28931725 (number)

28931725 is an odd 8-digits composite number following 28931724 and preceding 28931726. In scientific notation, it is written as 2.8931725 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 22435200 positive integers (up to 28931725) that are relatively prime to 28931725.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand seven hundred twenty-five

Notation

Scientific notation 2.8931725 × 10^7
Engineering notation 2.8931725 × 10^6

Prime Factorization of 28931725

Prime Factorization 5 × 5 × 73 × 191 × 83

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5786345
Product of the distinct prime numbers

The prime factorization of 28931725 is 5 × 5 × 73 × 191 × 83. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 57, 36, 557, 827, 6772, 7691, 64361, 44806, 88853, 180009, 1103539, 3974330, 91387644, 53047849, 23048573, 544773703, 593813207, 1731102550

Basic calculations (n = 28931725)

Multiplication

n×y
n×2 57863450
n×3 86795175
n×4 115726900
n×5 144658625

Division

n÷y
n÷2 14465862.5
n÷3 9643908.3333333
n÷3 7232931.25
n÷5 5786345

Exponentiation

ny
n2 837044711475625
n3 2.4217147405117E+22
n4 7.0064384900931E+29
n5 2.0270835162479E+37

Nth Root

y√n
2√n 5378.8218970328
3√n 306.9903868649
4√n 73.340451982742
5√n 31.065250908554

Divisors of 28931725

1, 5, 25, 73, 83, 191, 365, 415, 955, 1825, 2075, 4775, 6059, 13943, 15853, 30295, 69715, 79265, 151475, 348575, 396325, 1157269, 5786345, 28931725

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931725 can be divided by 24 positive divisors. The sum of these divisors (counting 28931725) is 1, the average is 0.041666666666667.

Base conversion 28931725

Base System Value
2 Binary 1101110010111011010001101
3 Ternary 2000102212212101
4 Quaternary 1232113122031
5 Quinary 24401303400
6 Senary 2512035101
8 Octal 156273215
10 Decimal 28931725
12 Duodecimal 9832a91
16 Hexadecimal 1b9768d
20 Vigesimal 90g965
36 Base36 h83v1

Cryptographic Hash Functions

md5 a3580f67b409442dbb2b2483f57c39ed
sha1 8ab96a34fe97d315c481b4b704f7618c1b9a1d18
sha256 a1e0561073a114d28d8601c1073615863ab7733a6c714b816dac3897833b48fb
sha512 fb7bdd9fe883278efd4562d7baf1ada7761106b691e2f2897b0bc6d31c36fd7612f58f0e04ef32d1d74fc7aabcb8506b02f17db25863615a75664b3f037c52eb
ripemd-160 588befc1dc5d1a9bae8f4174a591e1df0ff359d6

28931725 as geometric shapes

Circle

Radius = n
Diameter 57863450
Circumference 181783389.43136
Area 2.629653516298E+15

Sphere

Radius = n
Volume 1.0144054983842E+23
Surface area 1.0518614065192E+16
Circumference 181783389.43136

Square

Length = n
Perimeter 115726900
Area 837044711475625
Diagonal 40915637.877849

Cube

Length = n
Surface area 5022268268853750
Volume 2.4217147405117E+22
Space diagonal 50111217.650611

Equilateral Triangle

Length = n
Perimeter 86795175
Area 3.6245099212065E+14
Altitude 25055608.825305

Triangular Pyramid

Length = n
Surface area 3.6245099212065E+14
Volume 2.8540181918588E+21
Height 13638545.959283