8420921428 is an even 10-digits composite number following 8420921427
and preceding 8420921429 . In scientific notation, it is written as 8.420921428 × 10^9.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 4209270552 positive integers (up to 8420921428) that are relatively prime to 8420921428.
8420921428 has 12 divisors, whose sum is 14740778080
The reverse of 8420921428 is 8241290248
Previous prime number is 3559
Is Prime? no
Number parity even
Number length 10
Sum of Digits 40
Digital Root 4
Name
eight billion four hundred twenty million nine hundred twenty-one thousand four hundred twenty-eight
Scientific notation
8.420921428 × 10^9
Engineering notation
8.420921428 × 10^9
Prime Factorization
2 × 2 × 3559 × 591523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4210460714
Product of the distinct prime numbers
The prime factorization of 8420921428 is 2 × 2 × 3559 × 591523.
Since it has a total of 4 prime factors.
4 , 6 , 88 , 9 , 170 , 378 , 5558 , 7705 , 22393 , 2314 , 132407 , 733865 , 3652615 , 9031548 , 98807269 , 25742343 , 420317869 , 716291154 , 2348350771 , 4340480763
n×2
16841842856
n×3
25262764284
n×4
33683685712
n×5
42104607140
n÷2
4210460714
n÷3
2806973809.3333
n÷3
2105230357
n÷5
1684184285.6
n2
7.091191769655E+19
n3
5.9714368723145E+29
n4
5.0285000714022E+39
n5
4.234460400197E+49
2 √n
91765.578666513
3 √n
2034.4789702568
4 √n
302.92833916046
5 √n
96.621087886186
1 , 2 , 4 , 3559 , 7118 , 14236 , 591523 , 1183046 , 2366092 , 2105230357 , 4210460714 , 8420921428
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
-8420921427
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 8420921428 can be divided by 12 positive divisors.
The sum of these divisors (counting 8420921428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110101111011010001000001010100
3
Ternary
210201212110010112211
4
Quaternary
13311323101001110
5
Quinary
114221223441203
6
Senary
3511333323204
8
Octal
76573210124
10
Decimal
8420921428
12
Duodecimal
1770196504
16
Hexadecimal
1f5ed1054
20
Vigesimal
6bbaf3b8
36
Base36
3v9lkk4
md5
65d98e5f9360598a5c0cc644e000e025
sha1
1faf85ac65d170f1eec8c19fbcc7b3d28f20d08e
sha256
2b686e8a657047c5390f2fd34644898154b2bf860f8e0fe37ee012714737b8e8
sha512
202371c379690494635efeb259cdb33f63c690c4fcf1031a6e8b9b59481191b30b3ec90934086baf1c1f1f8ea8d36c730ac8a0a9b304e3caabbff268255c3463
ripemd-160
f8979f64600299c742f78605da2524740382d44e
Diameter
16841842856
Circumference
52910209789.323
Area
2.2277635968744E+20
Volume
2.5013096279251E+30
Surface area
8.9110543874978E+20
Circumference
52910209789.323
Perimeter
33683685712
Area
7.091191769655E+19
Diagonal
11908981291.156
Surface area
4.254715061793E+20
Volume
5.9714368723145E+29
Space diagonal
14585463759.841
Perimeter
25262764284
Area
3.0705761078142E+19
Altitude
7292731879.9207
Surface area
3.0705761078142E+19
Volume
7.0374058430682E+28
Height
3969660430.3853