28991544 (number)

28991544 is an even 8-digits composite number following 28991543 and preceding 28991545. In scientific notation, it is written as 2.8991544 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 16 positive divisors. There are 9663840 positive integers (up to 28991544) that are relatively prime to 28991544.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand five hundred forty-four

Notation

Scientific notation 2.8991544 × 10^7
Engineering notation 2.8991544 × 10^6

Prime Factorization of 28991544

Prime Factorization 2 × 2 × 2 × 3 × 1207981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7247886
Product of the distinct prime numbers

The prime factorization of 28991544 is 2 × 2 × 2 × 3 × 1207981. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 55, 28, 654, 349, 7708, 3600, 63364, 24393, 894652, 37071, 1374713, 2408876, 27405128, 74619272, 341911920, 587750091, 373141323, 7672098015

Basic calculations (n = 28991544)

Multiplication

n×y
n×2 57983088
n×3 86974632
n×4 115966176
n×5 144957720

Division

n÷y
n÷2 14495772
n÷3 9663848
n÷3 7247886
n÷5 5798308.8

Exponentiation

ny
n2 840509623503936
n3 2.4367671732238E+22
n4 7.0645642720273E+29
n5 2.0481262593331E+37

Nth Root

y√n
2√n 5384.3796300038
3√n 307.20181815873
4√n 73.378332156051
5√n 31.078086349731

Divisors of 28991544

1, 2, 3, 4, 6, 8, 12, 24, 1207981, 2415962, 3623943, 4831924, 7247886, 9663848, 14495772, 28991544

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991543
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991544 can be divided by 16 positive divisors. The sum of these divisors (counting 28991544) is 1, the average is 0.0625.

Base conversion 28991544

Base System Value
2 Binary 1101110100110000000111000
3 Ternary 2000112220220220
4 Quaternary 1232212000320
5 Quinary 24410212134
6 Senary 2513220040
8 Octal 156460070
10 Decimal 28991544
12 Duodecimal 9861620
16 Hexadecimal 1ba6038
20 Vigesimal 913ih4
36 Base36 h9e0o

Cryptographic Hash Functions

md5 e8fc5382a04d0d6731bae4b4d2b4cc29
sha1 14378e1f64a64d023bb054c6d8104b82b9f44ac1
sha256 ded0892b0fe788afbc6206b670ff6f4d8d5288c433482b2f3081ca6a2a02fe1b
sha512 92783f330d60d9aafecf6ab8f370763aa37653e9bdb9053f1c1c327afeca207de4b02ebeb1df891c904b7e3dd3de71ac933b2a4a8130facc58c47a6dce28ac6c
ripemd-160 40131fbba88df97a8edb38471710c3efeaf3cb62

28991544 as geometric shapes

Circle

Radius = n
Diameter 57983088
Circumference 182159243.29325
Area 2.6405388584715E+15

Sphere

Radius = n
Volume 1.0207106466545E+23
Surface area 1.0562155433886E+16
Circumference 182159243.29325

Square

Length = n
Perimeter 115966176
Area 840509623503936
Diagonal 41000234.718936

Cube

Length = n
Surface area 5043057741023616
Volume 2.4367671732238E+22
Space diagonal 50214827.197869

Equilateral Triangle

Length = n
Perimeter 86974632
Area 3.6395134303985E+14
Altitude 25107413.598934

Triangular Pyramid

Length = n
Surface area 3.6395134303985E+14
Volume 2.8717576539322E+21
Height 13666744.906312