161036731 (number)

161036731 is an odd 9-digits composite number following 161036730 and preceding 161036732. In scientific notation, it is written as 1.61036731 × 10^8. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 154035112 positive integers (up to 161036731) that are relatively prime to 161036731.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million thirty-six thousand seven hundred thirty-one

Notation

Scientific notation 1.61036731 × 10^8
Engineering notation 1.61036731 × 10^6

Prime Factorization of 161036731

Prime Factorization 23 × 7001597

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161036731
Product of the distinct prime numbers

The prime factorization of 161036731 is 23 × 7001597. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161036731)

Multiplication

n×y
n×2 322073462
n×3 483110193
n×4 644146924
n×5 805183655

Division

n÷y
n÷2 80518365.5
n÷3 53678910.333333
n÷3 40259182.75
n÷5 32207346.2

Exponentiation

ny
n2 25932828731166361
n3 4.1761379644499E+24
n4 6.7251160600001E+32
n5 1.082990705898E+41

Nth Root

y√n
2√n 12690.024862072
3√n 544.05355022694
4√n 112.65001048412
5√n 43.791012749336

Divisors of 161036731

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 -161036730
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 161036731 can be divided by 4 positive divisors. The sum of these divisors (counting 161036731) is 1, the average is 0.25.

Base conversion 161036731

Base System Value
2 Binary 1001100110010011100110111011
3 Ternary 102020000111212101
4 Quaternary 21212103212323
5 Quinary 312211133411
6 Senary 23551324231
8 Octal 1146234673
10 Decimal 161036731
12 Duodecimal 45b20677
16 Hexadecimal 99939bb
20 Vigesimal 2a69bgb
36 Base36 2nvkqj

Cryptographic Hash Functions

md5 80e556378d59069a953ab86eb02d83d4
sha1 9a0e206ff9692c68d547acbfc99bc036f453330d
sha256 bdc403a7e94433cc61e978223f24f3eec72c175c46d21ce74f26097fedbcac2f
sha512 c866df7b45978d927b49a5da72a8ddd58daa88759bd1a102107e239db7e352b5bc0855fc7db1de8b662cab20775132596b95434041446da0b4961f8f2a9a0378
ripemd-160 afb916da4a8b0db947723d889bc4f5ec4fa096e4

161036731 as geometric shapes

Circle

Radius = n
Diameter 322073462
Circumference 1011823622.1354
Area 8.1470384228635E+16

Sphere

Radius = n
Volume 1.7492965799324E+25
Surface area 3.2588153691454E+17
Circumference 1011823622.1354

Square

Length = n
Perimeter 644146924
Area 25932828731166361
Diagonal 227740329.02043

Cube

Length = n
Surface area 155596972386998166
Volume 4.1761379644499E+24
Space diagonal 278923799.9768

Equilateral Triangle

Length = n
Perimeter 483110193
Area 1.1229244236591E+16
Altitude 139461899.9884

Triangular Pyramid

Length = n
Surface area 1.1229244236591E+16
Volume 4.9216257897219E+23
Height 75913443.006809