28886988 (number)

28886988 is an even 8-digits composite number following 28886987 and preceding 28886989. In scientific notation, it is written as 2.8886988 × 10^7. The sum of its digits is 57. It has a total of 7 prime factors and 96 positive divisors. There are 8312832 positive integers (up to 28886988) that are relatively prime to 28886988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8886988 × 10^7
Engineering notation 2.8886988 × 10^6

Prime Factorization of 28886988

Prime Factorization 2 × 2 × 3 × 13 × 23 × 97 × 83

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 14443494
Product of the distinct prime numbers

The prime factorization of 28886988 is 2 × 2 × 3 × 13 × 23 × 97 × 83. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28886988)

Multiplication

n×y
n×2 57773976
n×3 86660964
n×4 115547952
n×5 144434940

Division

n÷y
n÷2 14443494
n÷3 9628996
n÷3 7221747
n÷5 5777397.6

Exponentiation

ny
n2 834458075712144
n3 2.41049804196E+22
n4 6.9632028012121E+29
n5 2.0114595576018E+37

Nth Root

y√n
2√n 5374.6616637701
3√n 306.83207260517
4√n 73.312084022827
5√n 31.05563774844

Divisors of 28886988

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28886987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28886988 can be divided by 96 positive divisors. The sum of these divisors (counting 28886988) is 1, the average is 0.010416666666667.

Base conversion 28886988

Base System Value
2 Binary 1101110001100011111001100
3 Ternary 2000100121111110
4 Quaternary 1232030133030
5 Quinary 24343340423
6 Senary 2511052020
8 Octal 156143714
10 Decimal 28886988
12 Duodecimal 9811010
16 Hexadecimal 1b8c7cc
20 Vigesimal 90ah98
36 Base36 h75cc

Cryptographic Hash Functions

md5 0c592a52463f8bd28fb4b90c697ed439
sha1 755e0cbdd97e94797372dce8e4a34c19055360ef
sha256 83e622b9d5968171577d95f879cfc36549d81316fc20dbbac8fc6813628dd025
sha512 0488ab17c9aea31ac318898cb8b0a252ca8a44ba63d828ac924850f50f87ce0a66cc566adfdaaeb5b31034ce59bd842ec245d9e166cdb29ae177d0158539a54b
ripemd-160 be52f4f362cd80cae51ae7dcde834002af8137e0

28886988 as geometric shapes

Circle

Radius = n
Diameter 57773976
Circumference 181502298.57027
Area 2.6215273603859E+15

Sphere

Radius = n
Volume 1.0097070586819E+23
Surface area 1.0486109441544E+16
Circumference 181502298.57027

Square

Length = n
Perimeter 115547952
Area 834458075712144
Diagonal 40852370.205709

Cube

Length = n
Surface area 5006748454272864
Volume 2.41049804196E+22
Space diagonal 50033730.893632

Equilateral Triangle

Length = n
Perimeter 86660964
Area 3.613309459799E+14
Altitude 25016865.446816

Triangular Pyramid

Length = n
Surface area 3.613309459799E+14
Volume 2.8407991858447E+21
Height 13617456.735236