82161857 is an odd 8-digits composite number following 82161856
and preceding 82161858 . In scientific notation, it is written as 8.2161857 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 81950256 positive integers (up to 82161857) that are relatively prime to 82161857.
82161857 has 4 divisors, whose sum is 82373460
The reverse of 82161857 is 75816128
Previous prime number is 389
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-two million one hundred sixty-one thousand eight hundred fifty-seven
Scientific notation
8.2161857 × 10^7
Engineering notation
8.2161857 × 10^6
Prime Factorization
389 × 211213
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82161857
Product of the distinct prime numbers
The prime factorization of 82161857 is 389 × 211213.
Since it has a total of 2 prime factors.
2 , 8 , 72 , 22 , 190 , 561 , 6520 , 8970 , 54896 , 28355 , 881569 , 754607 , 2450413 , 372004 , 39546306 , 3208518 , 462132178 , 625872223 , 9031408110 , 6513422710
n×2
164323714
n×3
246485571
n×4
328647428
n×5
410809285
n÷2
41080928.5
n÷3
27387285.666667
n÷3
20540464.25
n÷5
16432371.4
n2
6750570745688449
n3
5.5463942827564E+23
n4
4.5570205392545E+31
n5
3.7441326989229E+39
2 √n
9064.3177901042
3 √n
434.73380816321
4 √n
95.206710845949
5 √n
38.276661307694
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-82161856
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 82161857 can be divided by 4 positive divisors.
The sum of these divisors (counting 82161857) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001011011000011000001
3
Ternary
12201121020212202
4
Quaternary
10321123003001
5
Quinary
132013134412
6
Senary
12053002545
8
Octal
471330301
10
Decimal
82161857
12
Duodecimal
23623455
16
Hexadecimal
4e5b0c1
20
Vigesimal
15da4ch
36
Base36
1cx0ht
md5
5d5c1baa7d81dbbd487f32808a3ff6b3
sha1
615a33844e6e910e1831e2ec5202daacda196bc1
sha256
03a31dbed08eb2246809c24c72aea04407d41e8ea072f2d98da4395bab216083
sha512
a9dc13957c6542f7f1670398bae21ba7e8389af4dfc0cf9fea4aac002c241c4b998b94a9fdf7dedab13be2234acd6152b4c353ac27c4646bf356a90167962bec
ripemd-160
12359b541c42fb0843ccac0db705434f0c8dfb1f
Diameter
164323714
Circumference
516238172.71299
Area
2.1207543462193E+16
Volume
2.3232682043493E+24
Surface area
8.4830173848772E+16
Circumference
516238172.71299
Perimeter
328647428
Area
6750570745688449
Diagonal
116194412.47916
Surface area
40503424474130694
Volume
5.5463942827564E+23
Space diagonal
142308510.76821
Perimeter
246485571
Area
2.9230828779051E+15
Altitude
71154255.384104
Surface area
2.9230828779051E+15
Volume
6.5364883474522E+22
Height
38731470.826386