28662221 (number)

28662221 is an odd 8-digits composite number following 28662220 and preceding 28662222. In scientific notation, it is written as 2.8662221 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 23122368 positive integers (up to 28662221) that are relatively prime to 28662221.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-two thousand two hundred twenty-one

Notation

Scientific notation 2.8662221 × 10^7
Engineering notation 2.8662221 × 10^6

Prime Factorization of 28662221

Prime Factorization 7 × 17 × 240859

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28662221
Product of the distinct prime numbers

The prime factorization of 28662221 is 7 × 17 × 240859. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28662221)

Multiplication

n×y
n×2 57324442
n×3 85986663
n×4 114648884
n×5 143311105

Division

n÷y
n÷2 14331110.5
n÷3 9554073.6666667
n÷3 7165555.25
n÷5 5732444.2

Exponentiation

ny
n2 821522912652841
n3 2.3546671279019E+22
n4 6.7489989601361E+29
n5 1.9344129972419E+37

Nth Root

y√n
2√n 5353.7109559632
3√n 306.03418886941
4√n 73.169057366917
5√n 31.007158414525

Divisors of 28662221

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28662220
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28662221 can be divided by 8 positive divisors. The sum of these divisors (counting 28662221) is 1, the average is 0.125.

Base conversion 28662221

Base System Value
2 Binary 1101101010101100111001101
3 Ternary 1222221012011202
4 Quaternary 1231111213031
5 Quinary 24314142341
6 Senary 2502155245
8 Octal 155254715
10 Decimal 28662221
12 Duodecimal 9722b25
16 Hexadecimal 1b559cd
20 Vigesimal 8j2fb1
36 Base36 h2bwt

Cryptographic Hash Functions

md5 6d19cba4f9026b524a10e235b03f05d3
sha1 8ca8cad540cda34c89b99a1c450fd8d22f0e87ef
sha256 cead7a04cc68d1baae74e15f19413ec126ec00d19564550ced1786754340fc0a
sha512 6f3b40cc87b173bb462d382758db796a6896ca2d794ffeef393d70cd7eb2f49c5c3e20a9002dccedb39f9fe700ca596640e368c612b18cec33062e27d279b0ef
ripemd-160 a02805b35e70a43ab619f3c980698972dc17c7ba

28662221 as geometric shapes

Circle

Radius = n
Diameter 57324442
Circumference 180090045.85833
Area 2.5808903471459E+15

Sphere

Radius = n
Volume 9.8632066008882E+22
Surface area 1.0323561388583E+16
Circumference 180090045.85833

Square

Length = n
Perimeter 114648884
Area 821522912652841
Diagonal 40534501.665935

Cube

Length = n
Surface area 4929137475917046
Volume 2.3546671279019E+22
Space diagonal 49644423.029768

Equilateral Triangle

Length = n
Perimeter 85986663
Area 3.5572985607417E+14
Altitude 24822211.514884

Triangular Pyramid

Length = n
Surface area 3.5572985607417E+14
Volume 2.7750018226275E+21
Height 13511500.555312