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.
81873800 has 16 divisors, whose sum is 159654300
The reverse of 81873800 is 00837818
Previous prime number is 25
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million eight hundred seventy-three thousand eight hundred
Scientific notation
8.1873800 × 10^7
Engineering notation
8.1873800 × 10^6
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.
10 , 5 , 9 , 41 , 910 , 357 , 6537 , 3144 , 58398 , 87832 , 508205 , 404443 , 6725786 , 8991755 , 64507715 , 46460473 , 873253374 , 744484613 , 1060677034 , 7856923888
n×2
163747600
n×3
245621400
n×4
327495200
n×5
409369000
n÷2
40936900
n÷3
27291266.666667
n÷3
20468450
n÷5
16374760
n2
6703319126440000
n3
5.4882620949432E+23
n4
4.4934487310896E+31
n5
3.6789572271949E+39
2 √n
9048.4142257083
3 √n
434.22515870977
4 √n
95.123152942427
5 √n
38.24978422441
1 , 2 , 4 , 8 , 25 , 50 , 100 , 200 , 409369 , 818738 , 1637476 , 3274952 , 10234225 , 20468450 , 40936900 , 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
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
md5
619801b6064cc18c67d462cb0cb4142a
sha1
1e1f632f29f257dd3d89555dda576b17184b87b7
sha256
1682135bc0cb91ef3603385ef9399014803e169610a62a6021a50d73564e2b33
sha512
558190bef1bc6311be650aa46831e00cfbfa486b19686c3c4302729084a1e4ae7f88ac14e6d84ea93fb08775f61fe669031fe00f21ea10b5a5a68fb6577f2ec1
ripemd-160
496110473872602196edaf421bbbda19664ff054
Diameter
163747600
Circumference
514428257.20296
Area
2.1059098122292E+16
Volume
2.2989178504599E+24
Surface area
8.4236392489167E+16
Circumference
514428257.20296
Perimeter
327495200
Area
6703319126440000
Diagonal
115787038.36302
Surface area
40219914758640000
Volume
5.4882620949432E+23
Space diagonal
141809581.40873
Perimeter
245621400
Area
2.9026223265856E+15
Altitude
70904790.704366
Surface area
2.9026223265856E+15
Volume
6.4679789071057E+22
Height
38595679.454341