821420142 (number)

821420142 is an even 9-digits composite number following 821420141 and preceding 821420143. In scientific notation, it is written as 8.21420142 × 10^8. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 267439032 positive integers (up to 821420142) that are relatively prime to 821420142.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million four hundred twenty thousand one hundred forty-two

Notation

Scientific notation 8.21420142 × 10^8
Engineering notation 8.21420142 × 10^6

Prime Factorization of 821420142

Prime Factorization 2 × 3 × 43 × 3183799

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 821420142
Product of the distinct prime numbers

The prime factorization of 821420142 is 2 × 3 × 43 × 3183799. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 54, 96, 724, 995, 9270, 4323, 3517, 74829, 8950, 796835, 3660458, 9711830, 90684299, 34151712, 695904203, 809710613, 5809955519, 4364308517

Basic calculations (n = 821420142)

Multiplication

n×y
n×2 1642840284
n×3 2464260426
n×4 3285680568
n×5 4107100710

Division

n÷y
n÷2 410710071
n÷3 273806714
n÷3 205355035.5
n÷5 164284028.4

Exponentiation

ny
n2 674731049683300164
n3 5.5423767464267E+26
n4 4.5526198940673E+35
n5 3.7396136798568E+44

Nth Root

y√n
2√n 28660.428154513
3√n 936.5301917115
4√n 169.29391056536
5√n 60.661489457041

Divisors of 821420142

1, 2, 3, 6, 43, 86, 129, 258, 3183799, 6367598, 9551397, 19102794, 136903357, 273806714, 410710071, 821420142

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -821420141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821420142 can be divided by 16 positive divisors. The sum of these divisors (counting 821420142) is 1, the average is 0.0625.

Base conversion 821420142

Base System Value
2 Binary 110000111101011110000001101110
3 Ternary 2010020122110121020
4 Quaternary 300331132001232
5 Quinary 3140240421032
6 Senary 213301515010
8 Octal 6075360156
10 Decimal 821420142
12 Duodecimal 1ab112a66
16 Hexadecimal 30f5e06e
20 Vigesimal cgdha72
36 Base36 dl1vu6

Cryptographic Hash Functions

md5 4e9f1888bbe58ad5a7011a643c043748
sha1 88f793874c060d84b3405bf2cda4bc1ed4a0d112
sha256 1ca94af58d2ba733cddcbe4dd71406043cb8589353553bf24a9ddc117eb71903
sha512 10c862a3eb345088a7653ecd832158dfd995a9972a31f952f69c44d8f8ecf16a092736a026e328521fe8a74b8fd25001d159641e3e79431478c3f38978d93cef
ripemd-160 ba5f1b48326e940c1f92b3229d7843ccb92ec6c4

821420142 as geometric shapes

Circle

Radius = n
Diameter 1642840284
Circumference 5161134967.2358
Area 2.119730108834E+18

Sphere

Radius = n
Volume 2.3215853426668E+27
Surface area 8.4789204353359E+18
Circumference 5161134967.2358

Square

Length = n
Perimeter 3285680568
Area 674731049683300164
Diagonal 1161663505.2228

Cube

Length = n
Surface area 4048386298099800984
Volume 5.5423767464267E+26
Space diagonal 1422741420.3044

Equilateral Triangle

Length = n
Perimeter 2464260426
Area 2.9216711487394E+17
Altitude 711370710.15222

Triangular Pyramid

Length = n
Surface area 2.9216711487394E+17
Volume 6.5317536354815E+25
Height 387221168.40761