8420921428 (number)

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.

Interesting facts

Basic properties

Name

Name eight billion four hundred twenty million nine hundred twenty-one thousand four hundred twenty-eight

Notation

Scientific notation 8.420921428 × 10^9
Engineering notation 8.420921428 × 10^9

Prime Factorization of 8420921428

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.

Most popular turbo-numbers

Basic calculations (n = 8420921428)

Multiplication

n×y
n×2 16841842856
n×3 25262764284
n×4 33683685712
n×5 42104607140

Division

n÷y
n÷2 4210460714
n÷3 2806973809.3333
n÷3 2105230357
n÷5 1684184285.6

Exponentiation

ny
n2 7.091191769655E+19
n3 5.9714368723145E+29
n4 5.0285000714022E+39
n5 4.234460400197E+49

Nth Root

y√n
2√n 91765.578666513
3√n 2034.4789702568
4√n 302.92833916046
5√n 96.621087886186

Divisors of 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 conversion 8420921428

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

Cryptographic Hash Functions

md5 65d98e5f9360598a5c0cc644e000e025
sha1 1faf85ac65d170f1eec8c19fbcc7b3d28f20d08e
sha256 2b686e8a657047c5390f2fd34644898154b2bf860f8e0fe37ee012714737b8e8
sha512 202371c379690494635efeb259cdb33f63c690c4fcf1031a6e8b9b59481191b30b3ec90934086baf1c1f1f8ea8d36c730ac8a0a9b304e3caabbff268255c3463
ripemd-160 f8979f64600299c742f78605da2524740382d44e

8420921428 as geometric shapes

Circle

Radius = n
Diameter 16841842856
Circumference 52910209789.323
Area 2.2277635968744E+20

Sphere

Radius = n
Volume 2.5013096279251E+30
Surface area 8.9110543874978E+20
Circumference 52910209789.323

Square

Length = n
Perimeter 33683685712
Area 7.091191769655E+19
Diagonal 11908981291.156

Cube

Length = n
Surface area 4.254715061793E+20
Volume 5.9714368723145E+29
Space diagonal 14585463759.841

Equilateral Triangle

Length = n
Perimeter 25262764284
Area 3.0705761078142E+19
Altitude 7292731879.9207

Triangular Pyramid

Length = n
Surface area 3.0705761078142E+19
Volume 7.0374058430682E+28
Height 3969660430.3853