28291381 (number)

28291381 is an odd 8-digits prime number following 28291380 and preceding 28291382. In scientific notation, it is written as 2.8291381 × 10^7. The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors. There are 28291380 positive integers (up to 28291381) that are relatively prime to 28291381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8291381 × 10^7
Engineering notation 2.8291381 × 10^6

Prime Factorization of 28291381

Prime Factorization 28291381

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28291381
Product of the distinct prime numbers

The prime factorization of 28291381 is 28291381. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 5, 51, 99, 9, 27, 2349, 9408, 78160, 24087, 262596, 189775, 7993351, 8780485, 72280913, 49242981, 531795977, 396743806, 1688439874, 7614441656

Basic calculations (n = 28291381)

Multiplication

n×y
n×2 56582762
n×3 84874143
n×4 113165524
n×5 141456905

Division

n÷y
n÷2 14145690.5
n÷3 9430460.3333333
n÷3 7072845.25
n÷5 5658276.2

Exponentiation

ny
n2 800402238887161
n3 2.264448469361E+22
n4 6.4064374401558E+29
n5 1.8124696247211E+37

Nth Root

y√n
2√n 5318.9642788799
3√n 304.70860281276
4√n 72.931229791358
5√n 30.926504021558

Divisors of 28291381

1, 28291381

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28291382
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14145691
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5318.9643728831
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999293071
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28291381 can be divided by 2 positive divisors. The sum of these divisors (counting 28291381) is 28291382, the average is 14145691.

Base conversion 28291381

Base System Value
2 Binary 1101011111011000100110101
3 Ternary 1222020100110221
4 Quaternary 1223323010311
5 Quinary 24220311011
6 Senary 2450214341
8 Octal 153730465
10 Decimal 28291381
12 Duodecimal 95843b1
16 Hexadecimal 1afb135
20 Vigesimal 8gg891
36 Base36 gudrp

Cryptographic Hash Functions

md5 eb4133e872541995f231325bef080f0d
sha1 259d4ebe0c723d0509a38e30385cc200030fa4a6
sha256 570b853677177ebee2bc09677f6bfe02612217ce5050687d47312a42fd24b484
sha512 a7df1c1f4d4a85b53f9a4e000ef2576ee3891b84548ba26068eeeca27e7eb44e887012bd7264f729e0a8f25351c1b3e7f2a392fe726358550d2f00edbd4d1aaa
ripemd-160 368f33439b9c4cad5e301cc1f4a8f76d1577da01

28291381 as geometric shapes

Circle

Radius = n
Diameter 56582762
Circumference 177759989.41902
Area 2.5145377936047E+15

Sphere

Radius = n
Volume 9.4852995677028E+22
Surface area 1.0058151174419E+16
Circumference 177759989.41902

Square

Length = n
Perimeter 113165524
Area 800402238887161
Diagonal 40010054.708464

Cube

Length = n
Surface area 4802413433322966
Volume 2.264448469361E+22
Space diagonal 49002109.308289

Equilateral Triangle

Length = n
Perimeter 84874143
Area 3.4658433606111E+14
Altitude 24501054.654144

Triangular Pyramid

Length = n
Surface area 3.4658433606111E+14
Volume 2.6686781138877E+21
Height 13336684.902821