82161871 is an odd 8-digits composite number following 82161870
and preceding 82161872 . In scientific notation, it is written as 8.2161871 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 70459200 positive integers (up to 82161871) that are relatively prime to 82161871.
82161871 has 16 divisors, whose sum is 94752000
The reverse of 82161871 is 17816128
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-two million one hundred sixty-one thousand eight hundred seventy-one
Scientific notation
8.2161871 × 10^7
Engineering notation
8.2161871 × 10^6
Prime Factorization
11 × 19 × 281 × 1399
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
82161871
Product of the distinct prime numbers
The prime factorization of 82161871 is 11 × 19 × 281 × 1399.
Since it has a total of 4 prime factors.
2 , 9 , 24 , 61 , 244 , 47 , 6291 , 2066 , 56745 , 20414 , 998033 , 551635 , 7347563 , 5623720 , 35938983 , 31745245 , 272971343 , 946455077 , 8282974486 , 2351452797
n×2
164323742
n×3
246485613
n×4
328647484
n×5
410809355
n÷2
41080935.5
n÷3
27387290.333333
n÷3
20540467.75
n÷5
16432374.2
n2
6750573046220641
n3
5.5463971179966E+23
n4
4.5570236452361E+31
n5
3.7441358888384E+39
2 √n
9064.3185623631
3 √n
434.73383285542
4 √n
95.206714901645
5 √n
38.276662612128
1 , 11 , 19 , 209 , 281 , 1399 , 3091 , 5339 , 15389 , 26581 , 58729 , 292391 , 393119 , 4324309 , 7469261 , 82161871
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
-82161870
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 82161871 can be divided by 16 positive divisors.
The sum of these divisors (counting 82161871) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111001011011000011001111
3
Ternary
12201121020220021
4
Quaternary
10321123003033
5
Quinary
132013134441
6
Senary
12053003011
8
Octal
471330317
10
Decimal
82161871
12
Duodecimal
23623467
16
Hexadecimal
4e5b0cf
20
Vigesimal
15da4db
36
Base36
1cx0i7
md5
d6597da9eac454b58cbbc4526890a4b4
sha1
614a62e5750f7931e519201d242b089e78124352
sha256
46746f48490966cc92a2b03130b7bfe637c3a2e4563dc8cc04d1b8db9c8510f5
sha512
2485673598b658fc363f32cb7a5cb8aee7388f0659ea861befde6729d0eea7751a36fc4ad8373afed786d5323b7389d15c9d5d7e21df56119d4f6e9792adfb31
ripemd-160
487c1289bf598393ed48beaed62bbfb9e2bd489f
Diameter
164323742
Circumference
516238260.67758
Area
2.1207550689528E+16
Volume
2.323269391972E+24
Surface area
8.4830202758112E+16
Circumference
516238260.67758
Perimeter
328647484
Area
6750573046220641
Diagonal
116194432.27815
Surface area
40503438277323846
Volume
5.5463971179966E+23
Space diagonal
142308535.01692
Perimeter
246485613
Area
2.9230838740648E+15
Altitude
71154267.50846
Surface area
2.9230838740648E+15
Volume
6.5364916888148E+22
Height
38731477.42605