85820021 is an odd 8-digits composite number following 85820020
and preceding 85820022 . In scientific notation, it is written as 8.5820021 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 73419192 positive integers (up to 85820021) that are relatively prime to 85820021.
85820021 has 12 divisors, whose sum is 100022688
The reverse of 85820021 is 12002858
Previous prime number is 647
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-five million eight hundred twenty thousand twenty-one
Scientific notation
8.5820021 × 10^7
Engineering notation
8.5820021 × 10^6
Prime Factorization
7 × 7 × 647 × 2707
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12260003
Product of the distinct prime numbers
The prime factorization of 85820021 is 7 × 7 × 647 × 2707.
Since it has a total of 4 prime factors.
6 , 8 , 21 , 6 , 613 , 538 , 4256 , 3702 , 29448 , 1697 , 979299 , 321226 , 878376 , 3061111 , 95614251 , 50248055 , 628630850 , 566808828 , 4221784943 , 1488282499
n×2
171640042
n×3
257460063
n×4
343280084
n×5
429100105
n÷2
42910010.5
n÷3
28606673.666667
n÷3
21455005.25
n÷5
17164004.2
n2
7365076004440441
n3
6.3207097736767E+23
n4
5.4244344551184E+31
n5
4.6552507885139E+39
2 √n
9263.9095958456
3 √n
441.0923632861
4 √n
96.249205689427
5 √n
38.611593319661
1 , 7 , 49 , 647 , 2707 , 4529 , 18949 , 31703 , 132643 , 1751429 , 12260003 , 85820021
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-85820020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 85820021 can be divided by 12 positive divisors.
The sum of these divisors (counting 85820021) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101000111011000001001110101
3
Ternary
12222111002221022
4
Quaternary
11013120021311
5
Quinary
133432220041
6
Senary
12303230525
8
Octal
507301165
10
Decimal
85820021
12
Duodecimal
248a8445
16
Hexadecimal
51d8275
20
Vigesimal
16g7a11
36
Base36
1f3f5h
md5
26ad287024f0dbebc2d8a4ef0272b550
sha1
343d739c92ce51cde9ebbaf2738c0d3cd858c1b3
sha256
94f8030b9fea1a439ca25b564045261f413d7f7f0bc6d1cf3ce650fd4b83ac17
sha512
b1ea7d04f9a8c495fa9cdd1b4049911dc47fc850bbbf875d950f837e0fdd6ecc49d694a8ca8fcf1ff2e1c090812e1a61b77888cf29bce18e9c2920f3468f07ec
ripemd-160
7b5c0a4d45ea6cb64f1d53afa11fce9befe9c58a
Diameter
171640042
Circumference
539223095.00904
Area
2.3138068668681E+16
Volume
2.6476127187275E+24
Surface area
9.2552274674722E+16
Circumference
539223095.00904
Perimeter
343280084
Area
7365076004440441
Diagonal
121367837.62134
Surface area
44190456026642646
Volume
6.3207097736767E+23
Space diagonal
148644636.67863
Perimeter
257460063
Area
3.1891714603243E+15
Altitude
74322318.339314
Surface area
3.1891714603243E+15
Volume
7.4490279047982E+22
Height
40455945.873781