28662021 (number)

28662021 is an odd 8-digits composite number following 28662020 and preceding 28662022. In scientific notation, it is written as 2.8662021 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 19037376 positive integers (up to 28662021) that are relatively prime to 28662021.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-two thousand twenty-one

Notation

Scientific notation 2.8662021 × 10^7
Engineering notation 2.8662021 × 10^6

Prime Factorization of 28662021

Prime Factorization 3 × 3 × 277 × 11497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9554007
Product of the distinct prime numbers

The prime factorization of 28662021 is 3 × 3 × 277 × 11497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 100, 12, 290, 425, 9554, 114, 33824, 53622, 361709, 288649, 6235648, 4334221, 61058774, 58359495, 559245088, 21584844, 3475768685, 8502960893

Basic calculations (n = 28662021)

Multiplication

n×y
n×2 57324042
n×3 85986063
n×4 114648084
n×5 143310105

Division

n÷y
n÷2 14331010.5
n÷3 9554007
n÷3 7165505.25
n÷5 5732404.2

Exponentiation

ny
n2 821511447804441
n3 2.3546178368711E+22
n4 6.7488105887375E+29
n5 1.9343455081942E+37

Nth Root

y√n
2√n 5353.692277298
3√n 306.03347704995
4√n 73.168929726339
5√n 31.007115141891

Divisors of 28662021

1, 3, 9, 277, 831, 2493, 11497, 34491, 103473, 3184669, 9554007, 28662021

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 -28662020
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 28662021 can be divided by 12 positive divisors. The sum of these divisors (counting 28662021) is 1, the average is 0.083333333333333.

Base conversion 28662021

Base System Value
2 Binary 1101101010101100100000101
3 Ternary 1222221011220100
4 Quaternary 1231111210011
5 Quinary 24314141041
6 Senary 2502154313
8 Octal 155254405
10 Decimal 28662021
12 Duodecimal 9722999
16 Hexadecimal 1b55905
20 Vigesimal 8j2f11
36 Base36 h2br9

Cryptographic Hash Functions

md5 d7334db60ec67abf2a52ac07c7e309ce
sha1 2a72b3efb7ce2799f41b840db48fb17a5255782b
sha256 03373c778390c9c735a713b5bb465bc3e39c2f3ee382364d6f97726325867535
sha512 a8fccf36b717c3cc13fa339c37f5711fff29c506a0f26692c21a917950d122e27915b23f49e35c4a68e51063674b4db3d6f7813bb4639c9c4edf297c04a5eb37
ripemd-160 ecc98a5f88f7f40dc9cd211deee0a74ffd466c9a

28662021 as geometric shapes

Circle

Radius = n
Diameter 57324042
Circumference 180088789.22127
Area 2.5808543292623E+15

Sphere

Radius = n
Volume 9.8630001311011E+22
Surface area 1.0323417317049E+16
Circumference 180088789.22127

Square

Length = n
Perimeter 114648084
Area 821511447804441
Diagonal 40534218.823222

Cube

Length = n
Surface area 4929068686826646
Volume 2.3546178368711E+22
Space diagonal 49644076.619606

Equilateral Triangle

Length = n
Perimeter 85986063
Area 3.5572489164919E+14
Altitude 24822038.309803

Triangular Pyramid

Length = n
Surface area 3.5572489164919E+14
Volume 2.7749437325906E+21
Height 13511406.274407