81836698 is an even 8-digits composite number following 81836697
and preceding 81836699 . In scientific notation, it is written as 8.1836698 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 40918348 positive integers (up to 81836698) that are relatively prime to 81836698.
81836698 has 4 divisors, whose sum is 122755050
The reverse of 81836698 is 89663818
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-one million eight hundred thirty-six thousand six hundred ninety-eight
Scientific notation
8.1836698 × 10^7
Engineering notation
8.1836698 × 10^6
Prime Factorization
2 × 40918349
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81836698
Product of the distinct prime numbers
The prime factorization of 81836698 is 2 × 40918349.
Since it has a total of 2 prime factors.
4 , 7 , 21 , 17 , 946 , 462 , 8687 , 937 , 41900 , 23597 , 487151 , 683503 , 2543134 , 8283097 , 68872129 , 97870197 , 40826396 , 743617364 , 5799838145 , 3910803766
n×2
163673396
n×3
245510094
n×4
327346792
n×5
409183490
n÷2
40918349
n÷3
27278899.333333
n÷3
20459174.5
n÷5
16367339.6
n2
6697245139543204
n3
5.4808042791677E+23
n4
4.4853092459135E+31
n5
3.6706289819443E+39
2 √n
9046.3637998922
3 √n
434.15955752022
4 √n
95.112374588653
5 √n
38.246316934986
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81836697
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81836698 can be divided by 4 positive divisors.
The sum of these divisors (counting 81836698) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000001011101010011010
3
Ternary
12200222201211211
4
Quaternary
10320023222122
5
Quinary
131422233243
6
Senary
12042013334
8
Octal
470135232
10
Decimal
81836698
12
Duodecimal
234a724a
16
Hexadecimal
4e0ba9a
20
Vigesimal
15b9bei
36
Base36
1cq1lm
md5
99adb7e48b72149df66ba81e0b4097f6
sha1
b62fa13167f398f5ddb5d1ecfe79972cd6e5a893
sha256
f3ab137810704623c144e9d0ec9ad1cf9ce5b779bfe5cae4c1f196d9fb61ba3c
sha512
6c454b6fc4bed4d114fa05675e6e190fc60595775a9e9960822233cbd1423e855919d47182979e4b7024af0c002f2983dfbf54bc4c1e2620e46106fa7ffcd6fe
ripemd-160
1e68d6790802371719579494450464f1884f7cfa
Diameter
163673396
Circumference
514195138.46169
Area
2.1040016129679E+16
Volume
2.2957939278929E+24
Surface area
8.4160064518716E+16
Circumference
514195138.46169
Perimeter
327346792
Area
6697245139543204
Diagonal
115734568.21143
Surface area
40183470837259224
Volume
5.4808042791677E+23
Space diagonal
141745318.85967
Perimeter
245510094
Area
2.8999922131081E+15
Altitude
70872659.429835
Surface area
2.8999922131081E+15
Volume
6.4591897869262E+22
Height
38578189.40381