28402439 (number)

28402439 is an odd 8-digits composite number following 28402438 and preceding 28402440. In scientific notation, it is written as 2.8402439 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 25825536 positive integers (up to 28402439) that are relatively prime to 28402439.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred two thousand four hundred thirty-nine

Notation

Scientific notation 2.8402439 × 10^7
Engineering notation 2.8402439 × 10^6

Prime Factorization of 28402439

Prime Factorization 67 × 13 × 32609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28402439
Product of the distinct prime numbers

The prime factorization of 28402439 is 67 × 13 × 32609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 8, 94, 37, 689, 262, 3717, 3563, 87802, 19818, 460151, 751596, 7860807, 5761063, 10958495, 18719356, 583850285, 550139628, 867758689, 5002556386

Basic calculations (n = 28402439)

Multiplication

n×y
n×2 56804878
n×3 85207317
n×4 113609756
n×5 142012195

Division

n÷y
n÷2 14201219.5
n÷3 9467479.6666667
n÷3 7100609.75
n÷5 5680487.8

Exponentiation

ny
n2 806698541148721
n3 2.2912206106366E+22
n4 6.5076253629147E+29
n5 1.8483243240504E+37

Nth Root

y√n
2√n 5329.3938679741
3√n 305.10679409917
4√n 73.002697676004
5√n 30.95074642441

Divisors of 28402439

1, 13, 67, 871, 32609, 423917, 2184803, 28402439

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28402438
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28402439 can be divided by 8 positive divisors. The sum of these divisors (counting 28402439) is 1, the average is 0.125.

Base conversion 28402439

Base System Value
2 Binary 1101100010110001100000111
3 Ternary 1222102222211012
4 Quaternary 1230112030013
5 Quinary 24232334224
6 Senary 2452432435
8 Octal 154261407
10 Decimal 28402439
12 Duodecimal 961871b
16 Hexadecimal 1b16307
20 Vigesimal 8ha61j
36 Base36 gwrgn

Cryptographic Hash Functions

md5 9976f7becbe07856d9f3b6166041a123
sha1 7df111e340d81adf8a2b42d7110e0d7970f43776
sha256 ef287258700750775e6abd1bdedaf965913ffadbb83cc2a197e816e8006e5f03
sha512 cd6eb1832394ab81d46ad4fb2681f03fc1dde5a628a28baabc5fefd42dde1be1ea049f484b21297fc41ed1cb0d129bb5bbd5a97b7dbc5cca1c38c0d33819e2ad
ripemd-160 523c7a32a406fdf9787bf532ffe9e75696098048

28402439 as geometric shapes

Circle

Radius = n
Diameter 56804878
Circumference 178457787.41286
Area 2.5343182105344E+15

Sphere

Radius = n
Volume 9.5974424508391E+22
Surface area 1.0137272842138E+16
Circumference 178457787.41286

Square

Length = n
Perimeter 113609756
Area 806698541148721
Diagonal 40167114.438275

Cube

Length = n
Surface area 4840191246892326
Volume 2.2912206106366E+22
Space diagonal 49194467.406876

Equilateral Triangle

Length = n
Perimeter 85207317
Area 3.4931071491532E+14
Altitude 24597233.703438

Triangular Pyramid

Length = n
Surface area 3.4931071491532E+14
Volume 2.7002293849591E+21
Height 13389038.146092