28805940 (number)

28805940 is an even 8-digits composite number following 28805939 and preceding 28805941. In scientific notation, it is written as 2.8805940 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 7681536 positive integers (up to 28805940) that are relatively prime to 28805940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8805940 × 10^7
Engineering notation 2.8805940 × 10^6

Prime Factorization of 28805940

Prime Factorization 2 × 2 × 15 × 3 × 160033

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14402970
Product of the distinct prime numbers

The prime factorization of 28805940 is 2 × 2 × 15 × 3 × 160033. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 1, 49, 29, 327, 16, 3352, 4560, 97342, 60686, 18630, 983644, 4988459, 7361041, 32366649, 39949125, 800758500, 911119599, 5025975859, 9486987714

Basic calculations (n = 28805940)

Multiplication

n×y
n×2 57611880
n×3 86417820
n×4 115223760
n×5 144029700

Division

n÷y
n÷2 14402970
n÷3 9601980
n÷3 7201485
n÷5 5761188

Exponentiation

ny
n2 829782179283600
n3 2.3902655669513E+22
n4 6.8853846505664E+29
n5 1.9833997712114E+37

Nth Root

y√n
2√n 5367.1165442908
3√n 306.54484501817
4√n 73.260607042877
5√n 31.038191645296

Divisors of 28805940

1, 2, 3, 4, 6, 12, 15, 30, 45, 60, 90, 180, 160033, 320066, 480099, 640132, 960198, 1920396, 2400495, 4800990, 7201485, 9601980, 14402970, 28805940

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28805939
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28805940 can be divided by 24 positive divisors. The sum of these divisors (counting 28805940) is 1, the average is 0.041666666666667.

Base conversion 28805940

Base System Value
2 Binary 1101101111000101100110100
3 Ternary 2000012111022200
4 Quaternary 1231320230310
5 Quinary 24333242230
6 Senary 2505224500
8 Octal 155705464
10 Decimal 28805940
12 Duodecimal 9792130
16 Hexadecimal 1b78b34
20 Vigesimal 900eh0
36 Base36 h5et0

Cryptographic Hash Functions

md5 2ed6d19ec24efbdd380c65018d86d827
sha1 47fe4fcfa8fe88bb26fe633680d86ee1d573019d
sha256 77bfbd19a5ca9a16306e8a0ef2611b9fb8ccb840649325d15f0848e12a8f9317
sha512 3156039ce469a839946a433fddaa124ce3d2e24ea53ed9353172e463c6a0b90cf967f2cac8f1f4148b1d3d3283abb508e9edee9899919760d5b7eece926a3325
ripemd-160 8b0cc27ddd443b5b9f3ad40e460cc9f81643c441

28805940 as geometric shapes

Circle

Radius = n
Diameter 57611880
Circumference 180993058.9675
Area 2.6068375985171E+15

Sphere

Radius = n
Volume 1.0012320993684E+23
Surface area 1.0427350394068E+16
Circumference 180993058.9675

Square

Length = n
Perimeter 115223760
Area 829782179283600
Diagonal 40737751.024906

Cube

Length = n
Surface area 4978693075701600
Volume 2.3902655669513E+22
Space diagonal 49893351.639781

Equilateral Triangle

Length = n
Perimeter 86417820
Area 3.5930622343361E+14
Altitude 24946675.81989

Triangular Pyramid

Length = n
Surface area 3.5930622343361E+14
Volume 2.8169549853799E+21
Height 13579250.341635