390442981 (number)

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.

Interesting facts

Basic properties

Name

Name three hundred ninety million four hundred forty-two thousand nine hundred eighty-one

Notation

Scientific notation 3.90442981 × 10^8
Engineering notation 3.90442981 × 10^6

Prime Factorization of 390442981

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.

Most popular turbo-numbers

Basic calculations (n = 390442981)

Multiplication

n×y
n×2 780885962
n×3 1171328943
n×4 1561771924
n×5 1952214905

Division

n÷y
n÷2 195221490.5
n÷3 130147660.33333
n÷3 97610745.25
n÷5 78088596.2

Exponentiation

ny
n2 152445721412166361
n3 5.9521361908862E+25
n4 2.3239697976876E+34
n5 9.0737769556311E+42

Nth Root

y√n
2√n 19759.63008257
3√n 730.89087519896
4√n 140.5689513462
5√n 52.277104368762

Divisors of 390442981

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 conversion 390442981

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

Cryptographic Hash Functions

md5 41fa6ecc026cd1c88a682198f6ec1fc7
sha1 dde8223c81768f4fa43d6a70557bc8cc278739a1
sha256 ffba88e493a7d426f589e2bb855b6370fd3d74609aa462c1fdf6aba4f76da4c8
sha512 7b0fde4b5944c2aeb0cfe0d460f4294fedc7dd379dad5ff1b27905055ab2de544fd2cbec94d48cb0ebb092d9a69b44ed5e504580b7a08dd45bf73383e92f1dde
ripemd-160 86b02c51a6ffbb7534fa9577356e6d1835ad6be1

390442981 as geometric shapes

Circle

Radius = n
Diameter 780885962
Circumference 2453225601.5106
Area 4.7892235845966E+17

Sphere

Radius = n
Volume 2.4932249773939E+26
Surface area 1.9156894338386E+18
Circumference 2453225601.5106

Square

Length = n
Perimeter 1561771924
Area 152445721412166361
Diagonal 552169759.06358

Cube

Length = n
Surface area 914674328472998166
Volume 5.9521361908862E+25
Space diagonal 676267080.55065

Equilateral Triangle

Length = n
Perimeter 1171328943
Area 6.6010933720591E+16
Altitude 338133540.27532

Triangular Pyramid

Length = n
Surface area 6.6010933720591E+16
Volume 7.0146597718691E+24
Height 184056586.35453