28238725 (number)

28238725 is an odd 8-digits composite number following 28238724 and preceding 28238726. In scientific notation, it is written as 2.8238725 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 22545200 positive integers (up to 28238725) that are relatively prime to 28238725.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-eight thousand seven hundred twenty-five

Notation

Scientific notation 2.8238725 × 10^7
Engineering notation 2.8238725 × 10^6

Prime Factorization of 28238725

Prime Factorization 5 × 5 × 719 × 1571

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5647745
Product of the distinct prime numbers

The prime factorization of 28238725 is 5 × 5 × 719 × 1571. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 46, 52, 699, 639, 5044, 6114, 43274, 58935, 12293, 402664, 3442449, 882438, 96431854, 98463948, 696829932, 210635568, 9874380463, 7983306454

Basic calculations (n = 28238725)

Multiplication

n×y
n×2 56477450
n×3 84716175
n×4 112954900
n×5 141193625

Division

n÷y
n÷2 14119362.5
n÷3 9412908.3333333
n÷3 7059681.25
n÷5 5647745

Exponentiation

ny
n2 797425589625625
n3 2.2518281933401E+22
n4 6.3588757098978E+29
n5 1.7956654248098E+37

Nth Root

y√n
2√n 5314.0121377355
3√n 304.51944389936
4√n 72.897271126809
5√n 30.914983341718

Divisors of 28238725

1, 5, 25, 719, 1571, 3595, 7855, 17975, 39275, 1129549, 5647745, 28238725

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28238724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28238725 can be divided by 12 positive divisors. The sum of these divisors (counting 28238725) is 1, the average is 0.083333333333333.

Base conversion 28238725

Base System Value
2 Binary 1101011101110001110000101
3 Ternary 1222010200020201
4 Quaternary 1223232032011
5 Quinary 24212114400
6 Senary 2445130501
8 Octal 153561605
10 Decimal 28238725
12 Duodecimal 9559a31
16 Hexadecimal 1aee385
20 Vigesimal 8g9gg5
36 Base36 gt951

Cryptographic Hash Functions

md5 b299ec226eed0dc328530c0af920174d
sha1 fb52cd4d8fd9f4d90ef15b37cd44287eeffa9323
sha256 4ffcadd7db9e530ec0bde7fda816c05deef3e222e0d4cbea25f22edd4275238e
sha512 7d3a92c0f9ded5450cf8ecea5a30447c3906aff23e6d293f2b8952b278cd14cfaef8dd4c27c2951a0b81259cce70ebc6552b7b427db8ed0f6baae4bccc371f78
ripemd-160 0b42f6dcc57644fa86e801bc7ab3f996003e2711

28238725 as geometric shapes

Circle

Radius = n
Diameter 56477450
Circumference 177429142.01348
Area 2.5051863741524E+15

Sphere

Radius = n
Volume 9.4324358791248E+22
Surface area 1.0020745496609E+16
Circumference 177429142.01348

Square

Length = n
Perimeter 112954900
Area 797425589625625
Diagonal 39935587.879124

Cube

Length = n
Surface area 4784553537753750
Volume 2.2518281933401E+22
Space diagonal 48910906.440965

Equilateral Triangle

Length = n
Perimeter 84716175
Area 3.4529540912179E+14
Altitude 24455453.220483

Triangular Pyramid

Length = n
Surface area 3.4529540912179E+14
Volume 2.653804975963E+21
Height 13311862.626375