81014511 is an odd 8-digits composite number following 81014510
and preceding 81014512 . In scientific notation, it is written as 8.1014511 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 52700544 positive integers (up to 81014511) that are relatively prime to 81014511.
81014511 has 16 divisors, whose sum is 110651904
The reverse of 81014511 is 11541018
Previous prime number is 1297
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighty-one million fourteen thousand five hundred eleven
Scientific notation
8.1014511 × 10^7
Engineering notation
8.1014511 × 10^6
Prime Factorization
3 × 47 × 1297 × 443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81014511
Product of the distinct prime numbers
The prime factorization of 81014511 is 3 × 47 × 1297 × 443.
Since it has a total of 4 prime factors.
2 , 3 , 56 , 45 , 87 , 601 , 7607 , 2783 , 15924 , 26690 , 492793 , 364171 , 7195036 , 1392863 , 46411709 , 5233141 , 235212051 , 493974217 , 5376982214 , 5096711999
n×2
162029022
n×3
243043533
n×4
324058044
n×5
405072555
n÷2
40507255.5
n÷3
27004837
n÷3
20253627.75
n÷5
16202902.2
n2
6563350992569121
n3
5.3172667118435E+23
n4
4.3077576251658E+31
n5
3.4899087750933E+39
2 √n
9000.8061305641
3 √n
432.70070718342
4 √n
94.87257839104
5 √n
38.169156535943
1 , 3 , 47 , 141 , 443 , 1297 , 1329 , 3891 , 20821 , 60959 , 62463 , 182877 , 574571 , 1723713 , 27004837 , 81014511
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
-81014510
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 81014511 can be divided by 16 positive divisors.
The sum of these divisors (counting 81014511) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101000010111011101111
3
Ternary
12122102222000110
4
Quaternary
10311002323233
5
Quinary
131214431021
6
Senary
12012231103
8
Octal
465027357
10
Decimal
81014511
12
Duodecimal
2316b493
16
Hexadecimal
4d42eef
20
Vigesimal
1566g5b
36
Base36
1c8f73
md5
b19dd3147708de3709ef4bac9994dcf5
sha1
63c28516c1d0e740b8fbdb7bf04a212bf93903e1
sha256
0f77b41135cde745c2a9745fdd63d7557a4209eb7d8ed3b6c5b9606224f4e158
sha512
b66c351b695d0c8ce0b5bda6f4112763a5951d4cceb6fcb25384c460ca63d88647cb8c21599f2017c23a5250a81088449b85ce1029b037662e44ac50cd79df73
ripemd-160
18670fb998b18532101b5cfcaa1bbd2093008d43
Diameter
162029022
Circumference
509029185.18354
Area
2.0619375261186E+16
Volume
2.2272914718807E+24
Surface area
8.2477501044746E+16
Circumference
509029185.18354
Perimeter
324058044
Area
6563350992569121
Diagonal
114571820.20522
Surface area
39380105955414726
Volume
5.3172667118435E+23
Space diagonal
140321249.20235
Perimeter
243043533
Area
2.8420143467593E+15
Altitude
70160624.601174
Surface area
2.8420143467593E+15
Volume
6.2664589155367E+22
Height
38190606.735075