28391350 is an even 8-digits composite number following 28391349
and preceding 28391351 . In scientific notation, it is written as 2.8391350 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 10137600 positive integers (up to 28391350) that are relatively prime to 28391350.
28391350 has 32 divisors, whose sum is 53602560
The reverse of 28391350 is 05319382
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million three hundred ninety-one thousand three hundred fifty
Scientific notation
2.8391350 × 10^7
Engineering notation
2.8391350 × 10^6
Prime Factorization
2 × 65 × 5 × 31 × 1409
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28391350
Product of the distinct prime numbers
The prime factorization of 28391350 is 2 × 65 × 5 × 31 × 1409.
Since it has a total of 5 prime factors.
3 , 8 , 47 , 4 , 39 , 343 , 7786 , 7643 , 63397 , 99955 , 627782 , 314023 , 5842764 , 5552760 , 39156691 , 95330095 , 855822917 , 450954500 , 9960954699 , 8229747038
n×2
56782700
n×3
85174050
n×4
113565400
n×5
141956750
n÷2
14195675
n÷3
9463783.3333333
n÷3
7097837.5
n÷5
5678270
n2
806068754822500
n3
2.288538014223E+22
n4
6.497468375011E+29
n5
1.8447189874887E+37
2 √n
5328.3534041953
3 √n
305.06708190348
4 √n
72.995571127263
5 √n
30.948329262707
1 , 2 , 5 , 10 , 31 , 62 , 65 , 130 , 155 , 310 , 325 , 650 , 1409 , 2015 , 2818 , 4030 , 7045 , 10075 , 14090 , 20150 , 43679 , 87358 , 91585 , 183170 , 218395 , 436790 , 457925 , 915850 , 2839135 , 5678270 , 14195675 , 28391350
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28391349
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28391350 can be divided by 32 positive divisors.
The sum of these divisors (counting 28391350) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100010011011110110110
3
Ternary
1222102102121111
4
Quaternary
1230103132312
5
Quinary
24232010400
6
Senary
2452305234
8
Octal
154233666
10
Decimal
28391350
12
Duodecimal
961221a
16
Hexadecimal
1b137b6
20
Vigesimal
8h8i7a
36
Base36
gwiwm
md5
d28c676747ac8dc85eb68a4acca5a78c
sha1
3cd98e650675348627d7ffe97c9374995e5e75e8
sha256
006333a441fee565277aa4630b5f96adb14418f42c400bf713174a142002a762
sha512
f0b8588f72e8558ce4a996562d28dd6e98251902c8fac70cc81fd2006b052a46e374b7e01be6036167381c01023c24cc557967efbf537c46dd878cb0298faa73
ripemd-160
1831bbeb60f9f9a6ed1e442f37a50d20e25335fb
Diameter
56782700
Circumference
178388113.17099
Area
2.5323396784386E+15
Volume
9.5862056172585E+22
Surface area
1.0129358713755E+16
Circumference
178388113.17099
Perimeter
113565400
Area
806068754822500
Diagonal
40151432.224081
Surface area
4836412528935000
Volume
2.288538014223E+22
Space diagonal
49175260.695471
Perimeter
85174050
Area
3.4903800943659E+14
Altitude
24587630.347735
Surface area
3.4903800943659E+14
Volume
2.6970679147671E+21
Height
13383810.74136