394028987 (number)

394028987 is an odd 9-digits composite number following 394028986 and preceding 394028988. In scientific notation, it is written as 3.94028987 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 358034560 positive integers (up to 394028987) that are relatively prime to 394028987.

Interesting facts

Basic properties

Name

Name three hundred ninety-four million twenty-eight thousand nine hundred eighty-seven

Notation

Scientific notation 3.94028987 × 10^8
Engineering notation 3.94028987 × 10^6

Prime Factorization of 394028987

Prime Factorization 11 × 2393 × 14969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 394028987
Product of the distinct prime numbers

The prime factorization of 394028987 is 11 × 2393 × 14969. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 38, 26, 451, 891, 3499, 7745, 69441, 75401, 634713, 651159, 2320160, 9698875, 7773139, 27574723, 793237832, 782334184, 704430979, 3868473956

Basic calculations (n = 394028987)

Multiplication

n×y
n×2 788057974
n×3 1182086961
n×4 1576115948
n×5 1970144935

Division

n÷y
n÷2 197014493.5
n÷3 131342995.66667
n÷3 98507246.75
n÷5 78805797.4

Exponentiation

ny
n2 155258842596246169
n3 6.1176484470991E+25
n4 2.4105308204326E+34
n5 9.4981901730733E+42

Nth Root

y√n
2√n 19850.163399831
3√n 733.12167098438
4√n 140.89060791916
5√n 52.372780859714

Divisors of 394028987

1, 11, 2393, 14969, 26323, 164659, 35820817, 394028987

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 -394028986
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 394028987 can be divided by 8 positive divisors. The sum of these divisors (counting 394028987) is 1, the average is 0.125.

Base conversion 394028987

Base System Value
2 Binary 10111011111000110011110111011
3 Ternary 1000110102202011012
4 Quaternary 113133012132323
5 Quinary 1301332411422
6 Senary 103033224135
8 Octal 2737063673
10 Decimal 394028987
12 Duodecimal abb6204b
16 Hexadecimal 177c67bb
20 Vigesimal 632dc97
36 Base36 6ilepn

Cryptographic Hash Functions

md5 886d6f6c6fa1e42709b94c6d48b1f3e0
sha1 a1234d32ca934caf55e09f7e8a0c8a24fe982713
sha256 b8d3b45d6049cd0db97b50c84c5ee863010df6b0672a56b5ac36bb62bc106c89
sha512 d6c4f36efe873f82b6b3722b10e220769f7850dd2c31519ad45afb3e9e52ad7e407320d97e517c5bad9135955c1ff361f8dde7426925ff86251cab20a43d7299
ripemd-160 75dfca6bf048cda536283231850ab04ab4d42808

394028987 as geometric shapes

Circle

Radius = n
Diameter 788057974
Circumference 2475757141.7213
Area 4.8776003930522E+17

Sphere

Radius = n
Volume 2.5625545891536E+26
Surface area 1.9510401572209E+18
Circumference 2475757141.7213

Square

Length = n
Perimeter 1576115948
Area 155258842596246169
Diagonal 557241137.38353

Cube

Length = n
Surface area 931553055577477014
Volume 6.1176484470991E+25
Space diagonal 682478225.1389

Equilateral Triangle

Length = n
Perimeter 1182086961
Area 6.7229050925259E+16
Altitude 341239112.56945

Triangular Pyramid

Length = n
Surface area 6.7229050925259E+16
Volume 7.2097178364319E+24
Height 185747045.79451