28491115 (number)

28491115 is an odd 8-digits composite number following 28491114 and preceding 28491116. In scientific notation, it is written as 2.8491115 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 22792888 positive integers (up to 28491115) that are relatively prime to 28491115.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8491115 × 10^7
Engineering notation 2.8491115 × 10^6

Prime Factorization of 28491115

Prime Factorization 5 × 5698223

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28491115
Product of the distinct prime numbers

The prime factorization of 28491115 is 5 × 5698223. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491115)

Multiplication

n×y
n×2 56982230
n×3 85473345
n×4 113964460
n×5 142455575

Division

n÷y
n÷2 14245557.5
n÷3 9497038.3333333
n÷3 7122778.75
n÷5 5698223

Exponentiation

ny
n2 811743633943225
n3 2.3127481225194E+22
n4 6.5892772724735E+29
n5 1.8773585653693E+37

Nth Root

y√n
2√n 5337.7069046548
3√n 305.4239915267
4√n 73.059611993596
5√n 30.9700487612

Divisors of 28491115

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28491114
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28491115 can be divided by 4 positive divisors. The sum of these divisors (counting 28491115) is 1, the average is 0.25.

Base conversion 28491115

Base System Value
2 Binary 1101100101011110101101011
3 Ternary 1222121111110111
4 Quaternary 1230223311223
5 Quinary 24243203430
6 Senary 2454355151
8 Octal 154536553
10 Decimal 28491115
12 Duodecimal 965bab7
16 Hexadecimal 1b2bd6b
20 Vigesimal 8i17ff
36 Base36 gynvv

Cryptographic Hash Functions

md5 fa9f85cfed350a1cfae11e6028a99ef8
sha1 d8bf9cc68b80ff37c5a54c667a20dd7c5a20f5ff
sha256 3374d7388ef8704c1b1e9491f7a46abab4bd7caf2a5fa6ff93aa1265cf68d97e
sha512 9e972154be46754930b6ad445b1607d96c096faa5f0032e3bb45cd9718279cd9e375aa47b0d5ceea2699e8f8732e174ce1f8d2b9f66133e277d55a31fbfc50bd
ripemd-160 67246333472e0fd8787b6a80c440b0f3647b1c17

28491115 as geometric shapes

Circle

Radius = n
Diameter 56982230
Circumference 179014955.15316
Area 2.5501678369943E+15

Sphere

Radius = n
Volume 9.6876166817475E+22
Surface area 1.0200671347977E+16
Circumference 179014955.15316

Square

Length = n
Perimeter 113964460
Area 811743633943225
Diagonal 40292521.240132

Cube

Length = n
Surface area 4870461803659350
Volume 2.3127481225194E+22
Space diagonal 49348058.744288

Equilateral Triangle

Length = n
Perimeter 85473345
Area 3.5149530417756E+14
Altitude 24674029.372144

Triangular Pyramid

Length = n
Surface area 3.5149530417756E+14
Volume 2.7255998010166E+21
Height 13430840.413377