181997 (number)

181997 is an odd 6-digits prime number following 181996 and preceding 181998. In scientific notation, it is written as 1.81997 × 10^5. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 181996 positive integers (up to 181997) that are relatively prime to 181997.

Interesting facts

Basic properties

Name

Name one hundred eighty-one thousand nine hundred ninety-seven

Notation

Scientific notation 1.81997 × 10^5
Engineering notation 1.81997 × 10^3

Prime Factorization of 181997

Prime Factorization 181997

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 181997
Product of the distinct prime numbers

The prime factorization of 181997 is 181997. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 181997)

Multiplication

n×y
n×2 363994
n×3 545991
n×4 727988
n×5 909985

Division

n÷y
n÷2 90998.5
n÷3 60665.666666667
n÷3 45499.25
n÷5 36399.4

Exponentiation

ny
n2 33122908009
n3 6028269888913973
n4 1.0971270349727E+21
n5 1.9967382898392E+26

Nth Root

y√n
2√n 426.61106408531
3√n 56.670199702825
4√n 20.654565211723
5√n 11.272307976494

Divisors of 181997

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 181998
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 90999
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 426.61223611144
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999890108683
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 181997 can be divided by 2 positive divisors. The sum of these divisors (counting 181997) is 181998, the average is 90999.

Base conversion 181997

Base System Value
2 Binary 101100011011101101
3 Ternary 100020122122
4 Quaternary 230123231
5 Quinary 21310442
6 Senary 3522325
8 Octal 543355
10 Decimal 181997
12 Duodecimal 893a5
16 Hexadecimal 2c6ed
20 Vigesimal 12ejh
36 Base36 3wfh

Cryptographic Hash Functions

md5 7e7a12bd639c6fad2f82331425ddcaba
sha1 4fb53401aafe175b974ff4862a490de12a5393f6
sha256 47efe9e4690254f3a08170129932a32df9b5e5add4a3bea11455dd32454be160
sha512 ee5b78ea48e779268ce0e2d4f1ed6d251ef533912a5b5919eac5621b728003ee088dd97d3373e015ea55f122f84a03efe4df021a1fb15aad93ecb8e96c0404a4
ripemd-160 cc152b9cad03dfe7b893b463b248ecd096ae36e0

181997 as geometric shapes

Circle

Radius = n
Diameter 363994
Circumference 1143520.8763508
Area 104058684466.6

Sphere

Radius = n
Volume 2.5251157862492E+16
Surface area 416234737866.42
Circumference 1143520.8763508

Square

Length = n
Perimeter 727988
Area 33122908009
Diagonal 257382.62571122

Cube

Length = n
Surface area 198737448054
Volume 6028269888913973
Space diagonal 315228.05082511

Equilateral Triangle

Length = n
Perimeter 545991
Area 14342639891.505
Altitude 157614.02541256

Triangular Pyramid

Length = n
Surface area 14342639891.505
Volume 7.1043841954562E+14
Height 85794.208570405