28809745 (number)

28809745 is an odd 8-digits composite number following 28809744 and preceding 28809746. In scientific notation, it is written as 2.8809745 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 22528000 positive integers (up to 28809745) that are relatively prime to 28809745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8809745 × 10^7
Engineering notation 2.8809745 × 10^6

Prime Factorization of 28809745

Prime Factorization 5 × 641 × 101 × 89

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28809745
Product of the distinct prime numbers

The prime factorization of 28809745 is 5 × 641 × 101 × 89. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28809745)

Multiplication

n×y
n×2 57619490
n×3 86429235
n×4 115238980
n×5 144048725

Division

n÷y
n÷2 14404872.5
n÷3 9603248.3333333
n÷3 7202436.25
n÷5 5761949

Exponentiation

ny
n2 830001406965025
n3 2.3912128884304E+22
n4 6.8890233556392E+29
n5 1.9847100617501E+37

Nth Root

y√n
2√n 5367.4710059767
3√n 306.55834167641
4√n 73.263026186315
5√n 31.039011573962

Divisors of 28809745

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 -28809744
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 28809745 can be divided by 16 positive divisors. The sum of these divisors (counting 28809745) is 1, the average is 0.0625.

Base conversion 28809745

Base System Value
2 Binary 1101101111001101000010001
3 Ternary 2000012200112121
4 Quaternary 1231321220101
5 Quinary 24333402440
6 Senary 2505254241
8 Octal 155715021
10 Decimal 28809745
12 Duodecimal 9794381
16 Hexadecimal 1b79a11
20 Vigesimal 901475
36 Base36 h5hqp

Cryptographic Hash Functions

md5 825a391ac3e363dd0632e37fd6734871
sha1 b7c947117ac255846dc3a00c44630dfbb9616383
sha256 01aad721eeebed725883bb83d547f2337b2edd8c0dd77f61ec62e09575e60709
sha512 6b291cbed3b0c3109c86fc5b8ad103e3b5f79bd6a43cab60fed6aa451768b9a669c16ee5806157136f03e416fe5559d065ee2de6e7c1a3fcbcdfdcce8ecc7192
ripemd-160 7691f0108daabb58d9a56880c44a8252d38bcc53

28809745 as geometric shapes

Circle

Radius = n
Diameter 57619490
Circumference 181016966.48759
Area 2.6075263225905E+15

Sphere

Radius = n
Volume 1.0016289124616E+23
Surface area 1.0430105290362E+16
Circumference 181016966.48759

Square

Length = n
Perimeter 115238980
Area 830001406965025
Diagonal 40743132.10751

Cube

Length = n
Surface area 4980008441790150
Volume 2.3912128884304E+22
Space diagonal 49899942.093103

Equilateral Triangle

Length = n
Perimeter 86429235
Area 3.5940115180427E+14
Altitude 24949971.046552

Triangular Pyramid

Length = n
Surface area 3.5940115180427E+14
Volume 2.8180714144496E+21
Height 13581044.035837