393663921 (number)

393663921 is an odd 9-digits composite number following 393663920 and preceding 393663922. In scientific notation, it is written as 3.93663921 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 224950800 positive integers (up to 393663921) that are relatively prime to 393663921.

Interesting facts

Basic properties

Name

Name three hundred ninety-three million six hundred sixty-three thousand nine hundred twenty-one

Notation

Scientific notation 3.93663921 × 10^8
Engineering notation 3.93663921 × 10^6

Prime Factorization of 393663921

Prime Factorization 3 × 7 × 18745901

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 393663921
Product of the distinct prime numbers

The prime factorization of 393663921 is 3 × 7 × 18745901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 76, 12, 515, 397, 3278, 5733, 19389, 69146, 661727, 897406, 4145998, 290204, 97799123, 19420898, 712962610, 783594167, 3065263857, 7758967792

Basic calculations (n = 393663921)

Multiplication

n×y
n×2 787327842
n×3 1180991763
n×4 1574655684
n×5 1968319605

Division

n÷y
n÷2 196831960.5
n÷3 131221307
n÷3 98415980.25
n÷5 78732784.2

Exponentiation

ny
n2 154971282697094241
n3 6.1006602788938E+25
n4 2.4016098460783E+34
n5 9.4542714871938E+42

Nth Root

y√n
2√n 19840.965727504
3√n 732.89518976735
4√n 140.85796295384
5√n 52.363072634254

Divisors of 393663921

1, 3, 7, 21, 18745901, 56237703, 131221307, 393663921

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 -393663920
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 393663921 can be divided by 8 positive divisors. The sum of these divisors (counting 393663921) is 1, the average is 0.125.

Base conversion 393663921

Base System Value
2 Binary 10111011101101101010110110001
3 Ternary 1000102202012101020
4 Quaternary 113131231112301
5 Quinary 1301234221141
6 Senary 103021330053
8 Octal 2735552661
10 Decimal 393663921
12 Duodecimal aba06929
16 Hexadecimal 1776d5b1
20 Vigesimal 6307jg1
36 Base36 6idl0x

Cryptographic Hash Functions

md5 54c3621fd7e75f285dbb9a4dd9ddc91f
sha1 6c2c2a7d0111e21f225457c746f992334633504d
sha256 f0a838f0f47a6120b83d26e3668da66557a69f970deb9dc20083ac492177c5e8
sha512 dd6bad007c22f27c462f3155a6318f08217eddcab0c3b8d9b1dbc5f76a017418eaf1831bae0708b3ac55c8010f89dc334cd0e9d5acffe3cf0c30c3615a18e74a
ripemd-160 4b2a1ccbb5803caf1ceef524afa9cac2f1a90b97

393663921 as geometric shapes

Circle

Radius = n
Diameter 787327842
Circumference 2473463364.3939
Area 4.8685664323858E+17

Sphere

Radius = n
Volume 2.555438601896E+26
Surface area 1.9474265729543E+18
Circumference 2473463364.3939

Square

Length = n
Perimeter 1574655684
Area 154971282697094241
Diagonal 556724856.09517

Cube

Length = n
Surface area 929827696182565446
Volume 6.1006602788938E+25
Space diagonal 681845912.27878

Equilateral Triangle

Length = n
Perimeter 1180991763
Area 6.7104533836372E+16
Altitude 340922956.13939

Triangular Pyramid

Length = n
Surface area 6.7104533836372E+16
Volume 7.189697088202E+24
Height 185574952.03172