8420978085 is an odd 10-digits composite number following 8420978084
and preceding 8420978086 . In scientific notation, it is written as 8.420978085 × 10^9.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 4145712192 positive integers (up to 8420978085) that are relatively prime to 8420978085.
8420978085 has 4 divisors, whose sum is 8464162784
The reverse of 8420978085 is 5808790248
Previous prime number is 195
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
eight billion four hundred twenty million nine hundred seventy-eight thousand eighty-five
Scientific notation
8.420978085 × 10^9
Engineering notation
8.420978085 × 10^9
Prime Factorization
195 × 43184503
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8420978085
Product of the distinct prime numbers
The prime factorization of 8420978085 is 195 × 43184503.
Since it has a total of 2 prime factors.
9 , 3 , 49 , 32 , 244 , 176 , 3979 , 2001 , 55426 , 12637 , 210445 , 781523 , 5514398 , 2158091 , 49109638 , 69123560 , 933494446 , 656441837 , 7228073505 , 5415272008
n×2
16841956170
n×3
25262934255
n×4
33683912340
n×5
42104890425
n÷2
4210489042.5
n÷3
2806992695
n÷3
2105244521.25
n÷5
1684195617
n2
7.091287190805E+19
n3
5.971557402821E+29
n4
5.0286354022475E+39
n5
4.2346028519782E+49
2 √n
91765.887371071
3 √n
2034.4835329885
4 √n
302.928848694
5 √n
96.62121790156
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
-8420978084
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 8420978085 can be divided by 4 positive divisors.
The sum of these divisors (counting 8420978085) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101111011011110110110100101
3
Ternary
210201212120000021020
4
Quaternary
13311323132312211
5
Quinary
114221232244320
6
Senary
3511334441353
8
Octal
76573366645
10
Decimal
8420978085
12
Duodecimal
1770203259
16
Hexadecimal
1f5ededa5
20
Vigesimal
6bbb2545
36
Base36
3v9ms9x
md5
fb5b7a48441339295d21ec5004ca9b45
sha1
06b89a987e449cabda8d0085167857819547207d
sha256
321082ab8625d8afda1afb172ab592fa4fc9f144759768f4f64a1e3cabe7281e
sha512
e0e51ee97de586dc3c042b9bf2376d1cb8b54be1172a7e984d6ddf8727ff879ee3325f332d60c4dc0c109c775f7175f4cf33832bebaccfe938b4b2a904111b9c
ripemd-160
a3272c3362de668c8169da6bb07c8b82cfd76c12
Diameter
16841956170
Circumference
52910565775.753
Area
2.2277935743128E+20
Volume
2.5013601156256E+30
Surface area
8.9111742972514E+20
Circumference
52910565775.753
Perimeter
33683912340
Area
7.091287190805E+19
Diagonal
11909061416.254
Surface area
4.254772314483E+20
Volume
5.971557402821E+29
Space diagonal
14585561892.644
Perimeter
25262934255
Area
3.0706174263842E+19
Altitude
7292780946.322
Surface area
3.0706174263842E+19
Volume
7.0375478896325E+28
Height
3969687138.7512