28991195 (number)

28991195 is an odd 8-digits composite number following 28991194 and preceding 28991196. In scientific notation, it is written as 2.8991195 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 23173696 positive integers (up to 28991195) that are relatively prime to 28991195.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991195 × 10^7
Engineering notation 2.8991195 × 10^6

Prime Factorization of 28991195

Prime Factorization 5 × 2393 × 2423

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28991195
Product of the distinct prime numbers

The prime factorization of 28991195 is 5 × 2393 × 2423. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991195)

Multiplication

n×y
n×2 57982390
n×3 86973585
n×4 115964780
n×5 144955975

Division

n÷y
n÷2 14495597.5
n÷3 9663731.6666667
n÷3 7247798.75
n÷5 5798239

Exponentiation

ny
n2 840489387528025
n3 2.4366791729256E+22
n4 7.0642241054723E+29
n5 2.0480029856545E+37

Nth Root

y√n
2√n 5384.3472213445
3√n 307.20058545601
4√n 73.378111323095
5√n 31.078011525815

Divisors of 28991195

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 -28991194
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 28991195 can be divided by 8 positive divisors. The sum of these divisors (counting 28991195) is 1, the average is 0.125.

Base conversion 28991195

Base System Value
2 Binary 1101110100101111011011011
3 Ternary 2000112220102222
4 Quaternary 1232211323123
5 Quinary 24410204240
6 Senary 2513214255
8 Octal 156457333
10 Decimal 28991195
12 Duodecimal 986138b
16 Hexadecimal 1ba5edb
20 Vigesimal 913hjf
36 Base36 h9dqz

Cryptographic Hash Functions

md5 ed06186ee93de0fc776739bef8287225
sha1 c4d42a5643703a93cef7ab30f7d69429d6231eb9
sha256 dbb7ab18276870be30120d364d76beab2e22378ee5dc58e549d73c8ec1e102ba
sha512 fa035c70964cafc647577e277a0af31b530e66ad23cefca7458fe3ab22f2a08b37bf0d6229c7bd44d302766dfcb7ee8b403d6859ab30567437c35bcb50d953b5
ripemd-160 d40482ce43748b0ef05baca0f8229a5bc666599b

28991195 as geometric shapes

Circle

Radius = n
Diameter 57982390
Circumference 182157050.46158
Area 2.6404752852782E+15

Sphere

Radius = n
Volume 1.0206737851758E+23
Surface area 1.0561901141113E+16
Circumference 182157050.46158

Square

Length = n
Perimeter 115964780
Area 840489387528025
Diagonal 40999741.158403

Cube

Length = n
Surface area 5042936325168150
Volume 2.4366791729256E+22
Space diagonal 50214222.712137

Equilateral Triangle

Length = n
Perimeter 86973585
Area 3.6394258060525E+14
Altitude 25107111.356068

Triangular Pyramid

Length = n
Surface area 3.6394258060525E+14
Volume 2.8716539445861E+21
Height 13666580.386134