28931270 (number)

28931270 is an even 8-digits composite number following 28931269 and preceding 28931271. In scientific notation, it is written as 2.8931270 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors. There are 10999296 positive integers (up to 28931270) that are relatively prime to 28931270.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand two hundred seventy

Notation

Scientific notation 2.8931270 × 10^7
Engineering notation 2.8931270 × 10^6

Prime Factorization of 28931270

Prime Factorization 2 × 5 × 67 × 29 × 1489

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28931270
Product of the distinct prime numbers

The prime factorization of 28931270 is 2 × 5 × 67 × 29 × 1489. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931270)

Multiplication

n×y
n×2 57862540
n×3 86793810
n×4 115725080
n×5 144656350

Division

n÷y
n÷2 14465635
n÷3 9643756.6666667
n÷3 7232817.5
n÷5 5786254

Exponentiation

ny
n2 837018383812900
n3 2.4216004857055E+22
n4 7.0059977484076E+29
n5 2.0269241247857E+37

Nth Root

y√n
2√n 5378.7796013594
3√n 306.9887775432
4√n 73.340163630574
5√n 31.065153197284

Divisors of 28931270

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 -28931269
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 28931270 can be divided by 32 positive divisors. The sum of these divisors (counting 28931270) is 1, the average is 0.03125.

Base conversion 28931270

Base System Value
2 Binary 1101110010111010011000110
3 Ternary 2000102212020112
4 Quaternary 1232113103012
5 Quinary 24401300040
6 Senary 2512033022
8 Octal 156272306
10 Decimal 28931270
12 Duodecimal 9832772
16 Hexadecimal 1b974c6
20 Vigesimal 90g83a
36 Base36 h83ie

Cryptographic Hash Functions

md5 1d9c821f9dced9c5137d43e656a123b9
sha1 ab7cdb7d70f71632eb86db743b107b3960b7baa5
sha256 dcf63392a7b598c77f6f4ed572b21b9b4638794dbc4bdeef0c540d8a35a4964e
sha512 3ca0f6f8b8db1e35508ba1a407266252fbdd2d552e13b5d15938920f07144b2e5bfee5b519329c8d4fa8ad7c07f706d6040f762d37a94847272a8963e06ca84d
ripemd-160 ee3cc4da286927a12d9aaf54a02e8f2919bd78ad

28931270 as geometric shapes

Circle

Radius = n
Diameter 57862540
Circumference 181780530.58205
Area 2.6295708055062E+15

Sphere

Radius = n
Volume 1.0143576394429E+23
Surface area 1.0518283222025E+16
Circumference 181780530.58205

Square

Length = n
Perimeter 115725080
Area 837018383812900
Diagonal 40914994.410678

Cube

Length = n
Surface area 5022110302877400
Volume 2.4216004857055E+22
Space diagonal 50110429.567493

Equilateral Triangle

Length = n
Perimeter 86793810
Area 3.6243959190828E+14
Altitude 25055214.783747

Triangular Pyramid

Length = n
Surface area 3.6243959190828E+14
Volume 2.8538835412783E+21
Height 13638331.470226