81803670 is an even 8-digits composite number following 81803669
and preceding 81803671 . In scientific notation, it is written as 8.1803670 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 19588608 positive integers (up to 81803670) that are relatively prime to 81803670.
81803670 has 32 divisors, whose sum is 177176160
The reverse of 81803670 is 07630818
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million eight hundred three thousand six hundred seventy
Scientific notation
8.1803670 × 10^7
Engineering notation
8.1803670 × 10^6
Prime Factorization
2 × 185 × 3 × 13 × 5669
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81803670
Product of the distinct prime numbers
The prime factorization of 81803670 is 2 × 185 × 3 × 13 × 5669.
Since it has a total of 5 prime factors.
9 , 4 , 57 , 84 , 256 , 785 , 9153 , 7082 , 75918 , 69433 , 439134 , 897273 , 1397290 , 3565539 , 69412948 , 71689817 , 862751776 , 747523945 , 9737816453 , 5712599418
n×2
163607340
n×3
245411010
n×4
327214680
n×5
409018350
n÷2
40901835
n÷3
27267890
n÷3
20450917.5
n÷5
16360734
n2
6691840425468900
n3
5.4741710585772E+23
n4
4.478072827994E+31
n5
3.6632279185719E+39
2 √n
9044.5381308279
3 √n
434.10114301221
4 √n
95.102776672545
5 √n
38.243229314496
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 185 , 370 , 555 , 1110 , 2405 , 4810 , 5669 , 7215 , 11338 , 14430 , 17007 , 34014 , 73697 , 147394 , 221091 , 442182 , 1048765 , 2097530 , 3146295 , 6292590 , 13633945 , 27267890 , 40901835 , 81803670
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81803669
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81803670 can be divided by 32 positive divisors.
The sum of these divisors (counting 81803670) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111000000011100110010110
3
Ternary
12200221001112120
4
Quaternary
10320003212112
5
Quinary
131420204140
6
Senary
12041200410
8
Octal
470034626
10
Decimal
81803670
12
Duodecimal
23490106
16
Hexadecimal
4e03996
20
Vigesimal
15b593a
36
Base36
1cpc46
md5
6fa28421a283449de9ccf9fd9a84cda5
sha1
0330e5d5241bca0a38a3543fe727fdb6cfb8b32c
sha256
c3212c9e0ab7a6eeb653169e60b0fa3d7f4e23a8f9be3817962befd25d15a311
sha512
eebb1142926414cdb6e1c7f5c79f972d06c9fa24fb507781e6f1aee5dcb431c13d3fe7ade8ed4ec4917a967a9a6880b3f6acec88d12e8dedc6a2d9da286c0d38
ripemd-160
ae12fad948bb3315942761d8178d2dabb828ca7b
Diameter
163607340
Circumference
513987617.41737
Area
2.1023036719648E+16
Volume
2.2930154109493E+24
Surface area
8.4092146878593E+16
Circumference
513987617.41737
Perimeter
327214680
Area
6691840425468900
Diagonal
115687859.56589
Surface area
40151042552813400
Volume
5.4741710585772E+23
Space diagonal
141688112.6856
Perimeter
245411010
Area
2.8976519032639E+15
Altitude
70844056.342799
Surface area
2.8976519032639E+15
Volume
6.4513724614918E+22
Height
38562619.855298