28709688 (number)

28709688 is an even 8-digits composite number following 28709687 and preceding 28709689. In scientific notation, it is written as 2.8709688 × 10^7. The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors. There are 8202432 positive integers (up to 28709688) that are relatively prime to 28709688.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred nine thousand six hundred eighty-eight

Notation

Scientific notation 2.8709688 × 10^7
Engineering notation 2.8709688 × 10^6

Prime Factorization of 28709688

Prime Factorization 2 × 2 × 2 × 21 × 7 × 24413

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7177422
Product of the distinct prime numbers

The prime factorization of 28709688 is 2 × 2 × 2 × 21 × 7 × 24413. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 3, 37, 43, 820, 671, 2693, 796, 65842, 8897, 412300, 937396, 4190850, 3562907, 91260716, 8276514, 440683359, 604671347, 1086191547, 3433622742

Basic calculations (n = 28709688)

Multiplication

n×y
n×2 57419376
n×3 86129064
n×4 114838752
n×5 143548440

Division

n÷y
n÷2 14354844
n÷3 9569896
n÷3 7177422
n÷5 5741937.6

Exponentiation

ny
n2 824246185057344
n3 2.3663850808187E+22
n4 6.7938177358159E+29
n5 1.9504838752414E+37

Nth Root

y√n
2√n 5358.1422153579
3√n 306.20303497491
4√n 73.199332069069
5√n 31.017421699957

Divisors of 28709688

1, 2, 4, 7, 8, 14, 21, 28, 42, 56, 84, 147, 168, 294, 588, 1176, 24413, 48826, 97652, 170891, 195304, 341782, 512673, 683564, 1025346, 1367128, 2050692, 3588711, 4101384, 7177422, 14354844, 28709688

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28709687
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28709688 can be divided by 32 positive divisors. The sum of these divisors (counting 28709688) is 1, the average is 0.03125.

Base conversion 28709688

Base System Value
2 Binary 1101101100001001100111000
3 Ternary 2000000121021210
4 Quaternary 1231201030320
5 Quinary 24322202223
6 Senary 2503203120
8 Octal 155411470
10 Decimal 28709688
12 Duodecimal 97464a0
16 Hexadecimal 1b61338
20 Vigesimal 8j8e48
36 Base36 h3cjc

Cryptographic Hash Functions

md5 863b45002ac3f23f90964a26dc5121c8
sha1 52b91f6b0326bc324439ec40871400f9c36a0abd
sha256 93c7bc554d9da573cc6f2f8841af9de4295be3b2bb61bd0c2b8b19d8b5879164
sha512 9a35266caca3074e403b05c263952bf22a6886305f8e2ee84baf41f7669f32fa50d14f00ad5e49d27792759adc9dc9125e8ac12b8ededcaf746eb853eacf5cf5
ripemd-160 8185b37de7c2c619a9d2861ca7a4190a37331e33

28709688 as geometric shapes

Circle

Radius = n
Diameter 57419376
Circumference 180388289.81531
Area 2.5894457597256E+15

Sphere

Radius = n
Volume 9.9122906472859E+22
Surface area 1.0357783038902E+16
Circumference 180388289.81531

Square

Length = n
Perimeter 114838752
Area 824246185057344
Diagonal 40601630.1411

Cube

Length = n
Surface area 4945477110344064
Volume 2.3663850808187E+22
Space diagonal 49726638.285451

Equilateral Triangle

Length = n
Perimeter 86129064
Area 3.5690906761603E+14
Altitude 24863319.142725

Triangular Pyramid

Length = n
Surface area 3.5690906761603E+14
Volume 2.7888115625759E+21
Height 13533876.7137