28804988 (number)

28804988 is an even 8-digits composite number following 28804987 and preceding 28804989. In scientific notation, it is written as 2.8804988 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 13644432 positive integers (up to 28804988) that are relatively prime to 28804988.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred four thousand nine hundred eighty-eight

Notation

Scientific notation 2.8804988 × 10^7
Engineering notation 2.8804988 × 10^6

Prime Factorization of 28804988

Prime Factorization 2 × 2 × 19 × 379013

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14402494
Product of the distinct prime numbers

The prime factorization of 28804988 is 2 × 2 × 19 × 379013. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 37, 99, 798, 322, 1515, 8788, 93452, 34604, 705957, 441256, 9368504, 6161158, 86467481, 97596822, 31850280, 566718994, 7854740088, 1874673322

Basic calculations (n = 28804988)

Multiplication

n×y
n×2 57609976
n×3 86414964
n×4 115219952
n×5 144024940

Division

n÷y
n÷2 14402494
n÷3 9601662.6666667
n÷3 7201247
n÷5 5760997.6

Exponentiation

ny
n2 829727333680144
n3 2.3900285889929E+22
n4 6.8844744825596E+29
n5 1.9830720485644E+37

Nth Root

y√n
2√n 5367.0278553404
3√n 306.54146800742
4√n 73.2600017427
5√n 31.037986487964

Divisors of 28804988

1, 2, 4, 19, 38, 76, 379013, 758026, 1516052, 7201247, 14402494, 28804988

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 -28804987
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 28804988 can be divided by 12 positive divisors. The sum of these divisors (counting 28804988) is 1, the average is 0.083333333333333.

Base conversion 28804988

Base System Value
2 Binary 1101101111000011101111100
3 Ternary 2000012110000102
4 Quaternary 1231320131330
5 Quinary 24333224423
6 Senary 2505220232
8 Octal 155703574
10 Decimal 28804988
12 Duodecimal 9791678
16 Hexadecimal 1b7877c
20 Vigesimal 900c98
36 Base36 h5e2k

Cryptographic Hash Functions

md5 a188c228ec4bc01b3f3f30ce880ddc75
sha1 4fb37faa21b280fe0c9e593d9e7039a27ea1075d
sha256 afcd0081150fb2e77f67549d26051539f7945d868306ae39c12978a73df26b38
sha512 4568efa3c90a94cc4cd9fbdb9aaaa833559866d0d2c91db5d3f305e940406631307cf82b5c40b6de0dcea03a632139bd6a2446e6886b032529aed55462a5bb1f
ripemd-160 dc54db05593188624846f988df25eba8b963cc14

28804988 as geometric shapes

Circle

Radius = n
Diameter 57609976
Circumference 180987077.37508
Area 2.6066652959722E+15

Sphere

Radius = n
Volume 1.0011328342733E+23
Surface area 1.0426661183889E+16
Circumference 180987077.37508

Square

Length = n
Perimeter 115219952
Area 829727333680144
Diagonal 40736404.693594

Cube

Length = n
Surface area 4978364002080864
Volume 2.3900285889929E+22
Space diagonal 49891702.727412

Equilateral Triangle

Length = n
Perimeter 86414964
Area 3.5928247459067E+14
Altitude 24945851.363706

Triangular Pyramid

Length = n
Surface area 3.5928247459067E+14
Volume 2.8166757041776E+21
Height 13578801.564531