28131207 (number)

28131207 is an odd 8-digits composite number following 28131206 and preceding 28131208. In scientific notation, it is written as 2.8131207 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 16588800 positive integers (up to 28131207) that are relatively prime to 28131207.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-one thousand two hundred seven

Notation

Scientific notation 2.8131207 × 10^7
Engineering notation 2.8131207 × 10^6

Prime Factorization of 28131207

Prime Factorization 73 × 3 × 533 × 241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28131207
Product of the distinct prime numbers

The prime factorization of 28131207 is 73 × 3 × 533 × 241. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28131207)

Multiplication

n×y
n×2 56262414
n×3 84393621
n×4 112524828
n×5 140656035

Division

n÷y
n÷2 14065603.5
n÷3 9377069
n÷3 7032801.75
n÷5 5626241.4

Exponentiation

ny
n2 791364807276849
n3 2.226204720602E+22
n4 6.2625825819632E+29
n5 1.761740069678E+37

Nth Root

y√n
2√n 5303.8860281873
3√n 304.13246982365
4√n 72.82778335352
5√n 30.891405853316

Divisors of 28131207

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 -28131206
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 28131207 can be divided by 16 positive divisors. The sum of these divisors (counting 28131207) is 1, the average is 0.0625.

Base conversion 28131207

Base System Value
2 Binary 1101011010011111110000111
3 Ternary 1221221012202120
4 Quaternary 1223103332013
5 Quinary 24200144312
6 Senary 2442541023
8 Octal 153237607
10 Decimal 28131207
12 Duodecimal 9507773
16 Hexadecimal 1ad3f87
20 Vigesimal 8fg807
36 Base36 gqy6f

Cryptographic Hash Functions

md5 4032ba3c7788eda8d2b7ac8c66e90e3b
sha1 ce4f2a77c2e2e977bad04f507562c7b9165940fe
sha256 e009d00368b202885f3e884acedffb243768600fae43abd76d6614599074a81a
sha512 a152c025018f779298be05a7cb9982fce189491431af07fdfe9f934cf18099a93ee08f94037da79f7bd1852de779a0662d25a94c4df5f7b3008dbcda27d8b56c
ripemd-160 9f5a5504179e957ed942115119dbf8b2b4d06bfe

28131207 as geometric shapes

Circle

Radius = n
Diameter 56262414
Circumference 176753586.49563
Area 2.4861458648505E+15

Sphere

Radius = n
Volume 9.3251045275069E+22
Surface area 9.9445834594018E+15
Circumference 176753586.49563

Square

Length = n
Perimeter 112524828
Area 791364807276849
Diagonal 39783534.465325

Cube

Length = n
Surface area 4748188843661094
Volume 2.226204720602E+22
Space diagonal 48724679.802237

Equilateral Triangle

Length = n
Perimeter 84393621
Area 3.4267101338136E+14
Altitude 24362339.901119

Triangular Pyramid

Length = n
Surface area 3.4267101338136E+14
Volume 2.6236074237453E+21
Height 13261178.155108