28397768 (number)

28397768 is an even 8-digits composite number following 28397767 and preceding 28397769. In scientific notation, it is written as 2.8397768 × 10^7. The sum of its digits is 50. It has a total of 5 prime factors and 16 positive divisors. There are 12170448 positive integers (up to 28397768) that are relatively prime to 28397768.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-seven thousand seven hundred sixty-eight

Notation

Scientific notation 2.8397768 × 10^7
Engineering notation 2.8397768 × 10^6

Prime Factorization of 28397768

Prime Factorization 2 × 2 × 2 × 7 × 507103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7099442
Product of the distinct prime numbers

The prime factorization of 28397768 is 2 × 2 × 2 × 7 × 507103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 79, 67, 805, 321, 8551, 2613, 97324, 52759, 845465, 134959, 3747897, 4514681, 49647454, 83453815, 5251638, 422373790, 9610238872, 193510889

Basic calculations (n = 28397768)

Multiplication

n×y
n×2 56795536
n×3 85193304
n×4 113591072
n×5 141988840

Division

n÷y
n÷2 14198884
n÷3 9465922.6666667
n÷3 7099442
n÷5 5679553.6

Exponentiation

ny
n2 806433227381824
n3 2.290090369868E+22
n4 6.5033455022546E+29
n5 1.8468049679687E+37

Nth Root

y√n
2√n 5328.9556200066
3√n 305.09006746091
4√n 72.99969602681
5√n 30.949728339676

Divisors of 28397768

1, 2, 4, 7, 8, 14, 28, 56, 507103, 1014206, 2028412, 3549721, 4056824, 7099442, 14198884, 28397768

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28397767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28397768 can be divided by 16 positive divisors. The sum of these divisors (counting 28397768) is 1, the average is 0.0625.

Base conversion 28397768

Base System Value
2 Binary 1101100010101000011001000
3 Ternary 1222102202102012
4 Quaternary 1230111003020
5 Quinary 24232212033
6 Senary 2452355052
8 Octal 154250310
10 Decimal 28397768
12 Duodecimal 9615a88
16 Hexadecimal 1b150c8
20 Vigesimal 8h9e88
36 Base36 gwnuw

Cryptographic Hash Functions

md5 f56bd4f0e59d7f2769dd1e5a6eeea9a5
sha1 a79aba5262b8ab4fba637adef1cd5da2e9e0d737
sha256 41bc9f09fdf76db99c997c68716b63243fde46a54f9c139a818744e7d34fcb65
sha512 c360823aadf242f70900e979f87c1807ac65dc92c5a3935098564970a1228e4cb12fbb31fb3e72ca7ed47ea5da073f085a17048d4904fea0342f3822b1c57832
ripemd-160 4be5321b4e726bba25d776a08a021d5e785381ba

28397768 as geometric shapes

Circle

Radius = n
Diameter 56795536
Circumference 178428438.65429
Area 2.5334847027534E+15

Sphere

Radius = n
Volume 9.5927081093788E+22
Surface area 1.0133938811014E+16
Circumference 178428438.65429

Square

Length = n
Perimeter 113591072
Area 806433227381824
Diagonal 40160508.646725

Cube

Length = n
Surface area 4838599364290944
Volume 2.290090369868E+22
Space diagonal 49186376.997554

Equilateral Triangle

Length = n
Perimeter 85193304
Area 3.4919583068427E+14
Altitude 24593188.498777

Triangular Pyramid

Length = n
Surface area 3.4919583068427E+14
Volume 2.6988973834395E+21
Height 13386836.215575