390509987 (number)

390509987 is an odd 9-digits composite number following 390509986 and preceding 390509988. In scientific notation, it is written as 3.90509987 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 333320904 positive integers (up to 390509987) that are relatively prime to 390509987.

Interesting facts

Basic properties

Name

Name three hundred ninety million five hundred nine thousand nine hundred eighty-seven

Notation

Scientific notation 3.90509987 × 10^8
Engineering notation 3.90509987 × 10^6

Prime Factorization of 390509987

Prime Factorization 7 × 239 × 233419

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 390509987
Product of the distinct prime numbers

The prime factorization of 390509987 is 7 × 239 × 233419. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 390509987)

Multiplication

n×y
n×2 781019974
n×3 1171529961
n×4 1562039948
n×5 1952549935

Division

n÷y
n÷2 195254993.5
n÷3 130169995.66667
n÷3 97627496.75
n÷5 78101997.4

Exponentiation

ny
n2 152498049946740169
n3 5.9552011502227E+25
n4 2.3255655237558E+34
n5 9.0815656244954E+42

Nth Root

y√n
2√n 19761.325537524
3√n 730.93268349967
4√n 140.57498190476
5√n 52.278898556078

Divisors of 390509987

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 -390509986
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 390509987 can be divided by 8 positive divisors. The sum of these divisors (counting 390509987) is 1, the average is 0.125.

Base conversion 390509987

Base System Value
2 Binary 10111010001101011010110100011
3 Ternary 1000012210221222212
4 Quaternary 113101223112203
5 Quinary 1244432304422
6 Senary 102425552335
8 Octal 2721532643
10 Decimal 390509987
12 Duodecimal aa9456ab
16 Hexadecimal 1746b5a3
20 Vigesimal 620dej7
36 Base36 6ghzfn

Cryptographic Hash Functions

md5 d25dd3813574dc2a8aee00a7dfee8e95
sha1 aa075f2e412ab40d97fd85decb5370b19725c11e
sha256 c1f777cad9f55df6e56ac827f7d8ea3289e4f1d994abc9dec8e67d4c85e82a48
sha512 f985179627b49ef86e4c70c48cec95fab2cbb70e5a21a69c5726258bcd14ca617c7e0aba80c233e7ba668bae47e321e1c85a97958c21762f89d9b49ae7c58e6b
ripemd-160 84a6618bbb3dd919a5177a5f2756f365967d02de

390509987 as geometric shapes

Circle

Radius = n
Diameter 781019974
Circumference 2453646612.6253
Area 4.7908675339945E+17

Sphere

Radius = n
Volume 2.4945088245585E+26
Surface area 1.9163470135978E+18
Circumference 2453646612.6253

Square

Length = n
Perimeter 1562039948
Area 152498049946740169
Diagonal 552264519.85754

Cube

Length = n
Surface area 914988299680441014
Volume 5.9552011502227E+25
Space diagonal 676383138.34706

Equilateral Triangle

Length = n
Perimeter 1171529961
Area 6.6033592640733E+16
Altitude 338191569.17353

Triangular Pyramid

Length = n
Surface area 6.6033592640733E+16
Volume 7.0182718610873E+24
Height 184088173.28585