28908 (number)

28908 is an even 5-digits composite number following 28907 and preceding 28909. In scientific notation, it is written as 2.8908 × 10^4. The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors. There are 8640 positive integers (up to 28908) that are relatively prime to 28908.

Interesting facts

Basic properties

Name

Name twenty-eight thousand nine hundred eight

Notation

Scientific notation 2.8908 × 10^4
Engineering notation 2.8908 × 10^3

Prime Factorization of 28908

Prime Factorization 2 × 2 × 3 × 3 × 11 × 73

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 4818
Product of the distinct prime numbers

The prime factorization of 28908 is 2 × 2 × 3 × 3 × 11 × 73. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28908)

Multiplication

n×y
n×2 57816
n×3 86724
n×4 115632
n×5 144540

Division

n÷y
n÷2 14454
n÷3 9636
n÷3 7227
n÷5 5781.6

Exponentiation

ny
n2 835672464
n3 24157619589312
n4 698348467087831296
n5 2.0187857486575E+22

Nth Root

y√n
2√n 170.02352778366
3√n 30.690644972553
4√n 13.039307028506
5√n 7.8019580206414

Divisors of 28908

1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 73, 99, 132, 146, 198, 219, 292, 396, 438, 657, 803, 876, 1314, 1606, 2409, 2628, 3212, 4818, 7227, 9636, 14454, 28908

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28908 can be divided by 36 positive divisors. The sum of these divisors (counting 28908) is 1, the average is 0.027777777777778.

Base conversion 28908

Base System Value
2 Binary 111000011101100
3 Ternary 1110122200
4 Quaternary 13003230
5 Quinary 1411113
6 Senary 341500
8 Octal 70354
10 Decimal 28908
12 Duodecimal 14890
16 Hexadecimal 70ec
20 Vigesimal 3c58
36 Base36 mb0

Cryptographic Hash Functions

md5 3603599ee31fce12be0faf0958263356
sha1 24c4da6ac2fdce0a4f3659817762cb024b698b8c
sha256 aeb80ca8e9013c021800424bea5da21e73a9bd39b743c6cd8ee5c9e089bb296f
sha512 209b0a266aae79f349a7c7ad8a56cc8688ce4a1ab1227fe7e1c9af866d825fda998e4328d7da9aba7df80dfa7a4eff00e514467fb11fd2d045a3a26864b2e161
ripemd-160 7256093bf7c0c620fde138e5a07713250f0358b2

28908 as geometric shapes

Circle

Radius = n
Diameter 57816
Circumference 181634.32085995
Area 2625342473.7097

Sphere

Radius = n
Volume 1.0119120030667E+14
Surface area 10501369894.839
Circumference 181634.32085995

Square

Length = n
Perimeter 115632
Area 835672464
Diagonal 40882.085661081

Cube

Length = n
Surface area 5014034784
Volume 24157619589312
Space diagonal 50070.124745201

Equilateral Triangle

Length = n
Perimeter 86724
Area 361856791.53357
Altitude 25035.062372601

Triangular Pyramid

Length = n
Surface area 361856791.53357
Volume 2847002771487.9
Height 13627.361887027