28221557 (number)

28221557 is an odd 8-digits composite number following 28221556 and preceding 28221558. In scientific notation, it is written as 2.8221557 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 22329072 positive integers (up to 28221557) that are relatively prime to 28221557.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8221557 × 10^7
Engineering notation 2.8221557 × 10^6

Prime Factorization of 28221557

Prime Factorization 91 × 310127

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28221557
Product of the distinct prime numbers

The prime factorization of 28221557 is 91 × 310127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28221557)

Multiplication

n×y
n×2 56443114
n×3 84664671
n×4 112886228
n×5 141107785

Division

n÷y
n÷2 14110778.5
n÷3 9407185.6666667
n÷3 7055389.25
n÷5 5644311.4

Exponentiation

ny
n2 796456279504249
n3 2.2477236290037E+22
n4 6.3434260516175E+29
n5 1.7902135989101E+37

Nth Root

y√n
2√n 5312.396540169
3√n 304.45771956349
4√n 72.886188953526
5√n 30.911223415938

Divisors of 28221557

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28221556
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28221557 can be divided by 4 positive divisors. The sum of these divisors (counting 28221557) is 1, the average is 0.25.

Base conversion 28221557

Base System Value
2 Binary 1101011101010000001110101
3 Ternary 1222002210200212
4 Quaternary 1223222001311
5 Quinary 24211042212
6 Senary 2444515205
8 Octal 153520165
10 Decimal 28221557
12 Duodecimal 954bb05
16 Hexadecimal 1aea075
20 Vigesimal 8g7dhh
36 Base36 gsvw5

Cryptographic Hash Functions

md5 4e720cbfaf7877ba958f9a4faa198ad7
sha1 83fbf4d5d4964c6e6548c4c3f836640a8ba8e652
sha256 b374437b5d9e1db5cde60574b5573b236920dab079757652ab045da0ea3df4df
sha512 c4f88f712652575624108826b33015337fdbf93fdf0db9078d017cb8fe4d35de44c5b0bf1984f10872a0bc3484cf8b6f450bf7b411c81423e9bb32d9edcdcdc3
ripemd-160 98125abe5e44fc8673081af32c73ffee3f09a086

28221557 as geometric shapes

Circle

Radius = n
Diameter 56443114
Circumference 177321272.28813
Area 2.502141196596E+15

Sphere

Radius = n
Volume 9.4152427202377E+22
Surface area 1.0008564786384E+16
Circumference 177321272.28813

Square

Length = n
Perimeter 112886228
Area 796456279504249
Diagonal 39911308.660685

Cube

Length = n
Surface area 4778737677025494
Volume 2.2477236290037E+22
Space diagonal 48881170.592701

Equilateral Triangle

Length = n
Perimeter 84664671
Area 3.4487568552716E+14
Altitude 24440585.296351

Triangular Pyramid

Length = n
Surface area 3.4487568552716E+14
Volume 2.6489677005029E+21
Height 13303769.553562