28155215 (number)

28155215 is an odd 8-digits composite number following 28155214 and preceding 28155216. In scientific notation, it is written as 2.8155215 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 20418720 positive integers (up to 28155215) that are relatively prime to 28155215.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-five thousand two hundred fifteen

Notation

Scientific notation 2.8155215 × 10^7
Engineering notation 2.8155215 × 10^6

Prime Factorization of 28155215

Prime Factorization 5 × 11 × 619 × 827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28155215
Product of the distinct prime numbers

The prime factorization of 28155215 is 5 × 11 × 619 × 827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 27, 13, 580, 502, 6709, 8090, 90417, 34380, 92042, 592604, 2627961, 1642675, 33172588, 6947086, 956923578, 230119146, 2123352495, 6669615215

Basic calculations (n = 28155215)

Multiplication

n×y
n×2 56310430
n×3 84465645
n×4 112620860
n×5 140776075

Division

n÷y
n÷2 14077607.5
n÷3 9385071.6666667
n÷3 7038803.75
n÷5 5631043

Exponentiation

ny
n2 792716131696225
n3 2.2319093121876E+22
n4 6.2839886545143E+29
n5 1.7692705162541E+37

Nth Root

y√n
2√n 5306.1487917321
3√n 304.21896375644
4√n 72.843316726602
5√n 30.896676781264

Divisors of 28155215

1, 5, 11, 55, 619, 827, 3095, 4135, 6809, 9097, 34045, 45485, 511913, 2559565, 5631043, 28155215

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 -28155214
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 28155215 can be divided by 16 positive divisors. The sum of these divisors (counting 28155215) is 1, the average is 0.0625.

Base conversion 28155215

Base System Value
2 Binary 1101011011001110101001111
3 Ternary 1221222102200202
4 Quaternary 1223121311033
5 Quinary 24201431330
6 Senary 2443244115
8 Octal 153316517
10 Decimal 28155215
12 Duodecimal 951963b
16 Hexadecimal 1ad9d4f
20 Vigesimal 8fj80f
36 Base36 grgpb

Cryptographic Hash Functions

md5 18057f25f82760870d2b62966848dd6b
sha1 d8d283d39b820e5e54462e999daaf5e56d91e466
sha256 faf132ef8ac3d1d1746ee03aade79d2486100aaf2e05084c1df751fe8536e74e
sha512 69d92a6a7f804f885e18c65aba652941e33d79eea42b198d671573a874bad13284d3dd0406958630b10eded8088daa69443f967e4791d2be0c7bccc4ca8fae21
ripemd-160 a8db58f87b6a5b6420ba743d11838a6d5df924a2

28155215 as geometric shapes

Circle

Radius = n
Diameter 56310430
Circumference 176904433.20848
Area 2.490391175719E+15

Sphere

Radius = n
Volume 9.3489998648628E+22
Surface area 9.9615647028759E+15
Circumference 176904433.20848

Square

Length = n
Perimeter 112620860
Area 792716131696225
Diagonal 39817486.90453

Cube

Length = n
Surface area 4756296790177350
Volume 2.2319093121876E+22
Space diagonal 48766262.878025

Equilateral Triangle

Length = n
Perimeter 84465645
Area 3.4325615401933E+14
Altitude 24383131.439013

Triangular Pyramid

Length = n
Surface area 3.4325615401933E+14
Volume 2.630330349402E+21
Height 13272495.634843