816398421 (number)

816398421 is an odd 9-digits composite number following 816398420 and preceding 816398422. In scientific notation, it is written as 8.16398421 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 543804720 positive integers (up to 816398421) that are relatively prime to 816398421.

Interesting facts

Basic properties

Name

Name eight hundred sixteen million three hundred ninety-eight thousand four hundred twenty-one

Notation

Scientific notation 8.16398421 × 10^8
Engineering notation 8.16398421 × 10^6

Prime Factorization of 816398421

Prime Factorization 3 × 229261 × 1187

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 816398421
Product of the distinct prime numbers

The prime factorization of 816398421 is 3 × 229261 × 1187. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 23, 13, 678, 579, 310, 2103, 14538, 39828, 990585, 299709, 4557329, 8664736, 25016633, 21917332, 567299915, 119177659, 1639611769, 6166444176

Basic calculations (n = 816398421)

Multiplication

n×y
n×2 1632796842
n×3 2449195263
n×4 3265593684
n×5 4081992105

Division

n÷y
n÷2 408199210.5
n÷3 272132807
n÷3 204099605.25
n÷5 163279684.2

Exponentiation

ny
n2 666506381811293241
n3 5.4413475769716E+26
n4 4.4423075699518E+35
n5 3.626692885705E+44

Nth Root

y√n
2√n 28572.686625517
3√n 934.61780866057
4√n 169.03457227892
5√n 60.587137069114

Divisors of 816398421

1, 3, 1187, 3561, 229261, 687783, 272132807, 816398421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -816398420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 816398421 can be divided by 8 positive divisors. The sum of these divisors (counting 816398421) is 1, the average is 0.125.

Base conversion 816398421

Base System Value
2 Binary 110000101010010100000001010101
3 Ternary 2002220012100002120
4 Quaternary 300222110001111
5 Quinary 3132444222141
6 Senary 213002130153
8 Octal 6052240125
10 Decimal 816398421
12 Duodecimal 1a94b0959
16 Hexadecimal 30a94055
20 Vigesimal cf29g11
36 Base36 di291x

Cryptographic Hash Functions

md5 609dd82e6a3bd3890fb59a7139c03986
sha1 0fdc40d3bda8d27420fb047791b8458b4535ea90
sha256 dcc820ec1bad27e9499c576db1a2d1b15c2b0f0c4101165d7dfd47d5add8e906
sha512 89172c8c195819659f4cbc5c8ebd8318cc83dc592c85090a551a903478a4667bb273ebd4c66d633e472439be79bc94cb8d242288e5896bddf48eac6c795e14b8
ripemd-160 6535f6f24d375dec39a79c787818f4e344c1eb05

816398421 as geometric shapes

Circle

Radius = n
Diameter 1632796842
Circumference 5129582563.6318
Area 2.0938915526691E+18

Sphere

Radius = n
Volume 2.2792663431257E+27
Surface area 8.3755662106763E+18
Circumference 5129582563.6318

Square

Length = n
Perimeter 3265593684
Area 666506381811293241
Diagonal 1154561719.2782

Cube

Length = n
Surface area 3999038290867759446
Volume 5.4413475769716E+26
Space diagonal 1414043544.391

Equilateral Triangle

Length = n
Perimeter 2449195263
Area 2.8860572921652E+17
Altitude 707021772.1955

Triangular Pyramid

Length = n
Surface area 2.8860572921652E+17
Volume 6.4126896174494E+25
Height 384853906.42606