82788385 is an odd 8-digits composite number following 82788384
and preceding 82788386 . In scientific notation, it is written as 8.2788385 × 10^7.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 57254912 positive integers (up to 82788385) that are relatively prime to 82788385.
82788385 has 16 divisors, whose sum is 90201600
The reverse of 82788385 is 58388728
Previous prime number is 799
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
eighty-two million seven hundred eighty-eight thousand three hundred eighty-five
Scientific notation
8.2788385 × 10^7
Engineering notation
8.2788385 × 10^6
Prime Factorization
115 × 17 × 799 × 53
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82788385
Product of the distinct prime numbers
The prime factorization of 82788385 is 115 × 17 × 799 × 53.
Since it has a total of 4 prime factors.
7 , 9 , 45 , 12 , 17 , 45 , 7495 , 7191 , 81637 , 83532 , 56071 , 87827 , 3687523 , 9771681 , 52632142 , 65483643 , 481416273 , 729755133 , 4585844411 , 3843744007
n×2
165576770
n×3
248365155
n×4
331153540
n×5
413941925
n÷2
41394192.5
n÷3
27596128.333333
n÷3
20697096.25
n÷5
16557677
n2
6853916690908225
n3
5.6742469376484E+23
n4
4.697617400591E+31
n5
3.8890815794283E+39
2 √n
9098.8122851282
3 √n
435.83603695026
4 √n
95.3876946211
5 √n
38.334860052078
1 , 17 , 53 , 115 , 799 , 901 , 1955 , 6095 , 13583 , 42347 , 91885 , 103615 , 719899 , 1562045 , 4869905 , 82788385
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
-82788384
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 82788385 can be divided by 16 positive divisors.
The sum of these divisors (counting 82788385) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011110100000000100001
3
Ternary
12202210002022111
4
Quaternary
10323310000201
5
Quinary
132143212020
6
Senary
12114235321
8
Octal
473640041
10
Decimal
82788385
12
Duodecimal
23885b41
16
Hexadecimal
4ef4021
20
Vigesimal
15h8aj5
36
Base36
1dafxd
md5
b6c04fa91b7dcacce9018d6590083a74
sha1
d029cee6b2cad418ef10be8415c3de82cf7729da
sha256
df62ff1b7fda433876e87ea83e2c85ed1394770d068a7b02f6605b0148db49da
sha512
ee262a7cb9f825747d97e46d2b17345f50b4f4e7fc1a32d66f2864312ee3ac02a2a0b171fd602f597db33b73566fe8dfa672c7d913abc05cab11151185a34b8e
ripemd-160
9e8249c7f8820dc76e50f37b2feba7de3761cc52
Diameter
165576770
Circumference
520174764.23713
Area
2.1532214324474E+16
Volume
2.3768229991961E+24
Surface area
8.6128857297895E+16
Circumference
520174764.23713
Perimeter
331153540
Area
6853916690908225
Diagonal
117080456.87397
Surface area
41123500145449350
Volume
5.6742469376484E+23
Space diagonal
143393689.09657
Perimeter
248365155
Area
2.9678329848743E+15
Altitude
71696844.548287
Surface area
2.9678329848743E+15
Volume
6.6871641462303E+22
Height
39026818.957988