28438245 (number)

28438245 is an odd 8-digits composite number following 28438244 and preceding 28438246. In scientific notation, it is written as 2.8438245 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 13582080 positive integers (up to 28438245) that are relatively prime to 28438245.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred thirty-eight thousand two hundred forty-five

Notation

Scientific notation 2.8438245 × 10^7
Engineering notation 2.8438245 × 10^6

Prime Factorization of 28438245

Prime Factorization 5 × 11 × 9 × 73 × 787

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28438245
Product of the distinct prime numbers

The prime factorization of 28438245 is 5 × 11 × 9 × 73 × 787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 8, 12, 23, 783, 662, 3094, 3855, 1759, 17875, 625213, 884464, 9836311, 5307402, 73619841, 30465828, 118293791, 218366655, 7405542364, 28589060

Basic calculations (n = 28438245)

Multiplication

n×y
n×2 56876490
n×3 85314735
n×4 113752980
n×5 142191225

Division

n÷y
n÷2 14219122.5
n÷3 9479415
n÷3 7109561.25
n÷5 5687649

Exponentiation

ny
n2 808733778680025
n3 2.2998969337878E+22
n4 6.5405032477807E+29
n5 1.8600043378368E+37

Nth Root

y√n
2√n 5332.7521037453
3√n 305.23495288512
4√n 73.025694818641
5√n 30.958546205332

Divisors of 28438245

1, 5, 9, 11, 45, 55, 73, 99, 365, 495, 657, 787, 803, 3285, 3935, 4015, 7083, 7227, 8657, 35415, 36135, 43285, 57451, 77913, 287255, 389565, 517059, 631961, 2585295, 3159805, 5687649, 28438245

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28438244
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28438245 can be divided by 32 positive divisors. The sum of these divisors (counting 28438245) is 1, the average is 0.03125.

Base conversion 28438245

Base System Value
2 Binary 1101100011110111011100101
3 Ternary 1222111210221100
4 Quaternary 1230132323211
5 Quinary 24240010440
6 Senary 2453310313
8 Octal 154367345
10 Decimal 28438245
12 Duodecimal 9635399
16 Hexadecimal 1b1eee5
20 Vigesimal 8hefc5
36 Base36 gxj39

Cryptographic Hash Functions

md5 77b03d80a67b3ffddd021ea047ad3c51
sha1 2e5672c6f02dd6596dc61ea4fd382fae83a81ffc
sha256 e5d10c7061d0df86976b2359dcf2025a8ee6de2e4ce61921ab53ef4182c40533
sha512 c63f18f4c6210c3cecf781e9b55b205090a39dd0a830b4dbdbb8ad4a3aea65ca66da5e4afe387ceb06d3c7d8801f9b638ffee8bb446cd8f623608cc6680f888a
ripemd-160 d44c38f4f2f9f4944d1c6250c67705bbce8f0bad

28438245 as geometric shapes

Circle

Radius = n
Diameter 56876490
Circumference 178682763.14597
Area 2.5407120978111E+15

Sphere

Radius = n
Volume 9.6337857482687E+22
Surface area 1.0162848391244E+16
Circumference 178682763.14597

Square

Length = n
Perimeter 113752980
Area 808733778680025
Diagonal 40217751.769089

Cube

Length = n
Surface area 4852402672080150
Volume 2.2998969337878E+22
Space diagonal 49256485.218092

Equilateral Triangle

Length = n
Perimeter 85314735
Area 3.5019199861774E+14
Altitude 24628242.609046

Triangular Pyramid

Length = n
Surface area 3.5019199861774E+14
Volume 2.7104545298525E+21
Height 13405917.256363