82147891 is an odd 8-digits composite number following 82147890
and preceding 82147892 . In scientific notation, it is written as 8.2147891 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 70412472 positive integers (up to 82147891) that are relatively prime to 82147891.
82147891 has 4 divisors, whose sum is 93883312
The reverse of 82147891 is 19874128
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-two million one hundred forty-seven thousand eight hundred ninety-one
Scientific notation
8.2147891 × 10^7
Engineering notation
8.2147891 × 10^6
Prime Factorization
7 × 11735413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82147891
Product of the distinct prime numbers
The prime factorization of 82147891 is 7 × 11735413.
Since it has a total of 2 prime factors.
10 , 1 , 36 , 38 , 633 , 264 , 533 , 5958 , 12971 , 23204 , 117472 , 453820 , 2740922 , 164541 , 86678262 , 17389299 , 364390759 , 245223539 , 2010716528 , 2751572021
n×2
164295782
n×3
246443673
n×4
328591564
n×5
410739455
n÷2
41073945.5
n÷3
27382630.333333
n÷3
20536972.75
n÷5
16429578.2
n2
6748275995747881
n3
5.5435664093661E+23
n4
4.5539228914787E+31
n5
3.740951613116E+39
2 √n
9063.5473739591
3 √n
434.70917452487
4 √n
95.202664741902
5 √n
38.275359953947
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
-82147890
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 82147891 can be divided by 4 positive divisors.
The sum of these divisors (counting 82147891) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111001010111101000110011
3
Ternary
12201120112201111
4
Quaternary
10321113220303
5
Quinary
132012213031
6
Senary
12052414151
8
Octal
471275063
10
Decimal
82147891
12
Duodecimal
23617357
16
Hexadecimal
4e57a33
20
Vigesimal
15d89eb
36
Base36
1cwppv
md5
bc164b4ff78c9f6299ab74245893d9a4
sha1
1a3efa64f3d5221cc416f2a5a1a989bd8d1cec77
sha256
a74b05a505c664ab486105cf08489839e9b5a58b0a71ee44cbb1157a56394f6c
sha512
372006f4b5cf4c9296a8584758fbcddda929fe8c970b63da611387e352a7723a71d7f4464f5992ac51b3709ea4d2cd1b8521c9fb597da9319eacc4c15a8998df
ripemd-160
cf6cd77cb5bbeeac23cce86bda6e7d8ecae96c26
Diameter
164295782
Circumference
516150421.74699
Area
2.1200334292638E+16
Volume
2.3220836675136E+24
Surface area
8.4801337170552E+16
Circumference
516150421.74699
Perimeter
328591564
Area
6748275995747881
Diagonal
116174661.57255
Surface area
40489655974487286
Volume
5.5435664093661E+23
Space diagonal
142284320.94663
Perimeter
246443673
Area
2.9220892220332E+15
Altitude
71142160.473315
Surface area
2.9220892220332E+15
Volume
6.5331556667013E+22
Height
38724887.190849