28742511 (number)

28742511 is an odd 8-digits composite number following 28742510 and preceding 28742512. In scientific notation, it is written as 2.8742511 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 16386624 positive integers (up to 28742511) that are relatively prime to 28742511.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand five hundred eleven

Notation

Scientific notation 2.8742511 × 10^7
Engineering notation 2.8742511 × 10^6

Prime Factorization of 28742511

Prime Factorization 3 × 7 × 523 × 2617

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28742511
Product of the distinct prime numbers

The prime factorization of 28742511 is 3 × 7 × 523 × 2617. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 1, 66, 339, 759, 593, 6342, 89915, 61652, 870290, 370970, 9007188, 1418218, 48448272, 59565046, 821290931, 895581628, 9734725957, 3219018468

Basic calculations (n = 28742511)

Multiplication

n×y
n×2 57485022
n×3 86227533
n×4 114970044
n×5 143712555

Division

n÷y
n÷2 14371255.5
n÷3 9580837
n÷3 7185627.75
n÷5 5748502.2

Exponentiation

ny
n2 826131938585121
n3 2.3745106332234E+22
n4 6.8249397995041E+29
n5 1.9616590726158E+37

Nth Root

y√n
2√n 5361.204249047
3√n 306.31968171443
4√n 73.220244803244
5√n 31.024510732566

Divisors of 28742511

1, 3, 7, 21, 523, 1569, 2617, 3661, 7851, 10983, 18319, 54957, 1368691, 4106073, 9580837, 28742511

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 -28742510
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 28742511 can be divided by 16 positive divisors. The sum of these divisors (counting 28742511) is 1, the average is 0.0625.

Base conversion 28742511

Base System Value
2 Binary 1101101101001001101101111
3 Ternary 2000002021022110
4 Quaternary 1231221031233
5 Quinary 24324230021
6 Senary 2504015103
8 Octal 155511557
10 Decimal 28742511
12 Duodecimal 9761493
16 Hexadecimal 1b6936f
20 Vigesimal 8jcg5b
36 Base36 h41v3

Cryptographic Hash Functions

md5 0089b2307b398fda524984fd97a6a653
sha1 13dd0f81161e92a10bd7f4606ca238dd63add863
sha256 0d61720c36ac0d5202ce114bc0c9dc34a3efab00c6786e58cfb1df9f70ae8bfc
sha512 ff99ade2f6af9ef342e0673fb016813e300481a27df314c0c2828f5920d996bc5b992b732858368c780fecd9a742ad075eef9832a29a0aedeb927dcee93fd0b3
ripemd-160 9b5f8a1baae2f1f310f8e63cc080770e037ba348

28742511 as geometric shapes

Circle

Radius = n
Diameter 57485022
Circumference 180594522.80665
Area 2.5953700291549E+15

Sphere

Radius = n
Volume 9.9463268816074E+22
Surface area 1.038148011662E+16
Circumference 180594522.80665

Square

Length = n
Perimeter 114970044
Area 826131938585121
Diagonal 40648048.872858

Cube

Length = n
Surface area 4956791631510726
Volume 2.3745106332234E+22
Space diagonal 49783489.389107

Equilateral Triangle

Length = n
Perimeter 86227533
Area 3.577256228462E+14
Altitude 24891744.694554

Triangular Pyramid

Length = n
Surface area 3.577256228462E+14
Volume 2.7983876179197E+21
Height 13549349.624286