821420140 (number)

821420140 is an even 9-digits composite number following 821420139 and preceding 821420141. In scientific notation, it is written as 8.21420140 × 10^8. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 328568048 positive integers (up to 821420140) that are relatively prime to 821420140.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.21420140 × 10^8
Engineering notation 8.21420140 × 10^6

Prime Factorization of 821420140

Prime Factorization 2 × 2 × 5 × 41071007

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 410710070
Product of the distinct prime numbers

The prime factorization of 821420140 is 2 × 2 × 5 × 41071007. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 1, 50, 447, 278, 3984, 2002, 94470, 63641, 422329, 475579, 8319820, 7930354, 12760077, 46175898, 998348813, 608864263, 3694200760, 1683208547

Basic calculations (n = 821420140)

Multiplication

n×y
n×2 1642840280
n×3 2464260420
n×4 3285680560
n×5 4107100700

Division

n÷y
n÷2 410710070
n÷3 273806713.33333
n÷3 205355035
n÷5 164284028

Exponentiation

ny
n2 674731046397619600
n3 5.5423767059428E+26
n4 4.5526198497283E+35
n5 3.7396136343306E+44

Nth Root

y√n
2√n 28660.428119622
3√n 936.53019095141
4√n 169.29391046231
5√n 60.661489427501

Divisors of 821420140

1, 2, 4, 5, 10, 20, 41071007, 82142014, 164284028, 205355035, 410710070, 821420140

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 -821420139
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 821420140 can be divided by 12 positive divisors. The sum of these divisors (counting 821420140) is 1, the average is 0.083333333333333.

Base conversion 821420140

Base System Value
2 Binary 110000111101011110000001101100
3 Ternary 2010020122110121011
4 Quaternary 300331132001230
5 Quinary 3140240421030
6 Senary 213301515004
8 Octal 6075360154
10 Decimal 821420140
12 Duodecimal 1ab112a64
16 Hexadecimal 30f5e06c
20 Vigesimal cgdha70
36 Base36 dl1vu4

Cryptographic Hash Functions

md5 b3ae108d3a9b169929b91befb7ab362a
sha1 df844fa7007b0c5afce934248db2f648b92c9baf
sha256 3f885f31c2ca51cfe382f7b50553cb359ff8ff368d567254940109315b6e92ac
sha512 a9dd4ac6b5ec6bc2919d22b58b1a60ceb3851d564565fc2b79206f3ced628785145f4ec20396ec26402673141eb46ce6132a1ab0446446b2cdff534806e4448e
ripemd-160 3a1723289d39306eee3f4ad6809c68c41bc8b299

821420140 as geometric shapes

Circle

Radius = n
Diameter 1642840280
Circumference 5161134954.6694
Area 2.1197300985117E+18

Sphere

Radius = n
Volume 2.3215853257089E+27
Surface area 8.4789203940469E+18
Circumference 5161134954.6694

Square

Length = n
Perimeter 3285680560
Area 674731046397619600
Diagonal 1161663502.3944

Cube

Length = n
Surface area 4048386278385717600
Volume 5.5423767059428E+26
Space diagonal 1422741416.8403

Equilateral Triangle

Length = n
Perimeter 2464260420
Area 2.921671134512E+17
Altitude 711370708.42017

Triangular Pyramid

Length = n
Surface area 2.921671134512E+17
Volume 6.5317535877708E+25
Height 387221167.4648