30390905 (number)

30390905 is an odd 8-digits composite number following 30390904 and preceding 30390906. In scientific notation, it is written as 3.0390905 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 23479872 positive integers (up to 30390905) that are relatively prime to 30390905.

Interesting facts

Basic properties

Name

Name thirty million three hundred ninety thousand nine hundred five

Notation

Scientific notation 3.0390905 × 10^7
Engineering notation 3.0390905 × 10^6

Prime Factorization of 30390905

Prime Factorization 5 × 47 × 79 × 1637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 30390905
Product of the distinct prime numbers

The prime factorization of 30390905 is 5 × 47 × 79 × 1637. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 76, 23, 368, 884, 4609, 560, 54435, 93353, 4756, 851563, 8566110, 957957, 39344852, 62880545, 118592161, 303524697, 8295699524, 7353041448

Basic calculations (n = 30390905)

Multiplication

n×y
n×2 60781810
n×3 91172715
n×4 121563620
n×5 151954525

Division

n÷y
n÷2 15195452.5
n÷3 10130301.666667
n÷3 7597726.25
n÷5 6078181

Exponentiation

ny
n2 923607106719025
n3 2.8069255837623E+22
n4 8.5305008758189E+29
n5 2.5924964171943E+37

Nth Root

y√n
2√n 5512.7946633264
3√n 312.06702277537
4√n 74.24819636413
5√n 31.372471005365

Divisors of 30390905

1, 5, 47, 79, 235, 395, 1637, 3713, 8185, 18565, 76939, 129323, 384695, 646615, 6078181, 30390905

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -30390904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30390905 can be divided by 16 positive divisors. The sum of these divisors (counting 30390905) is 1, the average is 0.0625.

Base conversion 30390905

Base System Value
2 Binary 1110011111011101001111001
3 Ternary 2010012000111002
4 Quaternary 1303323221321
5 Quinary 30240002110
6 Senary 3003214345
8 Octal 163735171
10 Decimal 30390905
12 Duodecimal a2173b5
16 Hexadecimal 1cfba79
20 Vigesimal 99ih55
36 Base36 i3drt

Cryptographic Hash Functions

md5 2782c573892285c3438a39ce168b656f
sha1 21fb92a54171cb98801d29b3aa2a5bb4c4c3d430
sha256 f053cb170e4379f69ef5826d5ac8ea8929d2482bfb3c23edc46fdef6a10c3976
sha512 830c5c86674e41fb7ed21fe3ce017eac67860e5ba8ad6d6006c65e6bae4a0c988613cf2e26f7b04a996a95671e625065db6ab06e55f3a2ebde6a07ea6be7034c
ripemd-160 3ed5e4c9a0c7e61e743646a6a8ecaa3b9e911891

30390905 as geometric shapes

Circle

Radius = n
Diameter 60781810
Circumference 190951687.76789
Area 2.9015973012718E+15

Sphere

Radius = n
Volume 1.1757622390828E+23
Surface area 1.1606389205087E+16
Circumference 190951687.76789

Square

Length = n
Perimeter 121563620
Area 923607106719025
Diagonal 42979230.023792

Cube

Length = n
Surface area 5541642640314150
Volume 2.8069255837623E+22
Space diagonal 52638591.547999

Equilateral Triangle

Length = n
Perimeter 91172715
Area 3.9993360876726E+14
Altitude 26319295.774

Triangular Pyramid

Length = n
Surface area 3.9993360876726E+14
Volume 3.3079935242739E+21
Height 14326410.007931