28161801 (number)

28161801 is an odd 8-digits composite number following 28161800 and preceding 28161802. In scientific notation, it is written as 2.8161801 × 10^7. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 18774528 positive integers (up to 28161801) that are relatively prime to 28161801.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8161801 × 10^7
Engineering notation 2.8161801 × 10^6

Prime Factorization of 28161801

Prime Factorization 9 × 3129089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28161801
Product of the distinct prime numbers

The prime factorization of 28161801 is 9 × 3129089. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161801)

Multiplication

n×y
n×2 56323602
n×3 84485403
n×4 112647204
n×5 140809005

Division

n÷y
n÷2 14080900.5
n÷3 9387267
n÷3 7040450.25
n÷5 5632360.2

Exponentiation

ny
n2 793087035563601
n3 2.2334759271222E+22
n4 6.2898704597906E+29
n5 1.771340802044E+37

Nth Root

y√n
2√n 5306.7693562091
3√n 304.24268262926
4√n 72.847576186234
5√n 30.898122101262

Divisors of 28161801

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 -28161800
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 28161801 can be divided by 4 positive divisors. The sum of these divisors (counting 28161801) is 1, the average is 0.25.

Base conversion 28161801

Base System Value
2 Binary 1101011011011011100001001
3 Ternary 1221222202201200
4 Quaternary 1223123130021
5 Quinary 24202134201
6 Senary 2443334413
8 Octal 153333411
10 Decimal 28161801
12 Duodecimal 9521409
16 Hexadecimal 1adb709
20 Vigesimal 8g04a1
36 Base36 grls9

Cryptographic Hash Functions

md5 1f406ba860d4806b2fc69f8ef8e99c01
sha1 8f2bbfebd3ac7160a4ec58c29af8cfd716ec2dbd
sha256 0af5ef11be0c41b7413681c4a0868921cfd746515823b9cda2f3ac0fa859fe3a
sha512 14a5274280b5d4b74e7a619becfacbb7cab1228e9b5dad410aa10275df2a995f919b178f337357dee3de38402dc5163a81efab0b4a9c60169117deab4ff859b2
ripemd-160 85e1f32997ec2936c97efb0593e4f3cfb08869bb

28161801 as geometric shapes

Circle

Radius = n
Diameter 56323602
Circumference 176945814.26692
Area 2.4915564045839E+15

Sphere

Radius = n
Volume 9.3555620861557E+22
Surface area 9.9662256183357E+15
Circumference 176945814.26692

Square

Length = n
Perimeter 112647204
Area 793087035563601
Diagonal 39826800.915052

Cube

Length = n
Surface area 4758522213381606
Volume 2.2334759271222E+22
Space diagonal 48777670.164644

Equilateral Triangle

Length = n
Perimeter 84485403
Area 3.4341676010509E+14
Altitude 24388835.082322

Triangular Pyramid

Length = n
Surface area 3.4341676010509E+14
Volume 2.6321766228084E+21
Height 13275600.305017