28297961 (number)

28297961 is an odd 8-digits composite number following 28297960 and preceding 28297962. In scientific notation, it is written as 2.8297961 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 27749520 positive integers (up to 28297961) that are relatively prime to 28297961.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-seven thousand nine hundred sixty-one

Notation

Scientific notation 2.8297961 × 10^7
Engineering notation 2.8297961 × 10^6

Prime Factorization of 28297961

Prime Factorization 61 × 523 × 887

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28297961
Product of the distinct prime numbers

The prime factorization of 28297961 is 61 × 523 × 887. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28297961)

Multiplication

n×y
n×2 56595922
n×3 84893883
n×4 113191844
n×5 141489805

Division

n÷y
n÷2 14148980.5
n÷3 9432653.6666667
n÷3 7074490.25
n÷5 5659592.2

Exponentiation

ny
n2 800774596757521
n3 2.2660288308835E+22
n4 6.4123995481217E+29
n5 1.8145783232917E+37

Nth Root

y√n
2√n 5319.582784392
3√n 304.73222399014
4√n 72.935470001859
5√n 30.92794246295

Divisors of 28297961

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 -28297960
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 28297961 can be divided by 8 positive divisors. The sum of these divisors (counting 28297961) is 1, the average is 0.125.

Base conversion 28297961

Base System Value
2 Binary 1101011111100101011101001
3 Ternary 1222020200111122
4 Quaternary 1223330223221
5 Quinary 24221013321
6 Senary 2450305025
8 Octal 153745351
10 Decimal 28297961
12 Duodecimal 9588175
16 Hexadecimal 1afcae9
20 Vigesimal 8gh4i1
36 Base36 guiuh

Cryptographic Hash Functions

md5 079973e3f638360b2fe61cf989c84c58
sha1 4f773c3c3b5f691002c5c6490826c2f42bbfcc52
sha256 e9ffc8b4efd14e91c29db8317a93f34a9d33820ab6c93b862caab945232a9c3e
sha512 746e001de479f3d0e327d12172c18d4fedc7f820ce2cef681401e18a2806177d790c3eeb29d69d1127736ae4e07b10e262563096a618c0e9b004128025cf6cc7
ripemd-160 92fe94b40e7c36e583b67161e8ab644f282cb5a9

28297961 as geometric shapes

Circle

Radius = n
Diameter 56595922
Circumference 177801332.77834
Area 2.5157075903548E+15

Sphere

Radius = n
Volume 9.4919193705684E+22
Surface area 1.0062830361419E+16
Circumference 177801332.77834

Square

Length = n
Perimeter 113191844
Area 800774596757521
Diagonal 40019360.233705

Cube

Length = n
Surface area 4804647580545126
Volume 2.2660288308835E+22
Space diagonal 49013506.202603

Equilateral Triangle

Length = n
Perimeter 84893883
Area 3.4674557174863E+14
Altitude 24506753.101301

Triangular Pyramid

Length = n
Surface area 3.4674557174863E+14
Volume 2.6705405878033E+21
Height 13339786.744568