81873800 (number)

81873800 is an even 8-digits composite number following 81873799 and preceding 81873801. In scientific notation, it is written as 8.1873800 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors. There are 32749440 positive integers (up to 81873800) that are relatively prime to 81873800.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-three thousand eight hundred

Notation

Scientific notation 8.1873800 × 10^7
Engineering notation 8.1873800 × 10^6

Prime Factorization of 81873800

Prime Factorization 2 × 2 × 2 × 25 × 409369

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20468450
Product of the distinct prime numbers

The prime factorization of 81873800 is 2 × 2 × 2 × 25 × 409369. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81873800)

Multiplication

n×y
n×2 163747600
n×3 245621400
n×4 327495200
n×5 409369000

Division

n÷y
n÷2 40936900
n÷3 27291266.666667
n÷3 20468450
n÷5 16374760

Exponentiation

ny
n2 6703319126440000
n3 5.4882620949432E+23
n4 4.4934487310896E+31
n5 3.6789572271949E+39

Nth Root

y√n
2√n 9048.4142257083
3√n 434.22515870977
4√n 95.123152942427
5√n 38.24978422441

Divisors of 81873800

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 -81873799
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 81873800 can be divided by 16 positive divisors. The sum of these divisors (counting 81873800) is 1, the average is 0.0625.

Base conversion 81873800

Base System Value
2 Binary 100111000010100101110001000
3 Ternary 12201001121201222
4 Quaternary 10320110232020
5 Quinary 131424430200
6 Senary 12042501212
8 Octal 470245610
10 Decimal 81873800
12 Duodecimal 23504808
16 Hexadecimal 4e14b88
20 Vigesimal 15be4a0
36 Base36 1cqu88

Cryptographic Hash Functions

md5 619801b6064cc18c67d462cb0cb4142a
sha1 1e1f632f29f257dd3d89555dda576b17184b87b7
sha256 1682135bc0cb91ef3603385ef9399014803e169610a62a6021a50d73564e2b33
sha512 558190bef1bc6311be650aa46831e00cfbfa486b19686c3c4302729084a1e4ae7f88ac14e6d84ea93fb08775f61fe669031fe00f21ea10b5a5a68fb6577f2ec1
ripemd-160 496110473872602196edaf421bbbda19664ff054

81873800 as geometric shapes

Circle

Radius = n
Diameter 163747600
Circumference 514428257.20296
Area 2.1059098122292E+16

Sphere

Radius = n
Volume 2.2989178504599E+24
Surface area 8.4236392489167E+16
Circumference 514428257.20296

Square

Length = n
Perimeter 327495200
Area 6703319126440000
Diagonal 115787038.36302

Cube

Length = n
Surface area 40219914758640000
Volume 5.4882620949432E+23
Space diagonal 141809581.40873

Equilateral Triangle

Length = n
Perimeter 245621400
Area 2.9026223265856E+15
Altitude 70904790.704366

Triangular Pyramid

Length = n
Surface area 2.9026223265856E+15
Volume 6.4679789071057E+22
Height 38595679.454341