha256 22792a73e9de5668553eeaa2f58c65c4bf60f61a7f10f5f3726dd939a07c9afc
sha512 c57869c4d2f6d2c75fe085d66201cdcc473787ae37eb45f38fdca61581b4ab7b0a3a429c6884f056568ca3e2eea37122adb4ecb15c2fc9ee4f7df597b831c6cb
ripemd-160 7d4249851c71612634170bf59223245a96ec0067

161009305 as geometric shapes

Circle

Radius = n
Diameter 322018610
Circumference 1011651299.4952
Area 8.1442636317034E+16

Sphere

Radius = n
Volume 1.7484029694365E+25
Surface area 3.2577054526814E+17
Circumference 1011651299.4952

Square

Length = n
Perimeter 644037220
Area 25923996296583025
Diagonal 227701542.79927

Cube

Length = n
Surface area 155543977779498150
Volume 4.1740046265354E+24
Space diagonal 278876296.75135

Equilateral Triangle

Length = n
Perimeter 483027915
Area 1.1225419680227E+16
Altitude 139438148.37568

Triangular Pyramid

Length = n
Surface area 1.1225419680227E+16
Volume 4.9191116268787E+23
Height 75900514.266422