28991804 (number)

28991804 is an even 8-digits composite number following 28991803 and preceding 28991805. In scientific notation, it is written as 2.8991804 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 13958784 positive integers (up to 28991804) that are relatively prime to 28991804.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991804 × 10^7
Engineering notation 2.8991804 × 10^6

Prime Factorization of 28991804

Prime Factorization 2 × 2 × 43 × 73 × 2309

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14495902
Product of the distinct prime numbers

The prime factorization of 28991804 is 2 × 2 × 43 × 73 × 2309. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 33, 42, 317, 376, 4325, 3389, 13464, 38351, 668204, 568283, 3587859, 1823877, 38825014, 46383620, 691136944, 110583509, 9853435546, 3756232301

Basic calculations (n = 28991804)

Multiplication

n×y
n×2 57983608
n×3 86975412
n×4 115967216
n×5 144959020

Division

n÷y
n÷2 14495902
n÷3 9663934.6666667
n÷3 7247951
n÷5 5798360.8

Exponentiation

ny
n2 840524699174416
n3 2.4368327335624E+22
n4 7.0648176992224E+29
n5 2.0482181003159E+37

Nth Root

y√n
2√n 5384.4037738639
3√n 307.20273649816
4√n 73.378496672144
5√n 31.078142092009

Divisors of 28991804

1, 2, 4, 43, 73, 86, 146, 172, 292, 2309, 3139, 4618, 6278, 9236, 12556, 99287, 168557, 198574, 337114, 397148, 674228, 7247951, 14495902, 28991804

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991803
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991804 can be divided by 24 positive divisors. The sum of these divisors (counting 28991804) is 1, the average is 0.041666666666667.

Base conversion 28991804

Base System Value
2 Binary 1101110100110000100111100
3 Ternary 2000112221021112
4 Quaternary 1232212010330
5 Quinary 24410214204
6 Senary 2513221152
8 Octal 156460474
10 Decimal 28991804
12 Duodecimal 98617b8
16 Hexadecimal 1ba613c
20 Vigesimal 913ja4
36 Base36 h9e7w

Cryptographic Hash Functions

md5 df57613c31f38c67aa0a29cbf2b2eaf7
sha1 d966162cb9ac46625e3938c126a47eae800d35cf
sha256 48b9bd4d9686d7bf0dc8228ef164f00491b25ab9de1a98c79d748b97ac92ad41
sha512 39505b9c9274e9270e49b7c4ab8d368cf65f8496d0ce3df079dc02cca1f0264e9073a554ee339d4684ae867879c353c375f67d5dde1f59109beb6de2c02e0e31
ripemd-160 e4941b823b46bfc83aa71eb2e6531bf7afae6a07

28991804 as geometric shapes

Circle

Radius = n
Diameter 57983608
Circumference 182160876.92143
Area 2.6405862200871E+15

Sphere

Radius = n
Volume 1.0207381085049E+23
Surface area 1.0562344880348E+16
Circumference 182160876.92143

Square

Length = n
Perimeter 115967216
Area 840524699174416
Diagonal 41000602.414463

Cube

Length = n
Surface area 5043148195046496
Volume 2.4368327335624E+22
Space diagonal 50215277.531079

Equilateral Triangle

Length = n
Perimeter 86975412
Area 3.6395787099666E+14
Altitude 25107638.765539

Triangular Pyramid

Length = n
Surface area 3.6395787099666E+14
Volume 2.8718349175322E+21
Height 13666867.471488