28491161 (number)

28491161 is an odd 8-digits composite number following 28491160 and preceding 28491162. In scientific notation, it is written as 2.8491161 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 28147812 positive integers (up to 28491161) that are relatively prime to 28491161.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8491161 × 10^7
Engineering notation 2.8491161 × 10^6

Prime Factorization of 28491161

Prime Factorization 83 × 343267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28491161
Product of the distinct prime numbers

The prime factorization of 28491161 is 83 × 343267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491161)

Multiplication

n×y
n×2 56982322
n×3 85473483
n×4 113964644
n×5 142455805

Division

n÷y
n÷2 14245580.5
n÷3 9497053.6666667
n÷3 7122790.25
n÷5 5698232.2

Exponentiation

ny
n2 811746255127921
n3 2.3127593245997E+22
n4 6.589319827142E+29
n5 1.877373720756E+37

Nth Root

y√n
2√n 5337.7112136196
3√n 305.42415589954
4√n 73.059641482966
5√n 30.97005876166

Divisors of 28491161

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 -28491160
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 28491161 can be divided by 4 positive divisors. The sum of these divisors (counting 28491161) is 1, the average is 0.25.

Base conversion 28491161

Base System Value
2 Binary 1101100101011110110011001
3 Ternary 1222121111112012
4 Quaternary 1230223312121
5 Quinary 24243204121
6 Senary 2454355305
8 Octal 154536631
10 Decimal 28491161
12 Duodecimal 965bb35
16 Hexadecimal 1b2bd99
20 Vigesimal 8i17i1
36 Base36 gynx5

Cryptographic Hash Functions

md5 8e9b7cf81bdf726d8a8739a7237148a0
sha1 0ecbd5e25502ce86cd58bed6c7c69ce023a3341f
sha256 3218e878ceab26d7be37e75a11c58047252034296521338e89542389100f8775
sha512 813c623248ad56a24091397991034f8f231e41c4e9616c6e610649d40662666a20a03f61ebad73702acf90b992fce77f171810ebe8261e2acaf5a35c64932284
ripemd-160 e77844be89d203818d55418afe7690a10b30e56d

28491161 as geometric shapes

Circle

Radius = n
Diameter 56982322
Circumference 179015244.17969
Area 2.5501760716889E+15

Sphere

Radius = n
Volume 9.6876636049115E+22
Surface area 1.0200704286756E+16
Circumference 179015244.17969

Square

Length = n
Perimeter 113964644
Area 811746255127921
Diagonal 40292586.293955

Cube

Length = n
Surface area 4870477530767526
Volume 2.3127593245997E+22
Space diagonal 49348138.418625

Equilateral Triangle

Length = n
Perimeter 85473483
Area 3.5149643918383E+14
Altitude 24674069.209312

Triangular Pyramid

Length = n
Surface area 3.5149643918383E+14
Volume 2.7256130027947E+21
Height 13430862.097985