28621831 (number)

28621831 is an odd 8-digits composite number following 28621830 and preceding 28621832. In scientific notation, it is written as 2.8621831 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 23868432 positive integers (up to 28621831) that are relatively prime to 28621831.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred twenty-one thousand eight hundred thirty-one

Notation

Scientific notation 2.8621831 × 10^7
Engineering notation 2.8621831 × 10^6

Prime Factorization of 28621831

Prime Factorization 49 × 37 × 15787

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28621831
Product of the distinct prime numbers

The prime factorization of 28621831 is 49 × 37 × 15787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28621831)

Multiplication

n×y
n×2 57243662
n×3 85865493
n×4 114487324
n×5 143109155

Division

n÷y
n÷2 14310915.5
n÷3 9540610.3333333
n÷3 7155457.75
n÷5 5724366.2

Exponentiation

ny
n2 819209209792561
n3 2.3447267556326E+22
n4 6.7110372940895E+29
n5 1.9208217526613E+37

Nth Root

y√n
2√n 5349.9374762702
3√n 305.89036968707
4√n 73.143266786972
5√n 30.998414600479

Divisors of 28621831

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28621830
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28621831 can be divided by 8 positive divisors. The sum of these divisors (counting 28621831) is 1, the average is 0.125.

Base conversion 28621831

Base System Value
2 Binary 1101101001011110000000111
3 Ternary 1222212010202211
4 Quaternary 1231023300013
5 Quinary 24311344311
6 Senary 2501244251
8 Octal 155136007
10 Decimal 28621831
12 Duodecimal 9703687
16 Hexadecimal 1b4bc07
20 Vigesimal 8ihebb
36 Base36 h1gqv

Cryptographic Hash Functions

md5 ab4a272caf12ac6da5097141efb1f92d
sha1 aaae2a3478a20cab24553ad22ef8070d17974250
sha256 ab3deaff3adca1df9c547f0e89da10882fa87fb9dc2d32dffb581b19015d4255
sha512 246b7f80c97241ad9d46a6db69e9d278f79131efdaadca9fbca23d0862f1aeba0992fa9c0635da7ea9d20468edc099e4ade29d3f6ee3e9f4f0fda2348e33d062
ripemd-160 38708da7ae7419a9d53892e08710b717ed479a45

28621831 as geometric shapes

Circle

Radius = n
Diameter 57243662
Circumference 179836268.00378
Area 2.5736216352374E+15

Sphere

Radius = n
Volume 9.8215684668945E+22
Surface area 1.029448654095E+16
Circumference 179836268.00378

Square

Length = n
Perimeter 114487324
Area 819209209792561
Diagonal 40477381.580151

Cube

Length = n
Surface area 4915255258755366
Volume 2.3447267556326E+22
Space diagonal 49574465.49765

Equilateral Triangle

Length = n
Perimeter 85865493
Area 3.5472799334727E+14
Altitude 24787232.748825

Triangular Pyramid

Length = n
Surface area 3.5472799334727E+14
Volume 2.7632869815623E+21
Height 13492460.526717