28931764 (number)

28931764 is an even 8-digits composite number following 28931763 and preceding 28931765. In scientific notation, it is written as 2.8931764 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors. There are 14192640 positive integers (up to 28931764) that are relatively prime to 28931764.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand seven hundred sixty-four

Notation

Scientific notation 2.8931764 × 10^7
Engineering notation 2.8931764 × 10^6

Prime Factorization of 28931764

Prime Factorization 2 × 2 × 89 × 181 × 449

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465882
Product of the distinct prime numbers

The prime factorization of 28931764 is 2 × 2 × 89 × 181 × 449. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 2, 91, 89, 938, 451, 3954, 187, 96473, 41144, 896515, 153196, 5080310, 7833506, 69986518, 22233597, 884981561, 882581076, 39824656, 5502672892

Basic calculations (n = 28931764)

Multiplication

n×y
n×2 57863528
n×3 86795292
n×4 115727056
n×5 144658820

Division

n÷y
n÷2 14465882
n÷3 9643921.3333333
n÷3 7232941
n÷5 5786352.8

Exponentiation

ny
n2 837046968151696
n3 2.421724533948E+22
n4 7.0064762689195E+29
n5 2.0270971788398E+37

Nth Root

y√n
2√n 5378.8255223608
3√n 306.99052480597
4√n 73.340476698484
5√n 31.065259283749

Divisors of 28931764

1, 2, 4, 89, 178, 181, 356, 362, 449, 724, 898, 1796, 16109, 32218, 39961, 64436, 79922, 81269, 159844, 162538, 325076, 7232941, 14465882, 28931764

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931763
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931764 can be divided by 24 positive divisors. The sum of these divisors (counting 28931764) is 1, the average is 0.041666666666667.

Base conversion 28931764

Base System Value
2 Binary 1101110010111011010110100
3 Ternary 2000102212220211
4 Quaternary 1232113122310
5 Quinary 24401304024
6 Senary 2512035204
8 Octal 156273264
10 Decimal 28931764
12 Duodecimal 9832b04
16 Hexadecimal 1b976b4
20 Vigesimal 90g984
36 Base36 h83w4

Cryptographic Hash Functions

md5 89629600060cb00935259f8136a56ce9
sha1 43b7f1a3dcadec179fb0ad4dbca8d3bd73f4ac8d
sha256 856d60967ad8def1527e1e2cb8c6eb52d7a6c56e01d3bd5a17a1971c518980b0
sha512 1bc4a8c8d9815e0f3ce21bceaab092398a7276d54d0c2f2e8a52f35630cfd6bf2272f693f4b0ddf4106efba66f12c5de89160572140e91e9c7b51e9ed2190194
ripemd-160 fa85a91c7d5eecd671768854a4de22c5f98e70a2

28931764 as geometric shapes

Circle

Radius = n
Diameter 57863528
Circumference 181783634.47559
Area 2.629660605855E+15

Sphere

Radius = n
Volume 1.0144096006492E+23
Surface area 1.051864242342E+16
Circumference 181783634.47559

Square

Length = n
Perimeter 115727056
Area 837046968151696
Diagonal 40915693.032178

Cube

Length = n
Surface area 5022281808910176
Volume 2.421724533948E+22
Space diagonal 50111285.200592

Equilateral Triangle

Length = n
Perimeter 86795292
Area 3.6245196929006E+14
Altitude 25055642.600296

Triangular Pyramid

Length = n
Surface area 3.6245196929006E+14
Volume 2.8540297335341E+21
Height 13638564.344059