81853896 is an even 8-digits composite number following 81853895
and preceding 81853897 . In scientific notation, it is written as 8.1853896 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors.
There are 27254208 positive integers (up to 81853896) that are relatively prime to 81853896.
81853896 has 32 divisors, whose sum is 204863040
The reverse of 81853896 is 69835818
Previous prime number is 1447
Is Prime? no Number parity even Number length 8 Sum of Digits 48 Digital Root 3
Name
eighty-one million eight hundred fifty-three thousand eight hundred ninety-six
Scientific notation
8.1853896 × 10^7
Engineering notation
8.1853896 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 1447 × 2357
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
20463474 Product of the distinct prime numbers
The prime factorization of 81853896 is 2 × 2 × 2 × 3 × 1447 × 2357.
Since it has a total of 6 prime factors.
9 , 7 , 40 , 60 , 436 , 69 , 4069 , 731 , 87208 , 67822 , 96078 , 58590 , 4115297 , 2706922 , 18279483 , 10307473 , 64564983 , 887398051 , 2381372400 , 2537533357
n×2
163707792
n×3
245561688
n×4
327415584
n×5
409269480
n÷2
40926948
n÷3
27284632
n÷3
20463474
n÷5
16370779.2
n2
6700060290378816
n3
5.484260382024E+23
n4
4.4890807894711E+31
n5
3.6744875207697E+39
2 √n9047.3142976245
3 √n434.18996829873
4 √n95.117371166493
5 √n38.247924294252
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 1447 , 2357 , 2894 , 4341 , 4714 , 5788 , 7071 , 8682 , 9428 , 11576 , 14142 , 17364 , 18856 , 28284 , 34728 , 56568 , 3410579 , 6821158 , 10231737 , 13642316 , 20463474 , 27284632 , 40926948 , 81853896
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81853895 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81853896 can be divided by 32 positive divisors.
The sum of these divisors (counting 81853896) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111000001111110111001000
3
Ternary
12201000121102210
4
Quaternary
10320033313020
5
Quinary
131423311041
6
Senary
12042225120
8
Octal
470176710
10
Decimal
81853896
12
Duodecimal
234b51a0
16
Hexadecimal
4e0fdc8
20
Vigesimal
15bbeeg
36
Base36
1cqevc
md5
2a5852240f083e8efdebf8315a89c552
sha1
d6c92003675171f1fd414dbb95f597e1685beb37
sha256
6af6324f7e1158878ee500b0b143717c657918fe90a9167db780f634ecce8323
sha512
e33d8fd30cbb5724b24341858e9788ff9cbcd8bf5438008f0a4b6376f17ffd9c5a39d52bf9e43724ceb33cf7a3918788a5d7f31902a5f93468de750ceba4d204
ripemd-160
6bd5311cd59afb286a90d0fa92ba8cfa5e72f65a
Diameter
163707792
Circumference
514303196.68261
Area
2.1048860186863E+16
Volume
2.297241616872E+24
Surface area
8.4195440747451E+16
Circumference
514303196.68261
Perimeter
327415584
Area
6700060290378816
Diagonal
115758889.85628
Surface area
40200361742272896
Volume
5.484260382024E+23
Space diagonal
141775106.66946
Perimeter
245561688
Area
2.9012112091777E+15
Altitude
70887553.334729
Surface area
2.9012112091777E+15
Volume
6.4632628432031E+22
Height
38586296.618759