390442981 is an odd 9-digits composite number following 390442980
and preceding 390442982 . In scientific notation, it is written as 3.90442981 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 379890432 positive integers (up to 390442981) that are relatively prime to 390442981.
390442981 has 4 divisors, whose sum is 400995532
The reverse of 390442981 is 189244093
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
three hundred ninety million four hundred forty-two thousand nine hundred eighty-one
Scientific notation
3.90442981 × 10^8
Engineering notation
3.90442981 × 10^6
Prime Factorization
37 × 10552513
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
390442981
Product of the distinct prime numbers
The prime factorization of 390442981 is 37 × 10552513.
Since it has a total of 2 prime factors.
1 , 2 , 10 , 36 , 678 , 354 , 8426 , 7648 , 85946 , 13506 , 211399 , 540756 , 2182643 , 7137069 , 8324985 , 24387953 , 733841433 , 865427234 , 9124124618 , 710281124
n×2
780885962
n×3
1171328943
n×4
1561771924
n×5
1952214905
n÷2
195221490.5
n÷3
130147660.33333
n÷3
97610745.25
n÷5
78088596.2
n2
152445721412166361
n3
5.9521361908862E+25
n4
2.3239697976876E+34
n5
9.0737769556311E+42
2 √n
19759.63008257
3 √n
730.89087519896
4 √n
140.5689513462
5 √n
52.277104368762
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
-390442980
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 390442981 can be divided by 4 positive divisors.
The sum of these divisors (counting 390442981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111010001011010111111100101
3
Ternary
1000012200120002011
4
Quaternary
113101122333211
5
Quinary
1244423133411
6
Senary
102424314221
8
Octal
2721327745
10
Decimal
390442981
12
Duodecimal
aa912971
16
Hexadecimal
1745afe5
20
Vigesimal
6205791
36
Base36
6ggjqd
md5
41fa6ecc026cd1c88a682198f6ec1fc7
sha1
dde8223c81768f4fa43d6a70557bc8cc278739a1
sha256
ffba88e493a7d426f589e2bb855b6370fd3d74609aa462c1fdf6aba4f76da4c8
sha512
7b0fde4b5944c2aeb0cfe0d460f4294fedc7dd379dad5ff1b27905055ab2de544fd2cbec94d48cb0ebb092d9a69b44ed5e504580b7a08dd45bf73383e92f1dde
ripemd-160
86b02c51a6ffbb7534fa9577356e6d1835ad6be1
Diameter
780885962
Circumference
2453225601.5106
Area
4.7892235845966E+17
Volume
2.4932249773939E+26
Surface area
1.9156894338386E+18
Circumference
2453225601.5106
Perimeter
1561771924
Area
152445721412166361
Diagonal
552169759.06358
Surface area
914674328472998166
Volume
5.9521361908862E+25
Space diagonal
676267080.55065
Perimeter
1171328943
Area
6.6010933720591E+16
Altitude
338133540.27532
Surface area
6.6010933720591E+16
Volume
7.0146597718691E+24
Height
184056586.35453