28017988 (number)

28017988 is an even 8-digits composite number following 28017987 and preceding 28017989. In scientific notation, it is written as 2.8017988 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 6 positive divisors. There are 14008992 positive integers (up to 28017988) that are relatively prime to 28017988.

Interesting facts

Basic properties

Name

Name twenty-eight million seventeen thousand nine hundred eighty-eight

Notation

Scientific notation 2.8017988 × 10^7
Engineering notation 2.8017988 × 10^6

Prime Factorization of 28017988

Prime Factorization 2 × 2 × 7004497

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14008994
Product of the distinct prime numbers

The prime factorization of 28017988 is 2 × 2 × 7004497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28017988)

Multiplication

n×y
n×2 56035976
n×3 84053964
n×4 112071952
n×5 140089940

Division

n÷y
n÷2 14008994
n÷3 9339329.3333333
n÷3 7004497
n÷5 5603597.6

Exponentiation

ny
n2 785007651568144
n3 2.1994334961544E+22
n4 6.1623701302053E+29
n5 1.7265721235965E+37

Nth Root

y√n
2√n 5293.202055467
3√n 303.72390965144
4√n 72.754395437437
5√n 30.866500144671

Divisors of 28017988

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28017987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28017988 can be divided by 6 positive divisors. The sum of these divisors (counting 28017988) is 1, the average is 0.16666666666667.

Base conversion 28017988

Base System Value
2 Binary 1101010111000010101000100
3 Ternary 1221201110110021
4 Quaternary 1222320111010
5 Quinary 24133033423
6 Senary 2440304524
8 Octal 152702504
10 Decimal 28017988
12 Duodecimal 9472144
16 Hexadecimal 1ab8544
20 Vigesimal 8f24j8
36 Base36 goitg

Cryptographic Hash Functions

md5 deea262462b63c1dd2d14f70d6daab8f
sha1 796bad813f809b1f9b07fb8a07c15f0772860c00
sha256 94e7bbe408024f5c6f1d6e957f8e0021e75295e1cad072d6a9c7555c3345bfcd
sha512 5878782716e77c57acb2a5adf20c91bc4758966534f1b74425b20a7d09c7f4571676b2e0357ac1a2afd95f3f0f6103475fc0efd29ac2a261c55e747aca69ed05
ripemd-160 a67ca049f274ecb587e39cfce285716bfb2ad3af

28017988 as geometric shapes

Circle

Radius = n
Diameter 56035976
Circumference 176042210.53833
Area 2.4661742711783E+15

Sphere

Radius = n
Volume 9.2129654847708E+22
Surface area 9.864697084713E+15
Circumference 176042210.53833

Square

Length = n
Perimeter 112071952
Area 785007651568144
Diagonal 39623418.620007

Cube

Length = n
Surface area 4710045909408864
Volume 2.1994334961544E+22
Space diagonal 48528578.741855

Equilateral Triangle

Length = n
Perimeter 84053964
Area 3.3991828421159E+14
Altitude 24264289.370928

Triangular Pyramid

Length = n
Surface area 3.3991828421159E+14
Volume 2.5920572331661E+21
Height 13207806.206669