19987228 (number)

19987228 is an even 8-digits composite number following 19987227 and preceding 19987229. In scientific notation, it is written as 1.9987228 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 9933440 positive integers (up to 19987228) that are relatively prime to 19987228.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-seven thousand two hundred twenty-eight

Notation

Scientific notation 1.9987228 × 10^7
Engineering notation 1.9987228 × 10^6

Prime Factorization of 19987228

Prime Factorization 2 × 2 × 167 × 29921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9993614
Product of the distinct prime numbers

The prime factorization of 19987228 is 2 × 2 × 167 × 29921. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 7, 14, 68, 445, 534, 7662, 9649, 24278, 85147, 512833, 783179, 4718191, 1171817, 67524864, 90121949, 308297663, 87928859, 5309333169, 5583047731

Basic calculations (n = 19987228)

Multiplication

n×y
n×2 39974456
n×3 59961684
n×4 79948912
n×5 99936140

Division

n÷y
n÷2 9993614
n÷3 6662409.3333333
n÷3 4996807
n÷5 3997445.6

Exponentiation

ny
n2 399489283123984
n3 7.9846833853556E+21
n4 1.5959168733091E+29
n5 3.1897954415877E+36

Nth Root

y√n
2√n 4470.7077739436
3√n 271.3839684525
4√n 66.86335150098
5√n 28.850311943788

Divisors of 19987228

1, 2, 4, 167, 334, 668, 29921, 59842, 119684, 4996807, 9993614, 19987228

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -19987227
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987228 can be divided by 12 positive divisors. The sum of these divisors (counting 19987228) is 1, the average is 0.083333333333333.

Base conversion 19987228

Base System Value
2 Binary 1001100001111101100011100
3 Ternary 1101121110022201
4 Quaternary 1030033230130
5 Quinary 20104042403
6 Senary 1552221244
8 Octal 114175434
10 Decimal 19987228
12 Duodecimal 683a824
16 Hexadecimal 130fb1c
20 Vigesimal 64i818
36 Base36 bwe8s

Cryptographic Hash Functions

md5 b5360512295c51ea18f5bc87bcfc4bb8
sha1 22ab75e7e32908a1cc130cf2ddefe5faf0178191
sha256 b3f15f109d423e603ab46445b816ec57ee2b1aa432ec0ae6b755b8c1e50dad66
sha512 b1d4d2ae783ffe74d160eb74dd74a47d38da0edaa9c41dfa3882690fb8a40fbf429d4a073b7eb01b1d1774c71ca75540e7b688c29092be0f1aa7d94e01904d6c
ripemd-160 ce3c9d4267e6a5c59bf7d603fb537536d913d852

19987228 as geometric shapes

Circle

Radius = n
Diameter 39974456
Circumference 125583457.30085
Area 1.2550325970502E+15

Sphere

Radius = n
Volume 3.3446163552898E+22
Surface area 5.0201303882006E+15
Circumference 125583457.30085

Square

Length = n
Perimeter 79948912
Area 399489283123984
Diagonal 28266208.911843

Cube

Length = n
Surface area 2396935698743904
Volume 7.9846833853556E+21
Space diagonal 34618894.398463

Equilateral Triangle

Length = n
Perimeter 59961684
Area 1.729839338625E+14
Altitude 17309447.199232

Triangular Pyramid

Length = n
Surface area 1.729839338625E+14
Volume 9.4100396123542E+20
Height 9422069.6372811