81396075 is an odd 8-digits composite number following 81396074
and preceding 81396076 . In scientific notation, it is written as 8.1396075 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 42590080 positive integers (up to 81396075) that are relatively prime to 81396075.
81396075 has 16 divisors, whose sum is 106157952
The reverse of 81396075 is 57069318
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-one million three hundred ninety-six thousand seventy-five
Scientific notation
8.1396075 × 10^7
Engineering notation
8.1396075 × 10^6
Prime Factorization
15 × 5 × 53 × 20477
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81396075
Product of the distinct prime numbers
The prime factorization of 81396075 is 15 × 5 × 53 × 20477.
Since it has a total of 4 prime factors.
7 , 7 , 3 , 63 , 18 , 231 , 4667 , 4198 , 40239 , 67948 , 570679 , 723448 , 6073890 , 8651585 , 39399226 , 82930578 , 144429841 , 438457302 , 4788836650 , 5273760492
n×2
162792150
n×3
244188225
n×4
325584300
n×5
406980375
n÷2
40698037.5
n÷3
27132025
n÷3
20349018.75
n÷5
16279215
n2
6625321025405625
n3
5.3927512708299E+23
n4
4.3894878689682E+31
n5
3.5728708379412E+39
2 √n
9021.9773331571
3 √n
433.37895804949
4 √n
94.984089894872
5 √n
38.205042985534
1 , 5 , 15 , 53 , 75 , 265 , 795 , 3975 , 20477 , 102385 , 307155 , 1085281 , 1535775 , 5426405 , 16279215 , 81396075
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
-81396074
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 81396075 can be divided by 16 positive divisors.
The sum of these divisors (counting 81396075) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110100000000101101011
3
Ternary
12200011100102110
4
Quaternary
10312200011223
5
Quinary
131314133300
6
Senary
12024333403
8
Octal
466400553
10
Decimal
81396075
12
Duodecimal
23314263
16
Hexadecimal
4da016b
20
Vigesimal
158ea3f
36
Base36
1cglm3
md5
8552b892f78d935cb694f4dcee663f27
sha1
d87f835e43dd192e877c4ea6513de5075315778c
sha256
cc3fd89e2021c472be3a7749edd2c6eee6fc007088e39f3bbd07c802812061c3
sha512
70d0b60b59f6a595ad63bb9e5604331881aad495fa899b957b9d10e954f34d47e52ca70476520cb8d807c1913e175e0ae9857261ab7105e8e1ca501db4c85166
ripemd-160
9772845849a1f32972984edb42ca203b88e8de72
Diameter
162792150
Circumference
511426622.50209
Area
2.0814059861088E+16
Volume
2.2589103700102E+24
Surface area
8.3256239444353E+16
Circumference
511426622.50209
Perimeter
325584300
Area
6625321025405625
Diagonal
115111433.18894
Surface area
39751926152433750
Volume
5.3927512708299E+23
Space diagonal
140982137.43669
Perimeter
244188225
Area
2.8688481581142E+15
Altitude
70491068.718343
Surface area
2.8688481581142E+15
Volume
6.355418321427E+22
Height
38370477.729646