161409265 (number)

161409265 is an odd 9-digits composite number following 161409264 and preceding 161409266. In scientific notation, it is written as 1.61409265 × 10^8. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 128834160 positive integers (up to 161409265) that are relatively prime to 161409265.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61409265 × 10^8
Engineering notation 1.61409265 × 10^6

Prime Factorization of 161409265

Prime Factorization 5 × 443 × 72871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161409265
Product of the distinct prime numbers

The prime factorization of 161409265 is 5 × 443 × 72871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 85, 63, 674, 738, 3768, 4485, 35801, 18173, 35727, 454442, 192468, 283001, 6217353, 14296848, 273064191, 777403049, 2999296971, 7598025224

Basic calculations (n = 161409265)

Multiplication

n×y
n×2 322818530
n×3 484227795
n×4 645637060
n×5 807046325

Division

n÷y
n÷2 80704632.5
n÷3 53803088.333333
n÷3 40352316.25
n÷5 32281853

Exponentiation

ny
n2 26052950827840225
n3 4.2051876442028E+24
n4 6.7875624683786E+32
n5 1.0955754691626E+41

Nth Root

y√n
2√n 12704.694604751
3√n 544.47275553491
4√n 112.71510371175
5√n 43.811254797606

Divisors of 161409265

1, 5, 443, 2215, 72871, 364355, 32281853, 161409265

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 -161409264
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 161409265 can be divided by 8 positive divisors. The sum of these divisors (counting 161409265) is 1, the average is 0.125.

Base conversion 161409265

Base System Value
2 Binary 1001100111101110100011110001
3 Ternary 102020201102212221
4 Quaternary 21213232203301
5 Quinary 312310044030
6 Senary 24003321041
8 Octal 1147564361
10 Decimal 161409265
12 Duodecimal 46080181
16 Hexadecimal 99ee8f1
20 Vigesimal 2a8g335
36 Base36 2o3k6p

Cryptographic Hash Functions

md5 3ba4ed0ddf2638f9c37645925a351ba4
sha1 85719d767ce6d2fbbade221d2e7a032cd4bf477a
sha256 0e828ecb157a90542d58a568a7d53f29ddca26b1277be37f2de9443f6dee5da7
sha512 2826a1a0bfa84af7391e18f31f1137fc3e76074ceee637cdfde4585987aca7952f2cdec830bdf0fab5855f4204a36900f6955116a40fe4c3be607c84354b4297
ripemd-160 50b01fbdd67d0e1c8a1498ce2bcc9043e55bf017

161409265 as geometric shapes

Circle

Radius = n
Diameter 322818530
Circumference 1014164322.2907
Area 8.1847758925079E+16

Sphere

Radius = n
Volume 1.7614648813326E+25
Surface area 3.2739103570032E+17
Circumference 1014164322.2907

Square

Length = n
Perimeter 645637060
Area 26052950827840225
Diagonal 228267171.65567

Cube

Length = n
Surface area 156317704967041350
Volume 4.2051876442028E+24
Space diagonal 279569047.79235

Equilateral Triangle

Length = n
Perimeter 484227795
Area 1.1281258630228E+16
Altitude 139784523.89617

Triangular Pyramid

Length = n
Surface area 1.1281258630228E+16
Volume 4.9558611656295E+23
Height 76089057.218558