81008077 is an odd 8-digits composite number following 81008076
and preceding 81008078 . In scientific notation, it is written as 8.1008077 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 72229824 positive integers (up to 81008077) that are relatively prime to 81008077.
81008077 has 8 divisors, whose sum is 90288000
The reverse of 81008077 is 77080018
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million eight thousand seventy-seven
Scientific notation
8.1008077 × 10^7
Engineering notation
8.1008077 × 10^6
Prime Factorization
17 × 19 × 250799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81008077
Product of the distinct prime numbers
The prime factorization of 81008077 is 17 × 19 × 250799.
Since it has a total of 3 prime factors.
10 , 10 , 14 , 37 , 431 , 546 , 7882 , 6273 , 38110 , 16167 , 528536 , 882464 , 9180850 , 8500075 , 71557113 , 18246914 , 465727747 , 329029581 , 4800966532 , 9953402376
n×2
162016154
n×3
243024231
n×4
324032308
n×5
405040385
n÷2
40504038.5
n÷3
27002692.333333
n÷3
20252019.25
n÷5
16201615.4
n2
6562308539237929
n3
5.3159999544434E+23
n4
4.3063893364155E+31
n5
3.4885231895633E+39
2 √n
9000.4487110366
3 √n
432.68925215716
4 √n
94.870694690387
5 √n
38.168550254051
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81008076
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81008077 can be divided by 8 positive divisors.
The sum of these divisors (counting 81008077) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000001010111001101
3
Ternary
12122102122012011
4
Quaternary
10311001113031
5
Quinary
131214224302
6
Senary
12012141221
8
Octal
465012715
10
Decimal
81008077
12
Duodecimal
23167811
16
Hexadecimal
4d415cd
20
Vigesimal
156603h
36
Base36
1c8a8d
md5
0c5162bbd7819d2907a1d07a8005b5bf
sha1
76ededcca0db6547abbce6d5adf092ff911eb05f
sha256
977840f94dd9ac2b82f2f06692e882395517ac6b6170e3282040350cd90aa656
sha512
439f936b9af0cf6a71d5d8cda37f6bcadf5b12df04493a384c5ee1e9077861a33e9824c9c91b558da6a1fa9941220a7cce28573c44b6396915178b380800d5ca
ripemd-160
40b3bf084817d6b74e5fcd360c1e00e86d66fd56
Diameter
162016154
Circumference
508988759.16927
Area
2.0616100297459E+16
Volume
2.2267608537818E+24
Surface area
8.2464401189838E+16
Circumference
508988759.16927
Perimeter
324032308
Area
6562308539237929
Diagonal
114562721.15516
Surface area
39373851235427574
Volume
5.3159999544434E+23
Space diagonal
140310105.18745
Perimeter
243024231
Area
2.8415629512258E+15
Altitude
70155052.593726
Surface area
2.8415629512258E+15
Volume
6.2649660276239E+22
Height
38187573.718388