28931372 (number)

28931372 is an even 8-digits composite number following 28931371 and preceding 28931373. In scientific notation, it is written as 2.8931372 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 14426160 positive integers (up to 28931372) that are relatively prime to 28931372.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand three hundred seventy-two

Notation

Scientific notation 2.8931372 × 10^7
Engineering notation 2.8931372 × 10^6

Prime Factorization of 28931372

Prime Factorization 2 × 2 × 373 × 19391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14465686
Product of the distinct prime numbers

The prime factorization of 28931372 is 2 × 2 × 373 × 19391. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 26, 39, 105, 167, 6724, 4266, 39659, 75205, 394535, 391432, 19792, 7537442, 64106438, 31250821, 254881289, 951157316, 2327240209, 610018556

Basic calculations (n = 28931372)

Multiplication

n×y
n×2 57862744
n×3 86794116
n×4 115725488
n×5 144656860

Division

n÷y
n÷2 14465686
n÷3 9643790.6666667
n÷3 7232843
n÷5 5786274.4

Exponentiation

ny
n2 837024285802384
n3 2.4216260985583E+22
n4 7.0060965502299E+29
n5 2.0269598556262E+37

Nth Root

y√n
2√n 5378.7890830558
3√n 306.98913831569
4√n 73.340228272455
5√n 31.065175101895

Divisors of 28931372

1, 2, 4, 373, 746, 1492, 19391, 38782, 77564, 7232843, 14465686, 28931372

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 -28931371
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 28931372 can be divided by 12 positive divisors. The sum of these divisors (counting 28931372) is 1, the average is 0.083333333333333.

Base conversion 28931372

Base System Value
2 Binary 1101110010111010100101100
3 Ternary 2000102212101022
4 Quaternary 1232113110230
5 Quinary 24401300442
6 Senary 2512033312
8 Octal 156272454
10 Decimal 28931372
12 Duodecimal 9832838
16 Hexadecimal 1b9752c
20 Vigesimal 90g88c
36 Base36 h83l8

Cryptographic Hash Functions

md5 638e4d9b08b5e43167e818f81697dd60
sha1 ad8c60c40a2a02dda09a10d6967d5f81d21b546d
sha256 11fc31187189a6885f3579176970bceb28f682f06dde6531105009c109ff084c
sha512 b046cff7b7569234570ffc80e350c0e5d35c88e4f331b4076e0ab4986b128514e4e3e01f30e59fc79d6330cf3e4932f5ee518a4f2e8a27d1bcd7a1da5caf1b41
ripemd-160 47ae0f4b1838a5bfea38a548f7513eab583ede71

28931372 as geometric shapes

Circle

Radius = n
Diameter 57862744
Circumference 181781171.46695
Area 2.629589347153E+15

Sphere

Radius = n
Volume 1.0143683681296E+23
Surface area 1.0518357388612E+16
Circumference 181781171.46695

Square

Length = n
Perimeter 115725488
Area 837024285802384
Diagonal 40915138.660461

Cube

Length = n
Surface area 5022145714814304
Volume 2.4216260985583E+22
Space diagonal 50110606.236676

Equilateral Triangle

Length = n
Perimeter 86794116
Area 3.624421475447E+14
Altitude 25055303.118338

Triangular Pyramid

Length = n
Surface area 3.624421475447E+14
Volume 2.8539137263148E+21
Height 13638379.553487