28676988 (number)

28676988 is an even 8-digits composite number following 28676987 and preceding 28676989. In scientific notation, it is written as 2.8676988 × 10^7. The sum of its digits is 54. It has a total of 5 prime factors and 18 positive divisors. There are 9558984 positive integers (up to 28676988) that are relatively prime to 28676988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8676988 × 10^7
Engineering notation 2.8676988 × 10^6

Prime Factorization of 28676988

Prime Factorization 2 × 2 × 3 × 3 × 796583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4779498
Product of the distinct prime numbers

The prime factorization of 28676988 is 2 × 2 × 3 × 3 × 796583. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 97, 58, 133, 952, 5948, 5988, 47872, 24596, 694073, 914936, 6187438, 3101382, 36606791, 94631486, 605350484, 986527900, 1127816827, 1220249998

Basic calculations (n = 28676988)

Multiplication

n×y
n×2 57353976
n×3 86030964
n×4 114707952
n×5 143384940

Division

n÷y
n÷2 14338494
n÷3 9558996
n÷3 7169247
n÷5 5735397.6

Exponentiation

ny
n2 822369640752144
n3 2.3583084319414E+22
n4 6.7629182603081E+29
n5 1.9394012579584E+37

Nth Root

y√n
2√n 5355.0899152115
3√n 306.08673691374
4√n 73.178479864039
5√n 31.0103527823

Divisors of 28676988

1, 2, 3, 4, 6, 9, 12, 18, 36, 796583, 1593166, 2389749, 3186332, 4779498, 7169247, 9558996, 14338494, 28676988

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28676987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28676988 can be divided by 18 positive divisors. The sum of these divisors (counting 28676988) is 1, the average is 0.055555555555556.

Base conversion 28676988

Base System Value
2 Binary 1101101011001001101111100
3 Ternary 1222221221102200
4 Quaternary 1231121031330
5 Quinary 24320130423
6 Senary 2502351500
8 Octal 155311574
10 Decimal 28676988
12 Duodecimal 972b590
16 Hexadecimal 1b5937c
20 Vigesimal 8j4c98
36 Base36 h2nb0

Cryptographic Hash Functions

md5 4fe708600a46427593c54a5ca4c29116
sha1 b6a355ed5a4018062c56d77c65dc58c24f217f83
sha256 5e7dddb8fd8435d7c6d60fb72179dd45805bece5f72e0aaf189bb3766eb9cd0c
sha512 3706f38a982358c82845a315971caf7e9b4ae29007ec4bac68c2236b3458417b18a16c65b1c5a50b3d20ad196fe6907a68f5ae8e47b197133062bd683d73d2b8
ripemd-160 939c8b7a5782abdc9af2f2f067d06006d3990e6f

28676988 as geometric shapes

Circle

Radius = n
Diameter 57353976
Circumference 180182829.65577
Area 2.5835504219222E+15

Sphere

Radius = n
Volume 9.8784592595811E+22
Surface area 1.0334201687689E+16
Circumference 180182829.65577

Square

Length = n
Perimeter 114707952
Area 822369640752144
Diagonal 40555385.357611

Cube

Length = n
Surface area 4934217844512864
Volume 2.3583084319414E+22
Space diagonal 49670000.224043

Equilateral Triangle

Length = n
Perimeter 86030964
Area 3.5609650009622E+14
Altitude 24835000.112021

Triangular Pyramid

Length = n
Surface area 3.5609650009622E+14
Volume 2.7792931405919E+21
Height 13518461.78587