28931790 (number)

28931790 is an even 8-digits composite number following 28931789 and preceding 28931791. In scientific notation, it is written as 2.8931790 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 64 positive divisors. There are 7006720 positive integers (up to 28931790) that are relatively prime to 28931790.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931790 × 10^7
Engineering notation 2.8931790 × 10^6

Prime Factorization of 28931790

Prime Factorization 2 × 51 × 5 × 17 × 71 × 47

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 28931790
Product of the distinct prime numbers

The prime factorization of 28931790 is 2 × 51 × 5 × 17 × 71 × 47. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 8, 44, 57, 60, 828, 5072, 5860, 724, 87902, 443509, 543943, 6448875, 5100674, 79704418, 15653040, 681838747, 973021543, 4291270807, 6271739038

Basic calculations (n = 28931790)

Multiplication

n×y
n×2 57863580
n×3 86795370
n×4 115727160
n×5 144658950

Division

n÷y
n÷2 14465895
n÷3 9643930
n÷3 7232947.5
n÷5 5786358

Exponentiation

ny
n2 837048472604100
n3 2.4217310629203E+22
n4 7.0065014548886E+29
n5 2.0271062872753E+37

Nth Root

y√n
2√n 5378.8279392448
3√n 306.99061676662
4√n 73.340493175631
5√n 31.065264867207

Divisors of 28931790

1, 2, 5, 10, 17, 34, 47, 51, 71, 85, 94, 102, 142, 170, 235, 255, 355, 470, 510, 710, 799, 867, 1207, 1598, 1734, 2397, 2414, 3337, 3621, 3995, 4335, 4794, 6035, 6674, 7242, 7990, 8670, 11985, 12070, 16685, 18105, 23970, 33370, 36210, 40749, 56729, 61557, 81498, 113458, 123114, 170187, 203745, 283645, 307785, 340374, 407490, 567290, 615570, 850935, 1701870, 2893179, 5786358, 14465895, 28931790

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931789
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931790 can be divided by 64 positive divisors. The sum of these divisors (counting 28931790) is 1, the average is 0.015625.

Base conversion 28931790

Base System Value
2 Binary 1101110010111011011001110
3 Ternary 2000102212221210
4 Quaternary 1232113123032
5 Quinary 24401304130
6 Senary 2512035250
8 Octal 156273316
10 Decimal 28931790
12 Duodecimal 9832b26
16 Hexadecimal 1b976ce
20 Vigesimal 90g99a
36 Base36 h83wu

Cryptographic Hash Functions

md5 4d53e9c92468bd6728879048da024d35
sha1 bb30a5123c933c37ebff157ebf1fa7a82d88cd4f
sha256 9afb8798d6081caf4462f8d387b3fcf8c1d584e0b3d16478fb692bbd4a8feaf0
sha512 201ac52153098e31709fa7acd2955b140d8e942195de625c39ad92677ff1b560cd6952f7adf524e70e389ce282e8c1e4ca7231c14b10faa8a854bc4293edcca8
ripemd-160 f39217b96424b394d720a9720bb4bc16c3916c76

28931790 as geometric shapes

Circle

Radius = n
Diameter 57863580
Circumference 181783797.83841
Area 2.6296653322316E+15

Sphere

Radius = n
Volume 1.0144123354987E+23
Surface area 1.0518661328926E+16
Circumference 181783797.83841

Square

Length = n
Perimeter 115727160
Area 837048472604100
Diagonal 40915729.80173

Cube

Length = n
Surface area 5022290835624600
Volume 2.4217310629203E+22
Space diagonal 50111330.233913

Equilateral Triangle

Length = n
Perimeter 86795370
Area 3.6245262073706E+14
Altitude 25055665.116957

Triangular Pyramid

Length = n
Surface area 3.6245262073706E+14
Volume 2.8540374280017E+21
Height 13638576.600577