28991616 (number)

28991616 is an even 8-digits composite number following 28991615 and preceding 28991617. In scientific notation, it is written as 2.8991616 × 10^7. The sum of its digits is 42. It has a total of 10 prime factors and 64 positive divisors. There are 9556992 positive integers (up to 28991616) that are relatively prime to 28991616.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991616 × 10^7
Engineering notation 2.8991616 × 10^6

Prime Factorization of 28991616

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 103 × 733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 452994
Product of the distinct prime numbers

The prime factorization of 28991616 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 103 × 733. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991616)

Multiplication

n×y
n×2 57983232
n×3 86974848
n×4 115966464
n×5 144958080

Division

n÷y
n÷2 14495808
n÷3 9663872
n÷3 7247904
n÷5 5798323.2

Exponentiation

ny
n2 840513798291456
n3 2.4367853282767E+22
n4 7.0646344511833E+29
n5 2.0481516918908E+37

Nth Root

y√n
2√n 5384.3863160067
3√n 307.20207246866
4√n 73.378377714465
5√n 31.078101786095

Divisors of 28991616

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991615
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991616 can be divided by 64 positive divisors. The sum of these divisors (counting 28991616) is 1, the average is 0.015625.

Base conversion 28991616

Base System Value
2 Binary 1101110100110000010000000
3 Ternary 2000112221000120
4 Quaternary 1232212002000
5 Quinary 24410212431
6 Senary 2513220240
8 Octal 156460200
10 Decimal 28991616
12 Duodecimal 9861680
16 Hexadecimal 1ba6080
20 Vigesimal 913j0g
36 Base36 h9e2o

Cryptographic Hash Functions

md5 223599f939b713afb18b5680b363bdd4
sha1 59b20ea6aeaa472194e0e706a04f2664b89b0a1d
sha256 4c055ff12c49aeba0a4c8b11fe325c8d25ed733df9b414b51e8b2a0b4cdb21ad
sha512 ad28c3501869c522f73fd510d0a9bbd1c11e372f4e82c5312d8652be19b25d1e93fc91675ce52b8c08004644ab5bbea9075bbfcd5cd8d07b68a361508b00f526
ripemd-160 a0a20edf18b377b2435f08fd550c9e2a4c5b94e2

28991616 as geometric shapes

Circle

Radius = n
Diameter 57983232
Circumference 182159695.68259
Area 2.6405519739533E+15

Sphere

Radius = n
Volume 1.0207182514253E+23
Surface area 1.0562207895813E+16
Circumference 182159695.68259

Square

Length = n
Perimeter 115966464
Area 840513798291456
Diagonal 41000336.542313

Cube

Length = n
Surface area 5043082789748736
Volume 2.4367853282767E+22
Space diagonal 50214951.905527

Equilateral Triangle

Length = n
Perimeter 86974848
Area 3.6395315077588E+14
Altitude 25107475.952763

Triangular Pyramid

Length = n
Surface area 3.6395315077588E+14
Volume 2.8717790498673E+21
Height 13666778.847438