28491105 (number)

28491105 is an odd 8-digits composite number following 28491104 and preceding 28491106. In scientific notation, it is written as 2.8491105 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 14824320 positive integers (up to 28491105) that are relatively prime to 28491105.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8491105 × 10^7
Engineering notation 2.8491105 × 10^6

Prime Factorization of 28491105

Prime Factorization 123 × 5 × 46327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28491105
Product of the distinct prime numbers

The prime factorization of 28491105 is 123 × 5 × 46327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491105)

Multiplication

n×y
n×2 56982210
n×3 85473315
n×4 113964420
n×5 142455525

Division

n÷y
n÷2 14245552.5
n÷3 9497035
n÷3 7122776.25
n÷5 5698221

Exponentiation

ny
n2 811743064121025
n3 2.3127456872894E+22
n4 6.5892680214859E+29
n5 1.877355270733E+37

Nth Root

y√n
2√n 5337.7059679229
3√n 305.42395579345
4√n 73.059605582859
5√n 30.970046587185

Divisors of 28491105

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28491104
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28491105 can be divided by 8 positive divisors. The sum of these divisors (counting 28491105) is 1, the average is 0.125.

Base conversion 28491105

Base System Value
2 Binary 1101100101011110101100001
3 Ternary 1222121111110010
4 Quaternary 1230223311201
5 Quinary 24243203410
6 Senary 2454355133
8 Octal 154536541
10 Decimal 28491105
12 Duodecimal 965baa9
16 Hexadecimal 1b2bd61
20 Vigesimal 8i17f5
36 Base36 gynvl

Cryptographic Hash Functions

md5 06d79fcd24f91de4c73e7cfdb164ae22
sha1 bdea90d7d15e5da1bb0b51f68fbacc48b0e92f10
sha256 682aa7afeb84ebf21337fd722985c37d449d13968b305bddde9d61d928d301f3
sha512 b65580dd6638cd1225c2fed9d446ab70bfef671799c617d1168fc03d84ccaffe1e366033f6c3f04591baf0dec45dee605933fd445d0d3d19187cb184445f0f7a
ripemd-160 3078b4988d7d012a9d71ec364b7e0f311d982eff

28491105 as geometric shapes

Circle

Radius = n
Diameter 56982210
Circumference 179014892.32131
Area 2.5501660468451E+15

Sphere

Radius = n
Volume 9.6876064810797E+22
Surface area 1.020066418738E+16
Circumference 179014892.32131

Square

Length = n
Perimeter 113964420
Area 811743064121025
Diagonal 40292507.097996

Cube

Length = n
Surface area 4870458384726150
Volume 2.3127456872894E+22
Space diagonal 49348041.42378

Equilateral Triangle

Length = n
Perimeter 85473315
Area 3.5149505743731E+14
Altitude 24674020.71189

Triangular Pyramid

Length = n
Surface area 3.5149505743731E+14
Volume 2.7255969310704E+21
Height 13430835.699332