28931437 is an odd 8-digits composite number following 28931436
and preceding 28931438 . In scientific notation, it is written as 2.8931437 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 28855516 positive integers (up to 28931437) that are relatively prime to 28931437.
28931437 has 4 divisors, whose sum is 29007360
The reverse of 28931437 is 73413982
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million nine hundred thirty-one thousand four hundred thirty-seven
Scientific notation
2.8931437 × 10^7
Engineering notation
2.8931437 × 10^6
Prime Factorization
383 × 75539
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28931437
Product of the distinct prime numbers
The prime factorization of 28931437 is 383 × 75539.
Since it has a total of 2 prime factors.
3 , 10 , 45 , 23 , 622 , 71 , 9390 , 6147 , 99116 , 86488 , 342948 , 801342 , 3023377 , 9939675 , 10319412 , 79487488 , 543608825 , 192822829 , 5041849852 , 3333989678
n×2
57862874
n×3
86794311
n×4
115725748
n×5
144657185
n÷2
14465718.5
n÷3
9643812.3333333
n÷3
7232859.25
n÷5
5786287.4
n2
837028046884969
n3
2.4216424205686E+22
n4
7.0061595127207E+29
n5
2.0269826255423E+37
2 √n
5378.7951253046
3 √n
306.98936821928
4 √n
73.340269465721
5 √n
31.065189060684
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931436
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931437 can be divided by 4 positive divisors.
The sum of these divisors (counting 28931437) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110010111010101101101
3
Ternary
2000102212110201
4
Quaternary
1232113111231
5
Quinary
24401301222
6
Senary
2512033501
8
Octal
156272555
10
Decimal
28931437
12
Duodecimal
9832891
16
Hexadecimal
1b9756d
20
Vigesimal
90g8bh
36
Base36
h83n1
md5
1515a9942745f664d7f3fe9153156b7f
sha1
ba288c93fcc05628b41a5ce648034f62acc5120d
sha256
1bd86a67886c5c83fe2269002a645b7e0a4d5710a134f9904d40a68285e68a83
sha512
459f575b35d5e6be970f17c284f940e69504a9ca5c26203fafa5e26f2e87f3e9439cd1f63f7d0c11fee59ffd0b9c910136deb67520c6e3ec993148033d446d10
ripemd-160
027a538a52b8c57e555d43ae5b7831029655eb04
Diameter
57862874
Circumference
181781579.87399
Area
2.6296011629424E+15
Volume
1.0143752050773E+23
Surface area
1.051840465177E+16
Circumference
181781579.87399
Perimeter
115725748
Area
837028046884969
Diagonal
40915230.584343
Surface area
5022168281309814
Volume
2.4216424205686E+22
Space diagonal
50110718.819978
Perimeter
86794311
Area
3.6244377614123E+14
Altitude
25055359.409989
Surface area
3.6244377614123E+14
Volume
2.8539329619884E+21
Height
13638410.194781