28291291 (number)

28291291 is an odd 8-digits composite number following 28291290 and preceding 28291292. In scientific notation, it is written as 2.8291291 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 23514624 positive integers (up to 28291291) that are relatively prime to 28291291.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred ninety-one thousand two hundred ninety-one

Notation

Scientific notation 2.8291291 × 10^7
Engineering notation 2.8291291 × 10^6

Prime Factorization of 28291291

Prime Factorization 7 × 43 × 193 × 487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28291291
Product of the distinct prime numbers

The prime factorization of 28291291 is 7 × 43 × 193 × 487. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 52, 70, 78, 277, 7014, 8593, 25805, 31390, 772223, 627280, 4534879, 9669886, 68479416, 55554594, 255119677, 917688689, 4197075467, 6222329002

Basic calculations (n = 28291291)

Multiplication

n×y
n×2 56582582
n×3 84873873
n×4 113165164
n×5 141456455

Division

n÷y
n÷2 14145645.5
n÷3 9430430.3333333
n÷3 7072822.75
n÷5 5658258.2

Exponentiation

ny
n2 800397146446681
n3 2.2644268585693E+22
n4 6.4063559203999E+29
n5 1.8124407959361E+37

Nth Root

y√n
2√n 5318.9558185794
3√n 304.70827970135
4√n 72.931171789431
5√n 30.926484344972

Divisors of 28291291

1, 7, 43, 193, 301, 487, 1351, 3409, 8299, 20941, 58093, 93991, 146587, 657937, 4041613, 28291291

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 -28291290
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 28291291 can be divided by 16 positive divisors. The sum of these divisors (counting 28291291) is 1, the average is 0.0625.

Base conversion 28291291

Base System Value
2 Binary 1101011111011000011011011
3 Ternary 1222020100100121
4 Quaternary 1223323003123
5 Quinary 24220310131
6 Senary 2450214111
8 Octal 153730333
10 Decimal 28291291
12 Duodecimal 9584337
16 Hexadecimal 1afb0db
20 Vigesimal 8gg84b
36 Base36 gudp7

Cryptographic Hash Functions

md5 6b7431d70e77ec4300d9205462321d57
sha1 84230bb8a845ae58484fa6d6b3558bb352b232d7
sha256 cc70512d3346e5c517e70c9f036ee85adb6ca5c5bb9335bbb99df8a6e09ec9b1
sha512 56bee9e5f8d230d306add5b7c353c10c7c28d32634d65d76ea0ada5bb97b879b5773b274e9212c1e223046c752bf706f84fa7a75be12929a384e95296e292635
ripemd-160 6b7f73678903401944d4cf5aa55112eb1d758ab7

28291291 as geometric shapes

Circle

Radius = n
Diameter 56582582
Circumference 177759423.93234
Area 2.5145217952311E+15

Sphere

Radius = n
Volume 9.4852090446302E+22
Surface area 1.0058087180925E+16
Circumference 177759423.93234

Square

Length = n
Perimeter 113165164
Area 800397146446681
Diagonal 40009927.429244

Cube

Length = n
Surface area 4802382878680086
Volume 2.2644268585693E+22
Space diagonal 49001953.423716

Equilateral Triangle

Length = n
Perimeter 84873873
Area 3.465821309697E+14
Altitude 24500976.711858

Triangular Pyramid

Length = n
Surface area 3.465821309697E+14
Volume 2.6686526453255E+21
Height 13336642.476415