28690908 (number)

28690908 is an even 8-digits composite number following 28690907 and preceding 28690909. In scientific notation, it is written as 2.8690908 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 9563632 positive integers (up to 28690908) that are relatively prime to 28690908.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety thousand nine hundred eight

Notation

Scientific notation 2.8690908 × 10^7
Engineering notation 2.8690908 × 10^6

Prime Factorization of 28690908

Prime Factorization 2 × 2 × 3 × 2390909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14345454
Product of the distinct prime numbers

The prime factorization of 28690908 is 2 × 2 × 3 × 2390909. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 5, 52, 15, 890, 101, 4291, 586, 82783, 58994, 426574, 690495, 8709639, 2755648, 55290805, 54012741, 594754781, 723225351, 324890098, 359353853

Basic calculations (n = 28690908)

Multiplication

n×y
n×2 57381816
n×3 86072724
n×4 114763632
n×5 143454540

Division

n÷y
n÷2 14345454
n÷3 9563636
n÷3 7172727
n÷5 5738181.6

Exponentiation

ny
n2 823168201864464
n3 2.3617443148219E+22
n4 6.7760588856077E+29
n5 1.9441128208955E+37

Nth Root

y√n
2√n 5356.3894555941
3√n 306.13625441268
4√n 73.187358577791
5√n 31.013362724084

Divisors of 28690908

1, 2, 3, 4, 6, 12, 2390909, 4781818, 7172727, 9563636, 14345454, 28690908

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 -28690907
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 28690908 can be divided by 12 positive divisors. The sum of these divisors (counting 28690908) is 1, the average is 0.083333333333333.

Base conversion 28690908

Base System Value
2 Binary 1101101011100100111011100
3 Ternary 1222222122112020
4 Quaternary 1231130213130
5 Quinary 24321102113
6 Senary 2502540140
8 Octal 155344734
10 Decimal 28690908
12 Duodecimal 9737650
16 Hexadecimal 1b5c9dc
20 Vigesimal 8j6758
36 Base36 h2y1o

Cryptographic Hash Functions

md5 64780dc41c89af7308bde60b63479dc0
sha1 2601ffd4d9aa498d35d02798e3e83e2fd8a4f0d4
sha256 23d86f48e2a1470a3726fb5850bbf7abbccb934e13d0a320f74bf652cf209fea
sha512 6a5513e5f9054a6586c6dcdaf01b0760bb106699a93d92d119cf0b7fe9fc338741fd908743aeb0e5f07f454385e75f1c75e85e4c08cdc7b6bf0f50ba423b71b3
ripemd-160 87cf74b6d94ab950322255a0ff2b117bcfcbeb9a

28690908 as geometric shapes

Circle

Radius = n
Diameter 57381816
Circumference 180270291.59524
Area 2.5860591756461E+15

Sphere

Radius = n
Volume 9.8928514521358E+22
Surface area 1.0344236702584E+16
Circumference 180270291.59524

Square

Length = n
Perimeter 114763632
Area 823168201864464
Diagonal 40575071.210399

Cube

Length = n
Surface area 4939009211186784
Volume 2.3617443148219E+22
Space diagonal 49694110.371284

Equilateral Triangle

Length = n
Perimeter 86072724
Area 3.5644228720109E+14
Altitude 24847055.185642

Triangular Pyramid

Length = n
Surface area 3.5644228720109E+14
Volume 2.7833423673989E+21
Height 13525023.7368