83642721 is an odd 8-digits composite number following 83642720
and preceding 83642722 . In scientific notation, it is written as 8.3642721 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 55497120 positive integers (up to 83642721) that are relatively prime to 83642721.
83642721 has 8 divisors, whose sum is 112053024
The reverse of 83642721 is 12724638
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-three million six hundred forty-two thousand seven hundred twenty-one
Scientific notation
8.3642721 × 10^7
Engineering notation
8.3642721 × 10^6
Prime Factorization
3 × 211 × 132137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
83642721
Product of the distinct prime numbers
The prime factorization of 83642721 is 3 × 211 × 132137.
Since it has a total of 3 prime factors.
3 , 9 , 31 , 78 , 777 , 773 , 1264 , 656 , 39588 , 96099 , 732609 , 456646 , 3508390 , 2236929 , 35859168 , 91855088 , 820027303 , 335559756 , 4636859410 , 3907952885
n×2
167285442
n×3
250928163
n×4
334570884
n×5
418213605
n÷2
41821360.5
n÷3
27880907
n÷3
20910680.25
n÷5
16728544.2
n2
6996104776283841
n3
5.8517323988948E+23
n4
4.8945482040742E+31
n5
4.0939332985443E+39
2 √n
9145.6394527665
3 √n
437.33011482972
4 √n
95.632836686812
5 √n
38.413654904491
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-83642720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 83642721 can be divided by 8 positive divisors.
The sum of these divisors (counting 83642721) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111111000100100101100001
3
Ternary
12211101111020120
4
Quaternary
10333010211201
5
Quinary
132403031341
6
Senary
12144430453
8
Octal
477044541
10
Decimal
83642721
12
Duodecimal
24018429
16
Hexadecimal
4fc4961
20
Vigesimal
162f6g1
36
Base36
1dsr4x
md5
308884b418a2dde3a8b18082803e7f95
sha1
dd918f4ef4540562e7b2fc12258067927110d963
sha256
bbe667b74fe8aa0b4204a19c566d8da2631c852c8d5a68516ee29873c572afbb
sha512
b523f9c256b2a04b8433fa6967ad8d66d33136706827a8492a2151be1c5e0f50bb00429c1c87c821a350e022b4cf8b98c8348076970475ded74591b4d812ab98
ripemd-160
71c1a9795a9bc2115fbbd235281866adcce1972c
Diameter
167285442
Circumference
525542715.63972
Area
2.1978911368918E+16
Volume
2.4511679353522E+24
Surface area
8.7915645475671E+16
Circumference
525542715.63972
Perimeter
334570884
Area
6996104776283841
Diagonal
118288670.43199
Surface area
41976628657703046
Volume
5.8517323988948E+23
Space diagonal
144873442.45531
Perimeter
250928163
Area
3.0294022318997E+15
Altitude
72436721.227654
Surface area
3.0294022318997E+15
Volume
6.8963327682459E+22
Height
39429556.810663