394421821 (number)

394421821 is an odd 9-digits composite number following 394421820 and preceding 394421822. In scientific notation, it is written as 3.94421821 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 394368352 positive integers (up to 394421821) that are relatively prime to 394421821.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.94421821 × 10^8
Engineering notation 3.94421821 × 10^6

Prime Factorization of 394421821

Prime Factorization 8837 × 44633

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 394421821
Product of the distinct prime numbers

The prime factorization of 394421821 is 8837 × 44633. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 1, 52, 39, 301, 71, 4285, 5893, 92589, 2429, 857342, 74072, 8428033, 9895208, 56378363, 17458585, 835401706, 105153748, 6383242448, 4934932718

Basic calculations (n = 394421821)

Multiplication

n×y
n×2 788843642
n×3 1183265463
n×4 1577687284
n×5 1972109105

Division

n÷y
n÷2 197210910.5
n÷3 131473940.33333
n÷3 98605455.25
n÷5 78884364.2

Exponentiation

ny
n2 155568572880956041
n3 6.1359639806078E+25
n4 2.4201580868217E+34
n5 9.545631597121E+42

Nth Root

y√n
2√n 19860.055916336
3√n 733.36522283271
4√n 140.92571062917
5√n 52.383219487334

Divisors of 394421821

1, 8837, 44633, 394421821

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 -394421820
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 394421821 can be divided by 4 positive divisors. The sum of these divisors (counting 394421821) is 1, the average is 0.25.

Base conversion 394421821

Base System Value
2 Binary 10111100000100110011000111101
3 Ternary 1000111011201000121
4 Quaternary 113200212120331
5 Quinary 1301432444241
6 Senary 103045454541
8 Octal 2740463075
10 Decimal 394421821
12 Duodecimal b0111451
16 Hexadecimal 1782663d
20 Vigesimal 6352eb1
36 Base36 6itttp

Cryptographic Hash Functions

md5 74e97de9f0acdca6b7c1c0776f0c9c27
sha1 db0d15afd10754ac2687ffc3176102237d3a9873
sha256 1153d9f4667539b23189b8c94a7c69b763042b9daebf151c4232b2d67131dd7a
sha512 3ee77622825f609ddc119bf21d527158107abef0cb3bace24ed0f436d90df73f4e1d41c9f0a2594bed9549d5325aba7ccf423e8460160437c8ae0dd34d132410
ripemd-160 a2ef9ad2858a11f7446dd3f95a2a210d486514bd

394421821 as geometric shapes

Circle

Radius = n
Diameter 788843642
Circumference 2478225390.5382
Area 4.8873308569226E+17

Sphere

Radius = n
Volume 2.5702265818892E+26
Surface area 1.954932342769E+18
Circumference 2478225390.5382

Square

Length = n
Perimeter 1577687284
Area 155568572880956041
Diagonal 557796688.55409

Cube

Length = n
Surface area 933411437285736246
Volume 6.1359639806078E+25
Space diagonal 683158633.58584

Equilateral Triangle

Length = n
Perimeter 1183265463
Area 6.7363168072699E+16
Altitude 341579316.79292

Triangular Pyramid

Length = n
Surface area 6.7363168072699E+16
Volume 7.2313028996736E+24
Height 185932229.51803