28305138 (number)

28305138 is an even 8-digits composite number following 28305137 and preceding 28305139. In scientific notation, it is written as 2.8305138 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 9346656 positive integers (up to 28305138) that are relatively prime to 28305138.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred five thousand one hundred thirty-eight

Notation

Scientific notation 2.8305138 × 10^7
Engineering notation 2.8305138 × 10^6

Prime Factorization of 28305138

Prime Factorization 2 × 3 × 107 × 44089

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28305138
Product of the distinct prime numbers

The prime factorization of 28305138 is 2 × 3 × 107 × 44089. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 51, 88, 353, 976, 1556, 6273, 23196, 19249, 105342, 239461, 8183106, 772791, 58497088, 97326673, 301955323, 991825569, 8863667216, 664055201

Basic calculations (n = 28305138)

Multiplication

n×y
n×2 56610276
n×3 84915414
n×4 113220552
n×5 141525690

Division

n÷y
n÷2 14152569
n÷3 9435046
n÷3 7076284.5
n÷5 5661027.6

Exponentiation

ny
n2 801180837199044
n3 2.2677534159874E+22
n4 6.4189073389496E+29
n5 1.8168805803818E+37

Nth Root

y√n
2√n 5320.2573246038
3√n 304.75798413003
4√n 72.940094081402
5√n 30.929511108323

Divisors of 28305138

1, 2, 3, 6, 107, 214, 321, 642, 44089, 88178, 132267, 264534, 4717523, 9435046, 14152569, 28305138

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 -28305137
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 28305138 can be divided by 16 positive divisors. The sum of these divisors (counting 28305138) is 1, the average is 0.0625.

Base conversion 28305138

Base System Value
2 Binary 1101011111110011011110010
3 Ternary 1222021001100110
4 Quaternary 1223332123302
5 Quinary 24221231023
6 Senary 2450402150
8 Octal 153763362
10 Decimal 28305138
12 Duodecimal 9590356
16 Hexadecimal 1afe6f2
20 Vigesimal 8gi2gi
36 Base36 guodu

Cryptographic Hash Functions

md5 39162bccde58c3b7a8c30e655e3f6beb
sha1 475aa7bb773124078ea9398e1199ba88f9ae6b33
sha256 ac1b10b0d82eb2e4e6e6a68e021023baaf3b2de63f0064300e304b880d420ece
sha512 374111939a335e52fd5a57eb021ce4de51c8344d03ee70e26b7506df4b9ada356e27b4539d86da63b22c9437c8d5bb8592193806064e90a9398d748585a88e5b
ripemd-160 6b094fd31da0a847b02e6cd5e96870b897010c47

28305138 as geometric shapes

Circle

Radius = n
Diameter 56610276
Circumference 177846427.19929
Area 2.5169838323414E+15

Sphere

Radius = n
Volume 9.4991432957591E+22
Surface area 1.0067935329366E+16
Circumference 177846427.19929

Square

Length = n
Perimeter 113220552
Area 801180837199044
Diagonal 40029510.044442

Cube

Length = n
Surface area 4807085023194264
Volume 2.2677534159874E+22
Space diagonal 49025937.131249

Equilateral Triangle

Length = n
Perimeter 84915414
Area 3.4692147901983E+14
Altitude 24512968.565624

Triangular Pyramid

Length = n
Surface area 3.4692147901983E+14
Volume 2.6725730308395E+21
Height 13343170.014814