81736984 is an even 8-digits composite number following 81736983
and preceding 81736985 . In scientific notation, it is written as 8.1736984 × 10^7.
The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors.
There are 35030112 positive integers (up to 81736984) that are relatively prime to 81736984.
81736984 has 16 divisors, whose sum is 175150800
The reverse of 81736984 is 48963718
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighty-one million seven hundred thirty-six thousand nine hundred eighty-four
Scientific notation
8.1736984 × 10^7
Engineering notation
8.1736984 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 1459589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20434246
Product of the distinct prime numbers
The prime factorization of 81736984 is 2 × 2 × 2 × 7 × 1459589.
Since it has a total of 5 prime factors.
9 , 6 , 98 , 79 , 741 , 953 , 6915 , 1437 , 62290 , 17640 , 294433 , 496743 , 8521634 , 5532195 , 95407046 , 10268462 , 99603229 , 846070241 , 227562693 , 5153757081
n×2
163473968
n×3
245210952
n×4
326947936
n×5
408684920
n÷2
40868492
n÷3
27245661.333333
n÷3
20434246
n÷5
16347396.8
n2
6680934553416256
n3
5.4607944069763E+23
n4
4.4634886507031E+31
n5
3.648321004267E+39
2 √n
9040.850844915
3 √n
433.9831518161
4 √n
95.083388901085
5 √n
38.23699213714
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 1459589 , 2919178 , 5838356 , 10217123 , 11676712 , 20434246 , 40868492 , 81736984
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
-81736983
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 81736984 can be divided by 16 positive divisors.
The sum of these divisors (counting 81736984) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111110011010100011000
3
Ternary
12200210200001201
4
Quaternary
10313303110120
5
Quinary
131411040414
6
Senary
12035523544
8
Octal
467632430
10
Decimal
81736984
12
Duodecimal
234595b4
16
Hexadecimal
4df3518
20
Vigesimal
15ah294
36
Base36
1cnwns
md5
7c951418ecc122882c137a4515a4fd8b
sha1
9f792ae307a29d84049079114170f53f89d67fe3
sha256
265f668a34fad9f6b99efdd3c844f0f8f007b27583a47a2d016626a6ba0a382d
sha512
cc5ef81f52afd4548cdd03f792350d88c1b8678692d478661855c140a167a3a5db06cf5f18151c04f370d43d5c3ff94d9e5bf6dfd91e0e6b30fd9992a9da28d6
ripemd-160
3143d74f266467b3409484750821342f9bbf4023
Diameter
163473968
Circumference
513568616.92197
Area
2.0988774912127E+16
Volume
2.2874122122295E+24
Surface area
8.3955099648507E+16
Circumference
513568616.92197
Perimeter
326947936
Area
6680934553416256
Diagonal
115593551.32027
Surface area
40085607320497536
Volume
5.4607944069763E+23
Space diagonal
141572609.14544
Perimeter
245210952
Area
2.8929295221399E+15
Altitude
70786304.572722
Surface area
2.8929295221399E+15
Volume
6.4356079263975E+22
Height
38531183.773424