28691121 (number)

28691121 is an odd 8-digits composite number following 28691120 and preceding 28691122. In scientific notation, it is written as 2.8691121 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 16450560 positive integers (up to 28691121) that are relatively prime to 28691121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8691121 × 10^7
Engineering notation 2.8691121 × 10^6

Prime Factorization of 28691121

Prime Factorization 17 × 29 × 3 × 19 × 1021

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28691121
Product of the distinct prime numbers

The prime factorization of 28691121 is 17 × 29 × 3 × 19 × 1021. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 3, 12, 95, 690, 679, 5561, 1946, 76997, 38702, 452228, 515711, 16589, 4352863, 27584460, 31608310, 735745842, 623409937, 5730701441, 5875037365

Basic calculations (n = 28691121)

Multiplication

n×y
n×2 57382242
n×3 86073363
n×4 114764484
n×5 143455605

Division

n÷y
n÷2 14345560.5
n÷3 9563707
n÷3 7172780.25
n÷5 5738224.2

Exponentiation

ny
n2 823180424236641
n3 2.3617969156605E+22
n4 6.7762601084642E+29
n5 1.9441849869942E+37

Nth Root

y√n
2√n 5356.4093383534
3√n 306.13701199136
4√n 73.187494412321
5√n 31.013408772307

Divisors of 28691121

1, 3, 17, 19, 29, 51, 57, 87, 323, 493, 551, 969, 1021, 1479, 1653, 3063, 9367, 17357, 19399, 28101, 29609, 52071, 58197, 88827, 329783, 503353, 562571, 989349, 1510059, 1687713, 9563707, 28691121

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28691120
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28691121 can be divided by 32 positive divisors. The sum of these divisors (counting 28691121) is 1, the average is 0.03125.

Base conversion 28691121

Base System Value
2 Binary 1101101011100101010110001
3 Ternary 1222222122211010
4 Quaternary 1231130222301
5 Quinary 24321103441
6 Senary 2502541133
8 Octal 155345261
10 Decimal 28691121
12 Duodecimal 97377a9
16 Hexadecimal 1b5cab1
20 Vigesimal 8j67g1
36 Base36 h2y7l

Cryptographic Hash Functions

md5 8d44be3cc4475d1249541962d5c0caa1
sha1 97e7e81925e63b8fdaa2212785a2ca7fdd8c7d8b
sha256 0cbcea888fd0fa5cd4ded5f98150d62f4f6b810265a80a943b6296b2bdaa034d
sha512 963276f50f27ce068f54db5ea8acb94fa4d48a461e985ac10bfd321a73c945f980e28fa3d83ca00b6bc336f502b86d7bbaaa4552d7c95ee5f9b4617fe4925bd7
ripemd-160 ace891e95523ffb926431f1ba807e3c61517806f

28691121 as geometric shapes

Circle

Radius = n
Diameter 57382242
Circumference 180271629.91371
Area 2.5860975733608E+15

Sphere

Radius = n
Volume 9.8930717860133E+22
Surface area 1.0344390293443E+16
Circumference 180271629.91371

Square

Length = n
Perimeter 114764484
Area 823180424236641
Diagonal 40575372.437888

Cube

Length = n
Surface area 4939082545419846
Volume 2.3617969156605E+22
Space diagonal 49694479.298106

Equilateral Triangle

Length = n
Perimeter 86073363
Area 3.5644757964349E+14
Altitude 24847239.649053

Triangular Pyramid

Length = n
Surface area 3.5644757964349E+14
Volume 2.7834043580817E+21
Height 13525124.145963