399520021 (number)

399520021 is an odd 9-digits composite number following 399520020 and preceding 399520022. In scientific notation, it is written as 3.99520021 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 389613312 positive integers (up to 399520021) that are relatively prime to 399520021.

Interesting facts

Basic properties

Name

Name three hundred ninety-nine million five hundred twenty thousand twenty-one

Notation

Scientific notation 3.99520021 × 10^8
Engineering notation 3.99520021 × 10^6

Prime Factorization of 399520021

Prime Factorization 73 × 89 × 61493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 399520021
Product of the distinct prime numbers

The prime factorization of 399520021 is 73 × 89 × 61493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 399520021)

Multiplication

n×y
n×2 799040042
n×3 1198560063
n×4 1598080084
n×5 1997600105

Division

n÷y
n÷2 199760010.5
n÷3 133173340.33333
n÷3 99880005.25
n÷5 79904004.2

Exponentiation

ny
n2 159616247179840441
n3 6.3769886425231E+25
n4 2.5477346363776E+34
n5 1.017870995428E+43

Nth Root

y√n
2√n 19987.996923154
3√n 736.51147214496
4√n 141.37891258301
5√n 52.517943250834

Divisors of 399520021

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 -399520020
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 399520021 can be divided by 8 positive divisors. The sum of these divisors (counting 399520021) is 1, the average is 0.125.

Base conversion 399520021

Base System Value
2 Binary 10111110100000011000100010101
3 Ternary 1000211202201102211
4 Quaternary 113310003010111
5 Quinary 1304234120041
6 Senary 103351033421
8 Octal 2764030425
10 Decimal 399520021
12 Duodecimal b196b871
16 Hexadecimal 17d03115
20 Vigesimal 64h0011
36 Base36 6lv3md

Cryptographic Hash Functions

md5 c3cc83a466207e8b8303483a5ccf4bb3
sha1 92a394cb1a3d7ad731a1652b264839ef6b73cbca
sha256 afddd2ea0e0f71b025924f9ab9f8939af76b04d1bf48ab95a7c66001726a787f
sha512 852d3ca6cccde11f6ddd4954d66402dc71848f10edaa007387127cae322ff459c66c3cefb7506ff8757b4609d18f4944aa56564585cc30aab922a7317c841725
ripemd-160 f64149237f7bba806365db13b144441d9d92ac76

399520021 as geometric shapes

Circle

Radius = n
Diameter 799040042
Circumference 2510258325.8713
Area 5.0144922953376E+17

Sphere

Radius = n
Volume 2.6711867561835E+26
Surface area 2.005796918135E+18
Circumference 2510258325.8713

Square

Length = n
Perimeter 1598080084
Area 159616247179840441
Diagonal 565006632.13778

Cube

Length = n
Surface area 957697483079042646
Volume 6.3769886425231E+25
Space diagonal 691988975.01298

Equilateral Triangle

Length = n
Perimeter 1198560063
Area 6.9115862457239E+16
Altitude 345994487.50649

Triangular Pyramid

Length = n
Surface area 6.9115862457239E+16
Volume 7.5153531877961E+24
Height 188335544.04593