161009205 (number)

161009205 is an odd 9-digits composite number following 161009204 and preceding 161009206. In scientific notation, it is written as 1.61009205 × 10^8. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 73445376 positive integers (up to 161009205) that are relatively prime to 161009205.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61009205 × 10^8
Engineering notation 1.61009205 × 10^6

Prime Factorization of 161009205

Prime Factorization 15 × 7 × 557 × 2753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161009205
Product of the distinct prime numbers

The prime factorization of 161009205 is 15 × 7 × 557 × 2753. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 72, 3, 866, 152, 3735, 5213, 84161, 68544, 94832, 177793, 6526998, 1752510, 71711149, 90544083, 687550372, 806810692, 6693484834, 9275210366

Basic calculations (n = 161009205)

Multiplication

n×y
n×2 322018410
n×3 483027615
n×4 644036820
n×5 805046025

Division

n÷y
n÷2 80504602.5
n÷3 53669735
n÷3 40252301.25
n÷5 32201841

Exponentiation

ny
n2 25923964094732025
n3 4.1739968493413E+24
n4 6.7205191438496E+32
n5 1.0820654445385E+41

Nth Root

y√n
2√n 12688.940263079
3√n 544.0225501123
4√n 112.64519636043
5√n 43.789515607866

Divisors of 161009205

1, 7, 15, 105, 557, 2753, 3899, 8355, 19271, 41295, 58485, 289065, 1533421, 10733947, 23001315, 161009205

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 -161009204
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 161009205 can be divided by 16 positive divisors. The sum of these divisors (counting 161009205) is 1, the average is 0.0625.

Base conversion 161009205

Base System Value
2 Binary 1001100110001100111000110101
3 Ternary 102012222010002220
4 Quaternary 21212030320311
5 Quinary 312204243310
6 Senary 23550552553
8 Octal 1146147065
10 Decimal 161009205
12 Duodecimal 45b08759
16 Hexadecimal 998ce35
20 Vigesimal 2a66305
36 Base36 2nuzhx

Cryptographic Hash Functions

md5 bb149ffd57632b4080054235b09c63b5
sha1 906d1a75ce24cb801f5aefbde01248fff8115983
sha256 feb9f292ff9bdab4838ad296143895505caac416b0ed22d830c2a9d613096957
sha512 4757e488460fa8c525b462b615e509a4fcdac88387c4dcde3edf38c66ef6441cfa28c743f4cf8e131de5708046bb5a313d2572fce483b005a106685f3ba63363
ripemd-160 cebc62daf147be6ff388dfdbb50c4006b24ecc3b

161009205 as geometric shapes

Circle

Radius = n
Diameter 322018410
Circumference 1011650671.1767
Area 8.1442535151936E+16

Sphere

Radius = n
Volume 1.748399711733E+25
Surface area 3.2577014060774E+17
Circumference 1011650671.1767

Square

Length = n
Perimeter 644036820
Area 25923964094732025
Diagonal 227701401.37791

Cube

Length = n
Surface area 155543784568392150
Volume 4.1739968493413E+24
Space diagonal 278876123.54627

Equilateral Triangle

Length = n
Perimeter 483027615
Area 1.1225405736417E+16
Altitude 139438061.77314

Triangular Pyramid

Length = n
Surface area 1.1225405736417E+16
Volume 4.9191024613676E+23
Height 75900467.12597