28931140 (number)

28931140 is an even 8-digits composite number following 28931139 and preceding 28931141. In scientific notation, it is written as 2.8931140 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 9919200 positive integers (up to 28931140) that are relatively prime to 28931140.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand one hundred forty

Notation

Scientific notation 2.8931140 × 10^7
Engineering notation 2.8931140 × 10^6

Prime Factorization of 28931140

Prime Factorization 2 × 2 × 5 × 7 × 206651

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14465570
Product of the distinct prime numbers

The prime factorization of 28931140 is 2 × 2 × 5 × 7 × 206651. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 47, 29, 386, 241, 9896, 7363, 90448, 20666, 887363, 27260, 2975201, 7768043, 37588879, 81245041, 437646017, 953745106, 6235674424, 1255282633

Basic calculations (n = 28931140)

Multiplication

n×y
n×2 57862280
n×3 86793420
n×4 115724560
n×5 144655700

Division

n÷y
n÷2 14465570
n÷3 9643713.3333333
n÷3 7232785
n÷5 5786228

Exponentiation

ny
n2 837010861699600
n3 2.4215678421352E+22
n4 7.0058718260311E+29
n5 2.0268785862096E+37

Nth Root

y√n
2√n 5378.7675168202
3√n 306.9883177339
4√n 73.340081243616
5√n 31.065125279552

Divisors of 28931140

1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206651, 413302, 826604, 1033255, 1446557, 2066510, 2893114, 4133020, 5786228, 7232785, 14465570, 28931140

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 -28931139
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 28931140 can be divided by 24 positive divisors. The sum of these divisors (counting 28931140) is 1, the average is 0.041666666666667.

Base conversion 28931140

Base System Value
2 Binary 1101110010111010001000100
3 Ternary 2000102212001201
4 Quaternary 1232113101010
5 Quinary 24401244030
6 Senary 2512032244
8 Octal 156272104
10 Decimal 28931140
12 Duodecimal 9832684
16 Hexadecimal 1b97444
20 Vigesimal 90g7h0
36 Base36 h83es

Cryptographic Hash Functions

md5 a868078381a11d475b07dd29e0e80190
sha1 7674e20a7cf14e505ac13175822aa2ea57cb9f8b
sha256 61d3ef46092e020bf4d9ea88b45ccda8b7d9cfb7b91d4544543117a8c958f51a
sha512 e1abc4bb7ef02ed9468fa0cbf1c4918ffe13e03b3786cd43402ed554498d63df72c6932085c9d8251e4e343df23ad2fe572489b784a9de030f91a4437b8581e6
ripemd-160 5b86e5097bd951e9eed80a6a84d26fe1199afb9f

28931140 as geometric shapes

Circle

Radius = n
Diameter 57862280
Circumference 181779713.76796
Area 2.6295471740903E+15

Sphere

Radius = n
Volume 1.0143439657362E+23
Surface area 1.0518188696361E+16
Circumference 181779713.76796

Square

Length = n
Perimeter 115724560
Area 837010861699600
Diagonal 40914810.562915

Cube

Length = n
Surface area 5022065170197600
Volume 2.4215678421352E+22
Space diagonal 50110204.400888

Equilateral Triangle

Length = n
Perimeter 86793420
Area 3.6243633473768E+14
Altitude 25055102.200444

Triangular Pyramid

Length = n
Surface area 3.6243633473768E+14
Volume 2.8538450704618E+21
Height 13638270.187638