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.
399520021 has 8 divisors, whose sum is 409550040
The reverse of 399520021 is 120025993
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
three hundred ninety-nine million five hundred twenty thousand twenty-one
Scientific notation
3.99520021 × 10^8
Engineering notation
3.99520021 × 10^6
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.
7 , 3 , 92 , 53 , 199 , 446 , 5452 , 8043 , 84053 , 48659 , 463384 , 655454 , 9465377 , 2766458 , 23284908 , 68379020 , 232721230 , 394224726 , 782476892 , 9767523458
n×2
799040042
n×3
1198560063
n×4
1598080084
n×5
1997600105
n÷2
199760010.5
n÷3
133173340.33333
n÷3
99880005.25
n÷5
79904004.2
n2
159616247179840441
n3
6.3769886425231E+25
n4
2.5477346363776E+34
n5
1.017870995428E+43
2 √n
19987.996923154
3 √n
736.51147214496
4 √n
141.37891258301
5 √n
52.517943250834
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
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
md5
c3cc83a466207e8b8303483a5ccf4bb3
sha1
92a394cb1a3d7ad731a1652b264839ef6b73cbca
sha256
afddd2ea0e0f71b025924f9ab9f8939af76b04d1bf48ab95a7c66001726a787f
sha512
852d3ca6cccde11f6ddd4954d66402dc71848f10edaa007387127cae322ff459c66c3cefb7506ff8757b4609d18f4944aa56564585cc30aab922a7317c841725
ripemd-160
f64149237f7bba806365db13b144441d9d92ac76
Diameter
799040042
Circumference
2510258325.8713
Area
5.0144922953376E+17
Volume
2.6711867561835E+26
Surface area
2.005796918135E+18
Circumference
2510258325.8713
Perimeter
1598080084
Area
159616247179840441
Diagonal
565006632.13778
Surface area
957697483079042646
Volume
6.3769886425231E+25
Space diagonal
691988975.01298
Perimeter
1198560063
Area
6.9115862457239E+16
Altitude
345994487.50649
Surface area
6.9115862457239E+16
Volume
7.5153531877961E+24
Height
188335544.04593