28777749 (number)

28777749 is an odd 8-digits composite number following 28777748 and preceding 28777750. In scientific notation, it is written as 2.8777749 × 10^7. The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors. There are 13426560 positive integers (up to 28777749) that are relatively prime to 28777749.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-seven thousand seven hundred forty-nine

Notation

Scientific notation 2.8777749 × 10^7
Engineering notation 2.8777749 × 10^6

Prime Factorization of 28777749

Prime Factorization 3 × 91 × 77 × 37 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 777777
Product of the distinct prime numbers

The prime factorization of 28777749 is 3 × 91 × 77 × 37 × 37. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 37, 58, 829, 894, 5790, 6165, 92822, 92275, 61412, 277780, 9305103, 288967, 27549849, 37403462, 145107840, 427898539, 1821111286, 5490239067

Basic calculations (n = 28777749)

Multiplication

n×y
n×2 57555498
n×3 86333247
n×4 115110996
n×5 143888745

Division

n÷y
n÷2 14388874.5
n÷3 9592583
n÷3 7194437.25
n÷5 5755549.8

Exponentiation

ny
n2 828158837507001
n3 2.3832547157908E+22
n4 6.8584706014095E+29
n5 1.9737134549124E+37

Nth Root

y√n
2√n 5364.4896308969
3√n 306.44481210404
4√n 73.242676295292
5√n 31.032114146077

Divisors of 28777749

1, 3, 37, 77, 91, 111, 231, 273, 1369, 2849, 3367, 4107, 7007, 8547, 10101, 21021, 105413, 124579, 259259, 316239, 373737, 777777, 9592583, 28777749

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28777748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28777749 can be divided by 24 positive divisors. The sum of these divisors (counting 28777749) is 1, the average is 0.041666666666667.

Base conversion 28777749

Base System Value
2 Binary 1101101110001110100010101
3 Ternary 2000011001122120
4 Quaternary 1231301310111
5 Quinary 24331341444
6 Senary 2504450153
8 Octal 155616425
10 Decimal 28777749
12 Duodecimal 9779959
16 Hexadecimal 1b71d15
20 Vigesimal 8jh479
36 Base36 h4t1x

Cryptographic Hash Functions

md5 64cee75bd097a8dfc5bb4bad67b30eb6
sha1 0dfa7f1c675c9eb3c4c637e4ecc6acbfc78069b0
sha256 b1fe25d40ad00589e09436294e8962dfdde4d799cb944eb24ca21c5a2942a64a
sha512 8693141f22d59af9310ec5978fd56f34b412f90c54c4b490a2b1e9bb2ef6bc37421912ec6c9f56fa645fa9e9811021db5ed66afdba8bd07664b88c47b1fb42ab
ripemd-160 64521eabbcb2f8528af49bfeaadfac3519903086

28777749 as geometric shapes

Circle

Radius = n
Diameter 57555498
Circumference 180815929.6905
Area 2.6017377199175E+15

Sphere

Radius = n
Volume 9.9829540090156E+22
Surface area 1.040695087967E+16
Circumference 180815929.6905

Square

Length = n
Perimeter 115110996
Area 828158837507001
Diagonal 40697882.930369

Cube

Length = n
Surface area 4968953025042006
Volume 2.3832547157908E+22
Space diagonal 49844523.395464

Equilateral Triangle

Length = n
Perimeter 86333247
Area 3.5860329582483E+14
Altitude 24922261.697732

Triangular Pyramid

Length = n
Surface area 3.5860329582483E+14
Volume 2.8086926180509E+21
Height 13565960.97679