8420921431 is an odd 10-digits composite number following 8420921430
and preceding 8420921432 . In scientific notation, it is written as 8.420921431 × 10^9.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 7693021440 positive integers (up to 8420921431) that are relatively prime to 8420921431.
8420921431 has 4 divisors, whose sum is 8427600664
The reverse of 8420921431 is 1341290248
Previous prime number is 1261
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 34
Digital Root 7
Name
eight billion four hundred twenty million nine hundred twenty-one thousand four hundred thirty-one
Scientific notation
8.420921431 × 10^9
Engineering notation
8.420921431 × 10^9
Prime Factorization
1261 × 6677971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8420921431
Product of the distinct prime numbers
The prime factorization of 8420921431 is 1261 × 6677971.
Since it has a total of 2 prime factors.
3 , 8 , 14 , 67 , 996 , 617 , 3074 , 8154 , 90057 , 9600 , 16239 , 50050 , 7300830 , 3536805 , 34988328 , 17225927 , 60795081 , 776597980 , 4715726310 , 4387005997
n×2
16841842862
n×3
25262764293
n×4
33683685724
n×5
42104607155
n÷2
4210460715.5
n÷3
2806973810.3333
n÷3
2105230357.75
n÷5
1684184286.2
n2
7.0911917747075E+19
n3
5.9714368786965E+29
n4
5.0285000785679E+39
n5
4.2344604077398E+49
2 √n
91765.578682859
3 √n
2034.4789704984
4 √n
302.92833918744
5 √n
96.62108789307
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
-8420921430
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 8420921431 can be divided by 4 positive divisors.
The sum of these divisors (counting 8420921431) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101111011010001000001010111
3
Ternary
210201212110010112221
4
Quaternary
13311323101001113
5
Quinary
114221223441211
6
Senary
3511333323211
8
Octal
76573210127
10
Decimal
8420921431
12
Duodecimal
1770196507
16
Hexadecimal
1f5ed1057
20
Vigesimal
6bbaf3bb
36
Base36
3v9lkk7
md5
6cf8659eac62b9d1c8dfe7569485fa0a
sha1
5e7e877f6736eca3c4475bf37fc442345a6c0cf6
sha256
951a3b6b6f7789e552165844b4292ffb1470b2bd75ae8a0264df041834e9033a
sha512
0b4049d0d0bd0f3b88e1fd857d174cff46b9768d25c82fec6f20750eb982bf49ca9de76ed645325666436f543b2bd3518a490b8db233eba4b0ed4d24428f589f
ripemd-160
822b115bc1ae54c13e869dd3da871cd43e696cbf
Diameter
16841842862
Circumference
52910209808.173
Area
2.2277635984617E+20
Volume
2.5013096305984E+30
Surface area
8.911054393847E+20
Circumference
52910209808.173
Perimeter
33683685724
Area
7.0911917747075E+19
Diagonal
11908981295.398
Surface area
4.2547150648245E+20
Volume
5.9714368786965E+29
Space diagonal
14585463765.038
Perimeter
25262764293
Area
3.070576110002E+19
Altitude
7292731882.5188
Surface area
3.070576110002E+19
Volume
7.0374058505896E+28
Height
3969660431.7995