82688891 is an odd 8-digits composite number following 82688890
and preceding 82688892 . In scientific notation, it is written as 8.2688891 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 82133784 positive integers (up to 82688891) that are relatively prime to 82688891.
82688891 has 4 divisors, whose sum is 83244000
The reverse of 82688891 is 19888628
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighty-two million six hundred eighty-eight thousand eight hundred ninety-one
Scientific notation
8.2688891 × 10^7
Engineering notation
8.2688891 × 10^6
Prime Factorization
149 × 554959
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
82688891
Product of the distinct prime numbers
The prime factorization of 82688891 is 149 × 554959.
Since it has a total of 2 prime factors.
3 , 8 , 29 , 6 , 193 , 484 , 5340 , 7003 , 79001 , 24852 , 696848 , 171451 , 3460401 , 317302 , 17319219 , 25337548 , 866090622 , 93453702 , 9078448360 , 9486202128
n×2
165377782
n×3
248066673
n×4
330755564
n×5
413444455
n÷2
41344445.5
n÷3
27562963.666667
n÷3
20672222.75
n÷5
16537778.2
n2
6837452694809881
n3
5.6538138059879E+23
n4
4.6750759353763E+31
n5
3.8657684443705E+39
2 √n
9093.3432245792
3 √n
435.66137294264
4 √n
95.359022774875
5 √n
38.325641552701
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
-82688890
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 82688891 can be divided by 4 positive divisors.
The sum of these divisors (counting 82688891) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011011011101101111011
3
Ternary
12202121000211112
4
Quaternary
10323123231323
5
Quinary
132132021031
6
Senary
12112150535
8
Octal
473335573
10
Decimal
82688891
12
Duodecimal
2383844b
16
Hexadecimal
4edbb7b
20
Vigesimal
15gg24b
36
Base36
1d8b5n
md5
4b61908a518c945f0f5dfdd1bd1acc39
sha1
d4ff7484c9fa3e96a0e25feece3954cf21ff5212
sha256
63b8cb4494981d63c04a65d29c10f6f9133431cb64537f15e74695e7f26339ec
sha512
808b9b95c7f2342ae6fc25af580f4631711a604ff9ed4ce9f9ae6535c8f222f12200eab1ee2ad76c472f5420efa98f9de23bc8507a7bbceb2459aa5458e53778
ripemd-160
e4d6f7185d0466deb3cd9702d79b9b6623cc008e
Diameter
165377782
Circumference
519549624.99817
Area
2.1480491155282E+16
Volume
2.3682639890208E+24
Surface area
8.592196462113E+16
Circumference
519549624.99817
Perimeter
330755564
Area
6837452694809881
Diagonal
116939751.10979
Surface area
41024716168859286
Volume
5.6538138059879E+23
Space diagonal
143221360.43352
Perimeter
248066673
Area
2.9607038654399E+15
Altitude
71610680.216762
Surface area
2.9607038654399E+15
Volume
6.6630834696336E+22
Height
38979917.036597