28668769 (number)

28668769 is an odd 8-digits composite number following 28668768 and preceding 28668770. In scientific notation, it is written as 2.8668769 × 10^7. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 27429600 positive integers (up to 28668769) that are relatively prime to 28668769.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-eight thousand seven hundred sixty-nine

Notation

Scientific notation 2.8668769 × 10^7
Engineering notation 2.8668769 × 10^6

Prime Factorization of 28668769

Prime Factorization 31 × 89 × 10391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28668769
Product of the distinct prime numbers

The prime factorization of 28668769 is 31 × 89 × 10391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28668769)

Multiplication

n×y
n×2 57337538
n×3 86006307
n×4 114675076
n×5 143343845

Division

n÷y
n÷2 14334384.5
n÷3 9556256.3333333
n÷3 7167192.25
n÷5 5733753.8

Exponentiation

ny
n2 821898315975361
n3 2.3562812962187E+22
n4 6.7551684180313E+29
n5 1.9366236293264E+37

Nth Root

y√n
2√n 5354.3224594714
3√n 306.0574920099
4√n 73.173235950526
5√n 31.008575027161

Divisors of 28668769

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28668768
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28668769 can be divided by 8 positive divisors. The sum of these divisors (counting 28668769) is 1, the average is 0.125.

Base conversion 28668769

Base System Value
2 Binary 1101101010111001101100001
3 Ternary 1222221112011021
4 Quaternary 1231113031201
5 Quinary 24314400034
6 Senary 2502245441
8 Octal 155271541
10 Decimal 28668769
12 Duodecimal 9726881
16 Hexadecimal 1b57361
20 Vigesimal 8j3bi9
36 Base36 h2gyp

Cryptographic Hash Functions

md5 c070e61cf7b79b2ddc2b12f26005478c
sha1 26e832894b09c3282c9e8871b6143e2fd1f47069
sha256 c54e4d4a198c86bfa8cc9a81814931a0789373ff27a301dea00a358d723a8ca2
sha512 96f7abd7c39e2c4a217f15af9164c7b27440404d716149edf872dd2fd7b7e32ec3249a9175982833d76d5693691718c821d6f9c2adbbe50fcc733641065a72c2
ripemd-160 2472228b141ba0719dc241e3662fd7a1d06b0c63

28668769 as geometric shapes

Circle

Radius = n
Diameter 57337538
Circumference 180131188.15573
Area 2.582069711466E+15

Sphere

Radius = n
Volume 9.8699680133221E+22
Surface area 1.0328278845864E+16
Circumference 180131188.15573

Square

Length = n
Perimeter 114675076
Area 821898315975361
Diagonal 40543761.936341

Cube

Length = n
Surface area 4931389895852166
Volume 2.3562812962187E+22
Space diagonal 49655764.498456

Equilateral Triangle

Length = n
Perimeter 86006307
Area 3.5589241048116E+14
Altitude 24827882.249228

Triangular Pyramid

Length = n
Surface area 3.5589241048116E+14
Volume 2.7769041382321E+21
Height 13514587.312114