81076904 is an even 8-digits composite number following 81076903
and preceding 81076905 . In scientific notation, it is written as 8.1076904 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 39230640 positive integers (up to 81076904) that are relatively prime to 81076904.
81076904 has 16 divisors, whose sum is 156923520
The reverse of 81076904 is 40967018
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million seventy-six thousand nine hundred four
Scientific notation
8.1076904 × 10^7
Engineering notation
8.1076904 × 10^6
Prime Factorization
2 × 2 × 2 × 31 × 326923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20269226
Product of the distinct prime numbers
The prime factorization of 81076904 is 2 × 2 × 2 × 31 × 326923.
Since it has a total of 5 prime factors.
4 , 8 , 76 , 9 , 77 , 156 , 6369 , 1357 , 86667 , 29560 , 69261 , 650548 , 930515 , 8525502 , 72354907 , 62333175 , 329558011 , 338995180 , 399160707 , 9038732362
n×2
162153808
n×3
243230712
n×4
324307616
n×5
405384520
n÷2
40538452
n÷3
27025634.666667
n÷3
20269226
n÷5
16215380.8
n2
6573464362225216
n3
5.3295613904356E+23
n4
4.3210433721445E+31
n5
3.503368186632E+39
2 √n
9004.2714308266
3 √n
432.8117595829
4 √n
94.890839551701
5 √n
38.175033890149
1 , 2 , 4 , 8 , 31 , 62 , 124 , 248 , 326923 , 653846 , 1307692 , 2615384 , 10134613 , 20269226 , 40538452 , 81076904
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
-81076903
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 81076904 can be divided by 16 positive divisors.
The sum of these divisors (counting 81076904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101010010001010101000
3
Ternary
12122120010121022
4
Quaternary
10311102022220
5
Quinary
131223430104
6
Senary
12013432012
8
Octal
465221250
10
Decimal
81076904
12
Duodecimal
2319b608
16
Hexadecimal
4d522a8
20
Vigesimal
156ec54
36
Base36
1c9rc8
md5
ad7a149153bfcbf9195af6f63ff9e288
sha1
84b80c6fba885ffd1252e7ac3da1848f57ee7fc0
sha256
bc9eee9e1ec3ea01b0c46da97f21cfc1ceba3c004d8e65796c9aa415f0e59c1c
sha512
6d904247a5a346ded6993d17c870dc74dd6b0a6fbe989d99ece238ee4d37b0d8335d8e85bab5f0ca383841d128aa55ef02038965759384c10b5415a90357252c
ripemd-160
537e5c7ff671c530c89555b4e28e975626de3f8b
Diameter
162153808
Circumference
509421211.96441
Area
2.0651147349001E+16
Volume
2.2324414548064E+24
Surface area
8.2604589396004E+16
Circumference
509421211.96441
Perimeter
324307616
Area
6573464362225216
Diagonal
114660057.23202
Surface area
39440786173351296
Volume
5.3295613904356E+23
Space diagonal
140429317.04838
Perimeter
243230712
Area
2.8463935642794E+15
Altitude
70214658.524192
Surface area
2.8463935642794E+15
Volume
6.2809483332116E+22
Height
38220019.07734