28156790 (number)

28156790 is an even 8-digits composite number following 28156789 and preceding 28156791. In scientific notation, it is written as 2.8156790 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 11235840 positive integers (up to 28156790) that are relatively prime to 28156790.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred fifty-six thousand seven hundred ninety

Notation

Scientific notation 2.8156790 × 10^7
Engineering notation 2.8156790 × 10^6

Prime Factorization of 28156790

Prime Factorization 2 × 5 × 6271 × 449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28156790
Product of the distinct prime numbers

The prime factorization of 28156790 is 2 × 5 × 6271 × 449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28156790)

Multiplication

n×y
n×2 56313580
n×3 84470370
n×4 112627160
n×5 140783950

Division

n÷y
n÷2 14078395
n÷3 9385596.6666667
n÷3 7039197.5
n÷5 5631358

Exponentiation

ny
n2 792804823104100
n3 2.2322838915129E+22
n4 6.2853948753712E+29
n5 1.769765435729E+37

Nth Root

y√n
2√n 5306.2972023813
3√n 304.22463631046
4√n 72.844335417254
5√n 30.897022444951

Divisors of 28156790

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 -28156789
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 28156790 can be divided by 16 positive divisors. The sum of these divisors (counting 28156790) is 1, the average is 0.0625.

Base conversion 28156790

Base System Value
2 Binary 1101011011010001101110110
3 Ternary 1221222111212002
4 Quaternary 1223122031312
5 Quinary 24202004130
6 Senary 2443255302
8 Octal 153321566
10 Decimal 28156790
12 Duodecimal 951a532
16 Hexadecimal 1ada376
20 Vigesimal 8fjbja
36 Base36 grhx2

Cryptographic Hash Functions

md5 21651c5e16e639bf4083b527fe17ee88
sha1 d408e08d632cc74cbf79780880ffd2240bdc67b0
sha256 994953fa56f8aefb90110e386651e58189830059132856a031a0bf14251c854d
sha512 63ae4eb3096b245bee0dbe02a5512eeb1b3562ad5798c9e02fd57c2189267abd8354186a7aaca3812cfd28d4653246621a7ecfbe6602000b10fd9a65aac498c2
ripemd-160 f943f8b7a9e985f2d40ed4923d95ed9cb0abbdaa

28156790 as geometric shapes

Circle

Radius = n
Diameter 56313580
Circumference 176914329.22534
Area 2.4906698079944E+15

Sphere

Radius = n
Volume 9.3505688990718E+22
Surface area 9.9626792319776E+15
Circumference 176914329.22534

Square

Length = n
Perimeter 112627160
Area 792804823104100
Diagonal 39819714.290891

Cube

Length = n
Surface area 4756828938624600
Volume 2.2322838915129E+22
Space diagonal 48768990.858047

Equilateral Triangle

Length = n
Perimeter 84470370
Area 3.4329455852549E+14
Altitude 24384495.429024

Triangular Pyramid

Length = n
Surface area 3.4329455852549E+14
Volume 2.6307717953705E+21
Height 13273238.096964