161361238 (number)

161361238 is an even 9-digits composite number following 161361237 and preceding 161361239. In scientific notation, it is written as 1.61361238 × 10^8. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 77032296 positive integers (up to 161361238) that are relatively prime to 161361238.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million three hundred sixty-one thousand two hundred thirty-eight

Notation

Scientific notation 1.61361238 × 10^8
Engineering notation 1.61361238 × 10^6

Prime Factorization of 161361238

Prime Factorization 2 × 23 × 607 × 5779

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161361238
Product of the distinct prime numbers

The prime factorization of 161361238 is 2 × 23 × 607 × 5779. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161361238)

Multiplication

n×y
n×2 322722476
n×3 484083714
n×4 645444952
n×5 806806190

Division

n÷y
n÷2 80680619
n÷3 53787079.333333
n÷3 40340309.5
n÷5 32272247.6

Exponentiation

ny
n2 26037449128892644
n3 4.2014350258001E+24
n4 6.7794875713967E+32
n5 1.0939465075262E+41

Nth Root

y√n
2√n 12702.804336051
3√n 544.41874792259
4√n 112.70671823832
5√n 43.808647297212

Divisors of 161361238

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 -161361237
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 161361238 can be divided by 16 positive divisors. The sum of these divisors (counting 161361238) is 1, the average is 0.0625.

Base conversion 161361238

Base System Value
2 Binary 1001100111100010110101010110
3 Ternary 102020122000000011
4 Quaternary 21213202311112
5 Quinary 312302024423
6 Senary 24002310434
8 Octal 1147426526
10 Decimal 161361238
12 Duodecimal 4605841a
16 Hexadecimal 99e2d56
20 Vigesimal 2a8a31i
36 Base36 2o2j4m

Cryptographic Hash Functions

md5 6b29cbc72d61c0957475fee61c296ce3
sha1 2a7665b996229eea08266c898f70b0c7f1966e8e
sha256 0b9612d980e28ac211ddc02d101b6e2bd197832d90836a493ebae41569b3f409
sha512 b0d1f905646f8b5a342b7111172cebb6ccdb703ce4a6e43829cc09814dcb95c47c56737a025e166a6c52104ac3c87547a451783737a3ccd3152f826358e8cc68
ripemd-160 88f9cf668476c41f773aceac6121780da69c11e3

161361238 as geometric shapes

Circle

Radius = n
Diameter 322722476
Circumference 1013862559.7499
Area 8.1799058901547E+16

Sphere

Radius = n
Volume 1.7598929882118E+25
Surface area 3.2719623560619E+17
Circumference 1013862559.7499

Square

Length = n
Perimeter 645444952
Area 26037449128892644
Diagonal 228199251.22091

Cube

Length = n
Surface area 156224694773355864
Volume 4.2014350258001E+24
Space diagonal 279485862.58821

Equilateral Triangle

Length = n
Perimeter 484083714
Area 1.1274546197683E+16
Altitude 139742931.29411

Triangular Pyramid

Length = n
Surface area 1.1274546197683E+16
Volume 4.9514386624299E+23
Height 76066417.073638