28746988 (number)

28746988 is an even 8-digits composite number following 28746987 and preceding 28746989. In scientific notation, it is written as 2.8746988 × 10^7. The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors. There are 14102192 positive integers (up to 28746988) that are relatively prime to 28746988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8746988 × 10^7
Engineering notation 2.8746988 × 10^6

Prime Factorization of 28746988

Prime Factorization 2 × 2 × 53 × 135599

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14373494
Product of the distinct prime numbers

The prime factorization of 28746988 is 2 × 2 × 53 × 135599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 88, 93, 971, 682, 621, 2900, 78226, 75739, 614512, 218608, 4226437, 3047821, 67447595, 22543059, 179022042, 147518330, 3932809763, 5627553799

Basic calculations (n = 28746988)

Multiplication

n×y
n×2 57493976
n×3 86240964
n×4 114987952
n×5 143734940

Division

n÷y
n÷2 14373494
n÷3 9582329.3333333
n÷3 7186747
n÷5 5749397.6

Exponentiation

ny
n2 826389319072144
n3 2.3756203838695E+22
n4 6.8291930667652E+29
n5 1.9631873113998E+37

Nth Root

y√n
2√n 5361.6217695768
3√n 306.3355852428
4√n 73.223095875392
5√n 31.025477162266

Divisors of 28746988

1, 2, 4, 53, 106, 212, 135599, 271198, 542396, 7186747, 14373494, 28746988

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 -28746987
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 28746988 can be divided by 12 positive divisors. The sum of these divisors (counting 28746988) is 1, the average is 0.083333333333333.

Base conversion 28746988

Base System Value
2 Binary 1101101101010010011101100
3 Ternary 2000002111110021
4 Quaternary 1231222103230
5 Quinary 24324400423
6 Senary 2504051524
8 Octal 155522354
10 Decimal 28746988
12 Duodecimal 9763ba4
16 Hexadecimal 1b6a4ec
20 Vigesimal 8jd798
36 Base36 h45bg

Cryptographic Hash Functions

md5 f388def13930417fa48ba040ccc937eb
sha1 7198156916a29a2dafcac51401ed6ffd834232a7
sha256 aaf2f35b8140a6b7bcbd0b3e697b8b6f61a1c1b1aa956763218544b48b31c7e2
sha512 83438e064ffd0e7dec494cf8e289cad880a953e04e4efe94fe374724ad7a202e6b59a97c918faa7ea51ca2972c119e0537ca51be30a1f002bef4c450406d2dc4
ripemd-160 36da3c135eeb0ad7de8e074a3e3692dfb846a337

28746988 as geometric shapes

Circle

Radius = n
Diameter 57493976
Circumference 180622652.62727
Area 2.5961786138021E+15

Sphere

Radius = n
Volume 9.9509753942435E+22
Surface area 1.0384714455208E+16
Circumference 180622652.62727

Square

Length = n
Perimeter 114987952
Area 826389319072144
Diagonal 40654380.306977

Cube

Length = n
Surface area 4958335914432864
Volume 2.3756203838695E+22
Space diagonal 49791243.780573

Equilateral Triangle

Length = n
Perimeter 86240964
Area 3.578370718663E+14
Altitude 24895621.890286

Triangular Pyramid

Length = n
Surface area 3.578370718663E+14
Volume 2.7996954715985E+21
Height 13551460.102326