28681307 (number)

28681307 is an odd 8-digits composite number following 28681306 and preceding 28681308. In scientific notation, it is written as 2.8681307 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 28669560 positive integers (up to 28681307) that are relatively prime to 28681307.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-one thousand three hundred seven

Notation

Scientific notation 2.8681307 × 10^7
Engineering notation 2.8681307 × 10^6

Prime Factorization of 28681307

Prime Factorization 8287 × 3461

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28681307
Product of the distinct prime numbers

The prime factorization of 28681307 is 8287 × 3461. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28681307)

Multiplication

n×y
n×2 57362614
n×3 86043921
n×4 114725228
n×5 143406535

Division

n÷y
n÷2 14340653.5
n÷3 9560435.6666667
n÷3 7170326.75
n÷5 5736261.4

Exponentiation

ny
n2 822617371228249
n3 2.359374136773E+22
n4 6.7669933944647E+29
n5 1.9408621501362E+37

Nth Root

y√n
2√n 5355.4931612317
3√n 306.1021025704
4√n 73.18123503489
5√n 31.011286810976

Divisors of 28681307

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 -28681306
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 28681307 can be divided by 4 positive divisors. The sum of these divisors (counting 28681307) is 1, the average is 0.25.

Base conversion 28681307

Base System Value
2 Binary 1101101011010010001011011
3 Ternary 1222222011100122
4 Quaternary 1231122101123
5 Quinary 24320300212
6 Senary 2502423455
8 Octal 155322133
10 Decimal 28681307
12 Duodecimal 9731b8b
16 Hexadecimal 1b5a45b
20 Vigesimal 8j5357
36 Base36 h2qmz

Cryptographic Hash Functions

md5 4f7be3bc54b70cf0c43c6d7da38b3a69
sha1 b16828bfe97e59b93e3932e8caa6a27b3e33963a
sha256 08aee743b805ea7e63d79297dc13197d293422e5ccdb4019f5b0466fe96c04b4
sha512 fab069f0c536333706cb6fc0c7555424c96122c93018499722dae7ff8b40f51b57220d86b142e5b4d0181af19d2c511122cdd17e753a4d6b96229453b42939ea
ripemd-160 1e8e86ae09dd18383ef197fb678da99403c8a3a2

28681307 as geometric shapes

Circle

Radius = n
Diameter 57362614
Circumference 180209966.73311
Area 2.584328690166E+15

Sphere

Radius = n
Volume 9.8829232735412E+22
Surface area 1.0337314760664E+16
Circumference 180209966.73311

Square

Length = n
Perimeter 114725228
Area 822617371228249
Diagonal 40561493.345986

Cube

Length = n
Surface area 4935704227369494
Volume 2.359374136773E+22
Space diagonal 49677480.951481

Equilateral Triangle

Length = n
Perimeter 86043921
Area 3.5620377053902E+14
Altitude 24838740.47574

Triangular Pyramid

Length = n
Surface area 3.5620377053902E+14
Volume 2.7805490857806E+21
Height 13520497.781995