28726972 (number)

28726972 is an even 8-digits composite number following 28726971 and preceding 28726973. In scientific notation, it is written as 2.8726972 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 14348880 positive integers (up to 28726972) that are relatively prime to 28726972.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred twenty-six thousand nine hundred seventy-two

Notation

Scientific notation 2.8726972 × 10^7
Engineering notation 2.8726972 × 10^6

Prime Factorization of 28726972

Prime Factorization 2 × 2 × 1171 × 6133

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14363486
Product of the distinct prime numbers

The prime factorization of 28726972 is 2 × 2 × 1171 × 6133. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 19, 12, 385, 811, 7250, 6863, 28186, 21464, 68247, 324314, 2723850, 2861179, 96283902, 5558712, 288005852, 839394212, 3154344780, 7100111232

Basic calculations (n = 28726972)

Multiplication

n×y
n×2 57453944
n×3 86180916
n×4 114907888
n×5 143634860

Division

n÷y
n÷2 14363486
n÷3 9575657.3333333
n÷3 7181743
n÷5 5745394.4

Exponentiation

ny
n2 825238920288784
n3 2.3706615356446E+22
n4 6.810192755594E+29
n5 1.9563621660455E+37

Nth Root

y√n
2√n 5359.7548451398
3√n 306.26447012012
4√n 73.210346571641
5√n 31.021155464416

Divisors of 28726972

1, 2, 4, 1171, 2342, 4684, 6133, 12266, 24532, 7181743, 14363486, 28726972

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 -28726971
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 28726972 can be divided by 12 positive divisors. The sum of these divisors (counting 28726972) is 1, the average is 0.083333333333333.

Base conversion 28726972

Base System Value
2 Binary 1101101100101011010111100
3 Ternary 2000001110222221
4 Quaternary 1231211122330
5 Quinary 24323230342
6 Senary 2503415124
8 Octal 155453274
10 Decimal 28726972
12 Duodecimal 97544a4
16 Hexadecimal 1b656bc
20 Vigesimal 8jah8c
36 Base36 h3pvg

Cryptographic Hash Functions

md5 f3920951cd44a63df90355b7e2984087
sha1 eb486e3488164407b6868ec8f876a606fc036444
sha256 b0230063eafd9750ace979f741d84a3fc87b91f8d555ae80dc8f09a31445a6dd
sha512 e833980ec62cdd5161f04e455a1e880a3eecfbe360865cebf07aa8b2e2c5f6f1f0f0bec15dd3287ee0a1cfad185edef976309bafb6ea419c6d111c285111120e
ripemd-160 fd579d2ce9d1b5131e53bef76be30ae88ac0459a

28726972 as geometric shapes

Circle

Radius = n
Diameter 57453944
Circumference 180496888.39016
Area 2.5925645294356E+15

Sphere

Radius = n
Volume 9.930203819372E+22
Surface area 1.0370258117742E+16
Circumference 180496888.39016

Square

Length = n
Perimeter 114907888
Area 825238920288784
Diagonal 40626073.408312

Cube

Length = n
Surface area 4951433521732704
Volume 2.3706615356446E+22
Space diagonal 49756575.051609

Equilateral Triangle

Length = n
Perimeter 86180916
Area 3.5733893458086E+14
Altitude 24878287.525804

Triangular Pyramid

Length = n
Surface area 3.5733893458086E+14
Volume 2.7938514129207E+21
Height 13542024.469437