81937 (number)

81937 is an odd 5-digits prime number following 81936 and preceding 81938. In scientific notation, it is written as 8.1937 × 10^4. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 81936 positive integers (up to 81937) that are relatively prime to 81937.

Interesting facts

Basic properties

Name

Name eighty-one thousand nine hundred thirty-seven

Notation

Scientific notation 8.1937 × 10^4
Engineering notation 8.1937 × 10^3

Prime Factorization of 81937

Prime Factorization 81937

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 81937
Product of the distinct prime numbers

The prime factorization of 81937 is 81937. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 10, 21, 37, 590, 587, 4084, 3186, 55112, 92661, 624118, 994935, 6311290, 868238, 61996461, 4673668, 444079890, 60590759, 7834683512, 3076942924

Basic calculations (n = 81937)

Multiplication

n×y
n×2 163874
n×3 245811
n×4 327748
n×5 409685

Division

n÷y
n÷2 40968.5
n÷3 27312.333333333
n÷3 20484.25
n÷5 16387.4

Exponentiation

ny
n2 6713671969
n3 550098140123953
n4 4.5073391307336E+19
n5 3.6931784635492E+24

Nth Root

y√n
2√n 286.24639735724
3√n 43.433685895977
4√n 16.918817847511
5√n 9.6093942495984

Divisors of 81937

1, 81937

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 81938
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 40969
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 286.24814409879
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999755913007
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81937 can be divided by 2 positive divisors. The sum of these divisors (counting 81937) is 81938, the average is 40969.

Base conversion 81937

Base System Value
2 Binary 10100000000010001
3 Ternary 11011101201
4 Quaternary 110000101
5 Quinary 10110222
6 Senary 1431201
8 Octal 240021
10 Decimal 81937
12 Duodecimal 3b501
16 Hexadecimal 14011
20 Vigesimal a4gh
36 Base36 1r81

Cryptographic Hash Functions

md5 f0e6914c40006f9254f3f964edcf10d0
sha1 7f570bc83ae93fabc4a91f0670dbd8b02bb6b480
sha256 dc6a679b37d8d5f983ce440358e262103ebf33eb54dfff9ff1c3eced9b2604e9
sha512 7b15a89b9314c1f1108316cdba1282e23d0b8fc44af9053f41339f9466c9b1a332d1c7397e9908a3de681ea7e9e32d3b32d68b3275116522646d3183c981311e
ripemd-160 d9de39f0d3f7889773dfa8413746ad2df9b0d1cb

81937 as geometric shapes

Circle

Radius = n
Diameter 163874
Circumference 514825.35451437
Area 21091622536.422

Sphere

Radius = n
Volume 2.3042457010224E+15
Surface area 84366490145.688
Circumference 514825.35451437

Square

Length = n
Perimeter 327748
Area 6713671969
Diagonal 115876.41666016

Cube

Length = n
Surface area 40282031814
Volume 550098140123953
Space diagonal 141919.04701977

Equilateral Triangle

Length = n
Perimeter 245811
Area 2907105238.9147
Altitude 70959.523509886

Triangular Pyramid

Length = n
Surface area 2907105238.9147
Volume 64829687533292
Height 38625.472220055