28709898 (number)

28709898 is an even 8-digits composite number following 28709897 and preceding 28709899. In scientific notation, it is written as 2.8709898 × 10^7. The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors. There are 8171328 positive integers (up to 28709898) that are relatively prime to 28709898.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred nine thousand eight hundred ninety-eight

Notation

Scientific notation 2.8709898 × 10^7
Engineering notation 2.8709898 × 10^6

Prime Factorization of 28709898

Prime Factorization 2 × 21 × 293 × 2333

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28709898
Product of the distinct prime numbers

The prime factorization of 28709898 is 2 × 21 × 293 × 2333. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28709898)

Multiplication

n×y
n×2 57419796
n×3 86129694
n×4 114839592
n×5 143549490

Division

n÷y
n÷2 14354949
n÷3 9569966
n÷3 7177474.5
n÷5 5741979.6

Exponentiation

ny
n2 824258243170404
n3 2.3664370087081E+22
n4 6.7940165143436E+29
n5 1.9505552113712E+37

Nth Root

y√n
2√n 5358.1618116664
3√n 306.20378155774
4√n 73.199465924735
5√n 31.017467075856

Divisors of 28709898

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28709897
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28709898 can be divided by 16 positive divisors. The sum of these divisors (counting 28709898) is 1, the average is 0.0625.

Base conversion 28709898

Base System Value
2 Binary 1101101100001010000001010
3 Ternary 2000000121120120
4 Quaternary 1231201100022
5 Quinary 24322204043
6 Senary 2503204110
8 Octal 155412012
10 Decimal 28709898
12 Duodecimal 9746636
16 Hexadecimal 1b6140a
20 Vigesimal 8j8eei
36 Base36 h3cp6

Cryptographic Hash Functions

md5 6d7a81ad31033a5107cbdbdc0fb2259f
sha1 63395dd606c55cee33f174dd341892579182882d
sha256 6bdcb804205ab6e9ae5e2d2e28721a150729495025cd07da0c5baa507f5b543b
sha512 159ad545874c12d2076525cd52a0a6842daf9372942cb76a1b26d2198c444ca12c3f11d3ff86199df00bd64bb91fe8add24ba2f910eb09c8ec26c124ed535ec2
ripemd-160 c8feaf0c74ee50d573506f5977b29e094753475c

28709898 as geometric shapes

Circle

Radius = n
Diameter 57419796
Circumference 180389609.28422
Area 2.589483641405E+15

Sphere

Radius = n
Volume 9.9125081623207E+22
Surface area 1.035793456562E+16
Circumference 180389609.28422

Square

Length = n
Perimeter 114839592
Area 824258243170404
Diagonal 40601927.125948

Cube

Length = n
Surface area 4945549459022424
Volume 2.3664370087081E+22
Space diagonal 49727002.01612

Equilateral Triangle

Length = n
Perimeter 86129694
Area 3.5691428893215E+14
Altitude 24863501.00806

Triangular Pyramid

Length = n
Surface area 3.5691428893215E+14
Volume 2.7888727601806E+21
Height 13533975.708649