28931972 (number)

28931972 is an even 8-digits composite number following 28931971 and preceding 28931973. In scientific notation, it is written as 2.8931972 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 6 positive divisors. There are 14465984 positive integers (up to 28931972) that are relatively prime to 28931972.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8931972 × 10^7
Engineering notation 2.8931972 × 10^6

Prime Factorization of 28931972

Prime Factorization 2 × 2 × 7232993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14465986
Product of the distinct prime numbers

The prime factorization of 28931972 is 2 × 2 × 7232993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28931972)

Multiplication

n×y
n×2 57863944
n×3 86795916
n×4 115727888
n×5 144659860

Division

n÷y
n÷2 14465986
n÷3 9643990.6666667
n÷3 7232993
n÷5 5786394.4

Exponentiation

ny
n2 837059003808784
n3 2.4217767660544E+22
n4 7.0066777585735E+29
n5 2.0271700472407E+37

Nth Root

y√n
2√n 5378.844857402
3√n 306.99126048961
4√n 73.340608515351
5√n 31.065303951301

Divisors of 28931972

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931972 can be divided by 6 positive divisors. The sum of these divisors (counting 28931972) is 1, the average is 0.16666666666667.

Base conversion 28931972

Base System Value
2 Binary 1101110010111011110000100
3 Ternary 2000102220012112
4 Quaternary 1232113132010
5 Quinary 24401310342
6 Senary 2512040152
8 Octal 156273604
10 Decimal 28931972
12 Duodecimal 9833058
16 Hexadecimal 1b97784
20 Vigesimal 90g9ic
36 Base36 h841w

Cryptographic Hash Functions

md5 e7413a7d5be60bbb2821b1f76b7da951
sha1 51d95fb81bee434d825849ce91aa81149f92e647
sha256 37b5b2c1180bd43757ada15bb785e20303a00d0db674212c382a2d0f054d3b21
sha512 6d82df091284eb08e7038ccb9462b58982b47373408992f24117f68c82111e24c1950bb4efd2c617d7c523b3f93496d50c86c6d0989d82c4ecae46c8fd99ca9a
ripemd-160 36302b5fa9a1d798208613a3c8af6d3d9f06586a

28931972 as geometric shapes

Circle

Radius = n
Diameter 57863944
Circumference 181784941.37813
Area 2.6296984169869E+15

Sphere

Radius = n
Volume 1.0144314795828E+23
Surface area 1.0518793667947E+16
Circumference 181784941.37813

Square

Length = n
Perimeter 115727888
Area 837059003808784
Diagonal 40915987.188599

Cube

Length = n
Surface area 5022354022852704
Volume 2.4217767660544E+22
Space diagonal 50111645.46716

Equilateral Triangle

Length = n
Perimeter 86795916
Area 3.6245718088245E+14
Altitude 25055822.73358

Triangular Pyramid

Length = n
Surface area 3.6245718088245E+14
Volume 2.8540912896618E+21
Height 13638662.3962