28931950 is an even 8-digits composite number following 28931949
and preceding 28931951 . In scientific notation, it is written as 2.8931950 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 11536800 positive integers (up to 28931950) that are relatively prime to 28931950.
28931950 has 16 divisors, whose sum is 45274320
The reverse of 28931950 is 05913982
Previous prime number is 419
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million nine hundred thirty-one thousand nine hundred fifty
Scientific notation
2.8931950 × 10^7
Engineering notation
2.8931950 × 10^6
Prime Factorization
2 × 25 × 419 × 1381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28931950
Product of the distinct prime numbers
The prime factorization of 28931950 is 2 × 25 × 419 × 1381.
Since it has a total of 4 prime factors.
4 , 4 , 52 , 81 , 118 , 891 , 5694 , 6692 , 53132 , 49444 , 584453 , 280101 , 4583763 , 1431869 , 89638580 , 58447842 , 783195616 , 319080506 , 7307323436 , 8071476491
n×2
57863900
n×3
86795850
n×4
115727800
n×5
144659750
n÷2
14465975
n÷3
9643983.3333333
n÷3
7232987.5
n÷5
5786390
n2
837057730802500
n3
2.4217712414691E+22
n4
7.0066564469623E+29
n5
2.0271623399069E+37
2 √n
5378.8428123529
3 √n
306.99118267708
4 √n
73.340594573216
5 √n
31.06529922686
1 , 2 , 25 , 50 , 419 , 838 , 1381 , 2762 , 10475 , 20950 , 34525 , 69050 , 578639 , 1157278 , 14465975 , 28931950
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931949
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931950 can be divided by 16 positive divisors.
The sum of these divisors (counting 28931950) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110010111011101101110
3
Ternary
2000102220011201
4
Quaternary
1232113131232
5
Quinary
24401310300
6
Senary
2512040114
8
Octal
156273556
10
Decimal
28931950
12
Duodecimal
983303a
16
Hexadecimal
1b9776e
20
Vigesimal
90g9ha
36
Base36
h841a
md5
9ae6c58ae232f8a8303f761448b1a548
sha1
953540104ee0ab881428aa5bf81052fd41a6219a
sha256
14503093c6336ad70f75e36a86273650547cd271f835479862c623b2788d52aa
sha512
8c84e0e691fa0833263788c643fced4666640d047d070d80d07b059a6cafa2ca37fbe133bd15ea05f03adcf640475f3f51df05f3a6b613cfd1d6923444455fbf
ripemd-160
1f9b383bd909f052732c78fd566b67542184579f
Diameter
57863900
Circumference
181784803.14805
Area
2.6296944177197E+15
Volume
1.0144291654499E+23
Surface area
1.0518777670879E+16
Circumference
181784803.14805
Perimeter
115727800
Area
837057730802500
Diagonal
40915956.0759
Surface area
5022346384815000
Volume
2.4217712414691E+22
Space diagonal
50111607.362042
Perimeter
86795850
Area
3.6245662965456E+14
Altitude
25055803.681021
Surface area
3.6245662965456E+14
Volume
2.8540847788757E+21
Height
13638652.0253