28621838 is an even 8-digits composite number following 28621837
and preceding 28621839 . In scientific notation, it is written as 2.8621838 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 12241536 positive integers (up to 28621838) that are relatively prime to 28621838.
28621838 has 16 divisors, whose sum is 49165920
The reverse of 28621838 is 83812682
Previous prime number is 569
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million six hundred twenty-one thousand eight hundred thirty-eight
Scientific notation
2.8621838 × 10^7
Engineering notation
2.8621838 × 10^6
Prime Factorization
2 × 7 × 569 × 3593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28621838
Product of the distinct prime numbers
The prime factorization of 28621838 is 2 × 7 × 569 × 3593.
Since it has a total of 4 prime factors.
9 , 5 , 59 , 38 , 950 , 979 , 6845 , 7516 , 96254 , 22987 , 781149 , 197447 , 9057728 , 9927318 , 62672303 , 32645086 , 453121569 , 78356283 , 5951534017 , 8429062739
n×2
57243676
n×3
85865514
n×4
114487352
n×5
143109190
n÷2
14310919
n÷3
9540612.6666667
n÷3
7155459.5
n÷5
5724367.6
n2
819209610498244
n3
2.3447284759724E+22
n4
6.7110438593268E+29
n5
1.9208241015255E+37
2 √n
5349.9381304834
3 √n
305.89039462412
4 √n
73.143271259107
5 √n
30.998416116726
1 , 2 , 7 , 14 , 569 , 1138 , 3593 , 3983 , 7186 , 7966 , 25151 , 50302 , 2044417 , 4088834 , 14310919 , 28621838
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
-28621837
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 28621838 can be divided by 16 positive divisors.
The sum of these divisors (counting 28621838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101001011110000001110
3
Ternary
1222212010210002
4
Quaternary
1231023300032
5
Quinary
24311344323
6
Senary
2501244302
8
Octal
155136016
10
Decimal
28621838
12
Duodecimal
9703692
16
Hexadecimal
1b4bc0e
20
Vigesimal
8ihebi
36
Base36
h1gr2
md5
069a55b4d3c0568e2997efe1a48eb06a
sha1
3c1156a2ae05b9efdded2a390bd97b92a0b4167e
sha256
e0c2c31942704a6aff50e9fb0c05fbbe698b9d4ca3a11d972bd2ab5e074360d8
sha512
a2ad19d4426af4dcbfec8b94d694ca0b41b77ee2a1d0c7404f391be3c7cbb87f9664cfe3c8e9a1966fd817c5077251b30577d0938bf3fa7c53ed590f33e12357
ripemd-160
ec68f4f4212523c7e109a8a5fa9475add00bb819
Diameter
57243676
Circumference
179836311.98607
Area
2.5736228940914E+15
Volume
9.8215756730368E+22
Surface area
1.0294491576366E+16
Circumference
179836311.98607
Perimeter
114487352
Area
819209610498244
Diagonal
40477391.479646
Surface area
4915257662989464
Volume
2.3447284759724E+22
Space diagonal
49574477.622006
Perimeter
85865514
Area
3.5472816685792E+14
Altitude
24787238.811003
Surface area
3.5472816685792E+14
Volume
2.7632890090021E+21
Height
13492463.826549