81282199 is an odd 8-digits composite number following 81282198
and preceding 81282200 . In scientific notation, it is written as 8.1282199 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 81212536 positive integers (up to 81282199) that are relatively prime to 81282199.
81282199 has 4 divisors, whose sum is 81351864
The reverse of 81282199 is 99128218
Previous prime number is 1187
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million two hundred eighty-two thousand one hundred ninety-nine
Scientific notation
8.1282199 × 10^7
Engineering notation
8.1282199 × 10^6
Prime Factorization
1187 × 68477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81282199
Product of the distinct prime numbers
The prime factorization of 81282199 is 1187 × 68477.
Since it has a total of 2 prime factors.
5 , 2 , 12 , 39 , 580 , 727 , 1725 , 9465 , 95224 , 45223 , 145761 , 869114 , 7378320 , 5277511 , 71213822 , 67746128 , 672994101 , 550586662 , 6746341396 , 6705492768
n×2
162564398
n×3
243846597
n×4
325128796
n×5
406410995
n÷2
40641099.5
n÷3
27094066.333333
n÷3
20320549.75
n÷5
16256439.8
n2
6606795874275601
n3
5.3701489700525E+23
n4
4.3649751724345E+31
n5
3.5479478059588E+39
2 √n
9015.6640909031
3 √n
433.17675954075
4 √n
94.950850922481
5 √n
38.194346955783
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
-81282198
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 81282199 can be divided by 4 positive divisors.
The sum of these divisors (counting 81282199) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110110000100010010010111
3
Ternary
12122221120012211
4
Quaternary
10312010102113
5
Quinary
131302012244
6
Senary
12022054251
8
Octal
466042227
10
Decimal
81282199
12
Duodecimal
2327a387
16
Hexadecimal
4d84497
20
Vigesimal
158059j
36
Base36
1ce5qv
md5
7c0f908a146fc8d789fe2e269852f368
sha1
eb32eb9c17e6c19d60c5794ac8b448b3d3003061
sha256
d0af4c0ec1edfe0d6ae5582da0dabc9ac50f93debb53eb898e85bc33f04525b5
sha512
47e58accd83f512c388cc1a919b1c25a79b7371e428051e7ca26c654919b1cf1da41d77a9dd599e5a58899f8ef13d44680be45b4dc75c7f6a1fed28c9259784c
ripemd-160
5006053fc4c4fef87dd429319f64ebdd8f552d97
Diameter
162564398
Circumference
510711118.49205
Area
2.0755861382392E+16
Volume
2.2494427404E+24
Surface area
8.3023445529566E+16
Circumference
510711118.49205
Perimeter
325128796
Area
6606795874275601
Diagonal
114950388.20531
Surface area
39640775245653606
Volume
5.3701489700525E+23
Space diagonal
140784898.41892
Perimeter
243846597
Area
2.8608265323704E+15
Altitude
70392449.209462
Surface area
2.8608265323704E+15
Volume
6.3287812545101E+22
Height
38316796.068436