81802016 is an even 8-digits composite number following 81802015
and preceding 81802017 . In scientific notation, it is written as 8.1802016 × 10^7.
The sum of its digits is 26. It has a total of 7 prime factors and 24 positive divisors.
There are 40772160 positive integers (up to 81802016) that are relatively prime to 81802016.
81802016 has 24 divisors, whose sum is 161555184
The reverse of 81802016 is 61020818
Previous prime number is 331
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million eight hundred two thousand sixteen
Scientific notation
8.1802016 × 10^7
Engineering notation
8.1802016 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 331 × 7723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5112626
Product of the distinct prime numbers
The prime factorization of 81802016 is 2 × 2 × 2 × 2 × 2 × 331 × 7723.
Since it has a total of 7 prime factors.
9 , 9 , 77 , 79 , 180 , 801 , 4500 , 1848 , 29941 , 4160 , 848274 , 500715 , 9116020 , 1226872 , 29050006 , 25302961 , 314851694 , 482623611 , 3894244479 , 9380237197
n×2
163604032
n×3
245406048
n×4
327208064
n×5
409010080
n÷2
40901008
n÷3
27267338.666667
n÷3
20450504
n÷5
16360403.2
n2
6691569821664256
n3
5.473839016169E+23
n4
4.4777106678208E+31
n5
3.6628575969245E+39
2 √n
9044.4466939664
3 √n
434.09821727498
4 √n
95.102295944769
5 √n
38.24307466419
1 , 2 , 4 , 8 , 16 , 32 , 331 , 662 , 1324 , 2648 , 5296 , 7723 , 10592 , 15446 , 30892 , 61784 , 123568 , 247136 , 2556313 , 5112626 , 10225252 , 20450504 , 40901008 , 81802016
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81802015
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81802016 can be divided by 24 positive divisors.
The sum of these divisors (counting 81802016) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111000000011001100100000
3
Ternary
12200220222021022
4
Quaternary
10320003030200
5
Quinary
131420131031
6
Senary
12041145012
8
Octal
470031440
10
Decimal
81802016
12
Duodecimal
2348b168
16
Hexadecimal
4e03320
20
Vigesimal
15b550g
36
Base36
1cpau8
md5
9dba353fa44863b1f0a285c3ddfb2d1e
sha1
72c5ab35b7051c4004b529a2ef86179ac3f54003
sha256
bfc9186fb541f78d9b04d898a3268539d766c4cf7ddf7555c1de110edc48ea9f
sha512
cb3039142aff48edf4887427c42cc3dadd4a910c909e2a01e8b964de92f7ff69c791621a80a042c70ca0839df66c378c548d7afcd6a3c03c7b6f31c9caac87fe
ripemd-160
55c909ce2bdc2446be9741fd444a404369d9761c
Diameter
163604032
Circumference
513977225.02887
Area
2.1022186592724E+16
Volume
2.2928763253506E+24
Surface area
8.4088746370894E+16
Circumference
513977225.02887
Perimeter
327208064
Area
6691569821664256
Diagonal
115685520.45666
Surface area
40149418929985536
Volume
5.473839016169E+23
Space diagonal
141685247.87356
Perimeter
245406048
Area
2.8975347283793E+15
Altitude
70842623.936781
Surface area
2.8975347283793E+15
Volume
6.450981145761E+22
Height
38561840.15222