81782022 is an even 8-digits composite number following 81782021
and preceding 81782023 . In scientific notation, it is written as 8.1782022 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 23332608 positive integers (up to 81782022) that are relatively prime to 81782022.
81782022 has 32 divisors, whose sum is 187200000
The reverse of 81782022 is 22028718
Previous prime number is 1249
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million seven hundred eighty-two thousand twenty-two
Scientific notation
8.1782022 × 10^7
Engineering notation
8.1782022 × 10^6
Prime Factorization
2 × 7 × 3 × 1249 × 1559
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81782022
Product of the distinct prime numbers
The prime factorization of 81782022 is 2 × 7 × 3 × 1249 × 1559.
Since it has a total of 5 prime factors.
4 , 6 , 48 , 41 , 84 , 1 , 5503 , 4022 , 25364 , 70238 , 317013 , 778435 , 8638802 , 4649189 , 98525498 , 39895048 , 749549913 , 1446413 , 2618424745 , 5675431010
n×2
163564044
n×3
245346066
n×4
327128088
n×5
408910110
n÷2
40891011
n÷3
27260674
n÷3
20445505.5
n÷5
16356404.4
n2
6688299122408484
n3
5.4698262597139E+23
n4
4.473334515081E+31
n5
3.6583834172571E+39
2 √n
9043.3413072824
3 √n
434.06284705058
4 √n
95.096484200429
5 √n
38.241205011486
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 1249 , 1559 , 2498 , 3118 , 3747 , 4677 , 7494 , 8743 , 9354 , 10913 , 17486 , 21826 , 26229 , 32739 , 52458 , 65478 , 1947191 , 3894382 , 5841573 , 11683146 , 13630337 , 27260674 , 40891011 , 81782022
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
-81782021
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 81782022 can be divided by 32 positive divisors.
The sum of these divisors (counting 81782022) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111111110010100000110
3
Ternary
12200212221211210
4
Quaternary
10313332110012
5
Quinary
131414011042
6
Senary
12040512250
8
Octal
467762406
10
Decimal
81782022
12
Duodecimal
2347b686
16
Hexadecimal
4dfe506
20
Vigesimal
15b2f12
36
Base36
1coveu
md5
ad004d9d4311ff1045957a9426906205
sha1
3f9e8ed911d1564a4b26962b3564a99dbeef1156
sha256
7f9d33b121e1193caa8c98af91b8d4cad05ab1e89e9507540d796219641d4fab
sha512
1c2a068f99fd1129ef13b7a582b90cf39e5ffbef84ec7e2121efb5f46f9f7b3fb32c19668b812e20450f2d5ee6882b57db2cbe04ab01baa6d638cbfec780657b
ripemd-160
2f030fca603715a239858a879ff481cabb44a26f
Diameter
163564044
Circumference
513851599.02184
Area
2.101191138797E+16
Volume
2.2911954658573E+24
Surface area
8.4047645551878E+16
Circumference
513851599.02184
Perimeter
327128088
Area
6688299122408484
Diagonal
115657244.67069
Surface area
40129794734450904
Volume
5.4698262597139E+23
Space diagonal
141650617.24972
Perimeter
245346066
Area
2.8961184740575E+15
Altitude
70825308.624858
Surface area
2.8961184740575E+15
Volume
6.4462520669266E+22
Height
38552414.890232