28804947 (number)

28804947 is an odd 8-digits composite number following 28804946 and preceding 28804948. In scientific notation, it is written as 2.8804947 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 18244512 positive integers (up to 28804947) that are relatively prime to 28804947.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred four thousand nine hundred forty-seven

Notation

Scientific notation 2.8804947 × 10^7
Engineering notation 2.8804947 × 10^6

Prime Factorization of 28804947

Prime Factorization 3 × 23 × 157 × 2659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28804947
Product of the distinct prime numbers

The prime factorization of 28804947 is 3 × 23 × 157 × 2659. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 43, 9, 359, 311, 2696, 8729, 66481, 76923, 561235, 420683, 3778736, 9014381, 4211550, 27831335, 254905145, 174307986, 7971620663, 1408540390

Basic calculations (n = 28804947)

Multiplication

n×y
n×2 57609894
n×3 86414841
n×4 115219788
n×5 144024735

Division

n÷y
n÷2 14402473.5
n÷3 9601649
n÷3 7201236.75
n÷5 5760989.4

Exponentiation

ny
n2 829724971672809
n3 2.3900183833612E+22
n4 6.8844352861744E+29
n5 1.9830579354318E+37

Nth Root

y√n
2√n 5367.0240357204
3√n 306.54132256726
4√n 73.259975673763
5√n 31.037977652284

Divisors of 28804947

1, 3, 23, 69, 157, 471, 2659, 3611, 7977, 10833, 61157, 183471, 417463, 1252389, 9601649, 28804947

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 -28804946
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 28804947 can be divided by 16 positive divisors. The sum of these divisors (counting 28804947) is 1, the average is 0.0625.

Base conversion 28804947

Base System Value
2 Binary 1101101111000011101010011
3 Ternary 2000012102221220
4 Quaternary 1231320131103
5 Quinary 24333224242
6 Senary 2505220123
8 Octal 155703523
10 Decimal 28804947
12 Duodecimal 9791643
16 Hexadecimal 1b78753
20 Vigesimal 900c77
36 Base36 h5e1f

Cryptographic Hash Functions

md5 1db43264e7691e5e0cbe63793dba9ea4
sha1 578831af17b08db7b301cb35850e86a1391f24cb
sha256 2ebd99062c691049cb87082aee31e75a3f4d0faa29f1be692cb5e71d1e92feb0
sha512 79e0481ede51634e57e38dacd7a43beaba23d51f4bd6ee916adcc1c90204ab5c19de45165e933d17c7ba68f5e4999c9ceae8942c1033d76894f6acfee663bf4f
ripemd-160 cc1715692683f58a7960ebc2a0b66a96e1246477

28804947 as geometric shapes

Circle

Radius = n
Diameter 57609894
Circumference 180986819.76449
Area 2.6066578755073E+15

Sphere

Radius = n
Volume 1.0011285593483E+23
Surface area 1.0426631502029E+16
Circumference 180986819.76449

Square

Length = n
Perimeter 115219788
Area 829724971672809
Diagonal 40736346.710838

Cube

Length = n
Surface area 4978349830036854
Volume 2.3900183833612E+22
Space diagonal 49891631.713329

Equilateral Triangle

Length = n
Perimeter 86414841
Area 3.5928145181149E+14
Altitude 24945815.856664

Triangular Pyramid

Length = n
Surface area 3.5928145181149E+14
Volume 2.8166636767253E+21
Height 13578782.236946