81750850 is an even 8-digits composite number following 81750849
and preceding 81750851 . In scientific notation, it is written as 8.1750850 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 32304720 positive integers (up to 81750850) that are relatively prime to 81750850.
81750850 has 16 divisors, whose sum is 129074400
The reverse of 81750850 is 05805718
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million seven hundred fifty thousand eight hundred fifty
Scientific notation
8.1750850 × 10^7
Engineering notation
8.1750850 × 10^6
Prime Factorization
2 × 25 × 83 × 19699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81750850
Product of the distinct prime numbers
The prime factorization of 81750850 is 2 × 25 × 83 × 19699.
Since it has a total of 4 prime factors.
3 , 7 , 73 , 4 , 763 , 520 , 9123 , 3841 , 56047 , 11684 , 439471 , 853537 , 8996416 , 6952133 , 20288910 , 43371476 , 645819298 , 378138778 , 5806221003 , 546690628
n×2
163501700
n×3
245252550
n×4
327003400
n×5
408754250
n÷2
40875425
n÷3
27250283.333333
n÷3
20437712.5
n÷5
16350170
n2
6683201475722500
n3
5.4635740136157E+23
n4
4.4665181965099E+31
n5
3.6514165910515E+39
2 √n
9041.6176649978
3 √n
434.00769097345
4 √n
95.087421171245
5 √n
38.238289366701
1 , 2 , 25 , 50 , 83 , 166 , 2075 , 4150 , 19699 , 39398 , 492475 , 984950 , 1635017 , 3270034 , 40875425 , 81750850
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
-81750849
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 81750850 can be divided by 16 positive divisors.
The sum of these divisors (counting 81750850) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111110110101101000010
3
Ternary
12200211101002021
4
Quaternary
10313312231002
5
Quinary
131412011400
6
Senary
12040112054
8
Octal
467665502
10
Decimal
81750850
12
Duodecimal
2346562a
16
Hexadecimal
4df6b42
20
Vigesimal
15aih2a
36
Base36
1co7cy
md5
d4e64ea8b8f2ef5ca507d265df672dd1
sha1
cc2b01be3a2f0072a34e97d74ed250de9b8c6857
sha256
8f668688b13f32eca195b0c4ceddb81542a6059ed03f96f3618c5c6178d7d9ca
sha512
2455b1b8ea60895914b5610b2c1078bafc8cecfdcfe3551e4f5d26f8270c1913dbc975dd315585e606abe422e9111a4a37eddc2967c599dae42f48b72fa2a3cc
ripemd-160
bbd84202870868923b6d0cd07c95472f624124f7
Diameter
163501700
Circumference
513655739.56944
Area
2.099589665859E+16
Volume
2.2885765311359E+24
Surface area
8.3983586634361E+16
Circumference
513655739.56944
Perimeter
327003400
Area
6683201475722500
Diagonal
115613160.80553
Surface area
40099208854335000
Volume
5.4635740136157E+23
Space diagonal
141596625.76194
Perimeter
245252550
Area
2.8939111282927E+15
Altitude
70798312.880971
Surface area
2.8939111282927E+15
Volume
6.4388837242371E+22
Height
38537720.26851