28756972 (number)

28756972 is an even 8-digits composite number following 28756971 and preceding 28756973. In scientific notation, it is written as 2.8756972 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 14332496 positive integers (up to 28756972) that are relatively prime to 28756972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8756972 × 10^7
Engineering notation 2.8756972 × 10^6

Prime Factorization of 28756972

Prime Factorization 2 × 2 × 317 × 22679

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14378486
Product of the distinct prime numbers

The prime factorization of 28756972 is 2 × 2 × 317 × 22679. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 7, 87, 10, 354, 232, 9117, 3463, 81987, 28930, 94410, 17248, 680062, 5861626, 87100772, 32638336, 736415127, 966828713, 7653726869, 4730296326

Basic calculations (n = 28756972)

Multiplication

n×y
n×2 57513944
n×3 86270916
n×4 115027888
n×5 143784860

Division

n÷y
n÷2 14378486
n÷3 9585657.3333333
n÷3 7189243
n÷5 5751394.4

Exponentiation

ny
n2 826963438608784
n3 2.3780964449097E+22
n4 6.8386852879566E+29
n5 1.9665988134258E+37

Nth Root

y√n
2√n 5362.5527503233
3√n 306.37104519519
4√n 73.229452751767
5√n 31.02763192951

Divisors of 28756972

1, 2, 4, 317, 634, 1268, 22679, 45358, 90716, 7189243, 14378486, 28756972

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 -28756971
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 28756972 can be divided by 12 positive divisors. The sum of these divisors (counting 28756972) is 1, the average is 0.083333333333333.

Base conversion 28756972

Base System Value
2 Binary 1101101101100101111101100
3 Ternary 2000010000011001
4 Quaternary 1231230233230
5 Quinary 24330210342
6 Senary 2504210044
8 Octal 155545754
10 Decimal 28756972
12 Duodecimal 9769924
16 Hexadecimal 1b6cbec
20 Vigesimal 8jec8c
36 Base36 h4d0s

Cryptographic Hash Functions

md5 b45cf5a5483941f384977e285a47a6da
sha1 b720b4a4e9eed421360c875239149e9f87133b39
sha256 625b5a48a10cd488c70156d10fa8e393e1c7b43ea11550d292edf9ac61eb8caf
sha512 d82c40c33d2ba60af8278d9c93ea940471a4115488c999ccd318b0c5a026f75e4d66d674affc4af2a241d4aa997d3e99b3a8b89b273cc8434c9eda73c068546a
ripemd-160 f633e2ecab8b49e7f5e876d74ad6cded0b15e1db

28756972 as geometric shapes

Circle

Radius = n
Diameter 57513944
Circumference 180685383.94937
Area 2.5979822635207E+15

Sphere

Radius = n
Volume 9.9613470944749E+22
Surface area 1.0391929054083E+16
Circumference 180685383.94937

Square

Length = n
Perimeter 115027888
Area 826963438608784
Diagonal 40668499.815183

Cube

Length = n
Surface area 4961780631652704
Volume 2.3780964449097E+22
Space diagonal 49808536.575836

Equilateral Triangle

Length = n
Perimeter 86270916
Area 3.5808567291807E+14
Altitude 24904268.287918

Triangular Pyramid

Length = n
Surface area 3.5808567291807E+14
Volume 2.8026135375187E+21
Height 13556166.605061