28687628 (number)

28687628 is an even 8-digits composite number following 28687627 and preceding 28687629. In scientific notation, it is written as 2.8687628 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 14073072 positive integers (up to 28687628) that are relatively prime to 28687628.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-seven thousand six hundred twenty-eight

Notation

Scientific notation 2.8687628 × 10^7
Engineering notation 2.8687628 × 10^6

Prime Factorization of 28687628

Prime Factorization 2 × 2 × 53 × 135319

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14343814
Product of the distinct prime numbers

The prime factorization of 28687628 is 2 × 2 × 53 × 135319. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 10, 48, 160, 600, 4024, 619, 74754, 98805, 503336, 649544, 8050432, 7402086, 44296028, 63345244, 601943260, 945909656, 9201638674, 1028702339

Basic calculations (n = 28687628)

Multiplication

n×y
n×2 57375256
n×3 86062884
n×4 114750512
n×5 143438140

Division

n÷y
n÷2 14343814
n÷3 9562542.6666667
n÷3 7171907
n÷5 5737525.6

Exponentiation

ny
n2 822980000266384
n3 2.3609344099082E+22
n4 6.7729608083846E+29
n5 1.9430018012952E+37

Nth Root

y√n
2√n 5356.0832704505
3√n 306.12458793886
4√n 73.185266758075
5√n 31.012653590153

Divisors of 28687628

1, 2, 4, 53, 106, 212, 135319, 270638, 541276, 7171907, 14343814, 28687628

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 -28687627
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 28687628 can be divided by 12 positive divisors. The sum of these divisors (counting 28687628) is 1, the average is 0.083333333333333.

Base conversion 28687628

Base System Value
2 Binary 1101101011011110100001100
3 Ternary 1222222111000202
4 Quaternary 1231123310030
5 Quinary 24321001003
6 Senary 2502513032
8 Octal 155336414
10 Decimal 28687628
12 Duodecimal 9735778
16 Hexadecimal 1b5bd0c
20 Vigesimal 8j5j18
36 Base36 h2vik

Cryptographic Hash Functions

md5 53883e27a569a2e86313c229308e1eb0
sha1 e456f923886f16ff85dd6bfc1741f35bc44e0608
sha256 b0f67683d521044adaf2951c0aac15880a5c07ccb9e78eced2fe0f5f3d4a311b
sha512 7b836a9d95160ed31a05cc72512b3553757740a500872f5fbfde55995f78f3ac945906a3cd1d941bc5556b890da14a6a20e9b25434c18d2e0bdd5c3a8d09b07e
ripemd-160 84402e6852175a4b398efc72e37d4ebf86886e6b

28687628 as geometric shapes

Circle

Radius = n
Diameter 57375256
Circumference 180249682.74743
Area 2.5854679228882E+15

Sphere

Radius = n
Volume 9.8894589303666E+22
Surface area 1.0341871691553E+16
Circumference 180249682.74743

Square

Length = n
Perimeter 114750512
Area 822980000266384
Diagonal 40570432.589914

Cube

Length = n
Surface area 4937880001598304
Volume 2.3609344099082E+22
Space diagonal 49688429.244636

Equilateral Triangle

Length = n
Perimeter 86062884
Area 3.5636079351861E+14
Altitude 24844214.622318

Triangular Pyramid

Length = n
Surface area 3.5636079351861E+14
Volume 2.7823878853046E+21
Height 13523477.529971