81503804 is an even 8-digits composite number following 81503803
and preceding 81503805 . In scientific notation, it is written as 8.1503804 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 39251520 positive integers (up to 81503804) that are relatively prime to 81503804.
81503804 has 24 divisors, whose sum is 147907200
The reverse of 81503804 is 40830518
Previous prime number is 709
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million five hundred three thousand eight hundred four
Scientific notation
8.1503804 × 10^7
Engineering notation
8.1503804 × 10^6
Prime Factorization
2 × 2 × 29 × 709 × 991
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40751902
Product of the distinct prime numbers
The prime factorization of 81503804 is 2 × 2 × 29 × 709 × 991.
Since it has a total of 5 prime factors.
3 , 10 , 61 , 12 , 140 , 485 , 2569 , 7923 , 19244 , 7612 , 981375 , 85274 , 9718697 , 6908825 , 89000186 , 47735172 , 951810125 , 160867643 , 8485652545 , 5169493908
n×2
163007608
n×3
244511412
n×4
326015216
n×5
407519020
n÷2
40751902
n÷3
27167934.666667
n÷3
20375951
n÷5
16300760.8
n2
6642870066470416
n3
5.4141917989507E+23
n4
4.4127722720009E+31
n5
3.5965772635379E+39
2 √n
9027.9457242498
3 √n
433.57006840993
4 √n
95.015502546952
5 √n
38.215150632318
1 , 2 , 4 , 29 , 58 , 116 , 709 , 991 , 1418 , 1982 , 2836 , 3964 , 20561 , 28739 , 41122 , 57478 , 82244 , 114956 , 702619 , 1405238 , 2810476 , 20375951 , 40751902 , 81503804
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
-81503803
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 81503804 can be divided by 24 positive divisors.
The sum of these divisors (counting 81503804) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110110111010011000111100
3
Ternary
12200100211012102
4
Quaternary
10312322120330
5
Quinary
131331110204
6
Senary
12030524232
8
Octal
466723074
10
Decimal
81503804
12
Duodecimal
23366678
16
Hexadecimal
4dba63c
20
Vigesimal
1597ja4
36
Base36
1ciwqk
md5
9a0db00367032d1e93d771737608aeb0
sha1
40c6ac3579c57007f55c42a9b94b70982996d3b7
sha256
020dd36375c0c8683e51f778a9d6b07da10c7ac95b31b2e4e4109ccea4ebabac
sha512
f69f23e097b7e0eefa7c4879b2b405390834c62c22549710564c86e5cc35bc618a93f806e08ff583ae2d6a32e17237ea4faa394694f1249a5ffc52558634c4bf
ripemd-160
d4e97cb8d274b4b4f2e3505882a29982cd65f7df
Diameter
163007608
Circumference
512103503.77204
Area
2.0869191799575E+16
Volume
2.267891357428E+24
Surface area
8.34767671983E+16
Circumference
512103503.77204
Perimeter
326015216
Area
6642870066470416
Diagonal
115263785.0018
Surface area
39857220398822496
Volume
5.4141917989507E+23
Space diagonal
141168729.53814
Perimeter
244511412
Area
2.8764471158013E+15
Altitude
70584364.769068
Surface area
2.8764471158013E+15
Volume
6.3806862261377E+22
Height
38421261.667266