28990903 is an odd 8-digits composite number following 28990902
and preceding 28990904 . In scientific notation, it is written as 2.8990903 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 27465048 positive integers (up to 28990903) that are relatively prime to 28990903.
28990903 has 4 divisors, whose sum is 30516760
The reverse of 28990903 is 30909982
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million nine hundred ninety thousand nine hundred three
Scientific notation
2.8990903 × 10^7
Engineering notation
2.8990903 × 10^6
Prime Factorization
19 × 1525837
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28990903
Product of the distinct prime numbers
The prime factorization of 28990903 is 19 × 1525837.
Since it has a total of 2 prime factors.
2 , 6 , 82 , 41 , 262 , 518 , 9574 , 3740 , 44788 , 16360 , 745222 , 307895 , 6324983 , 8984411 , 94776574 , 87150545 , 355889655 , 272354627 , 3324491757 , 3908262099
n×2
57981806
n×3
86972709
n×4
115963612
n×5
144954515
n÷2
14495451.5
n÷3
9663634.3333333
n÷3
7247725.75
n÷5
5798180.6
n2
840472456755409
n3
2.4366055467968E+22
n4
7.0639395056447E+29
n5
2.0478998500601E+37
2 √n
5384.3201056401
3 √n
307.19955407537
4 √n
73.37792655588
5 √n
31.077948921869
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
-28990902
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 28990903 can be divided by 4 positive divisors.
The sum of these divisors (counting 28990903) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100101110110110111
3
Ternary
2000112220001011
4
Quaternary
1232211312313
5
Quinary
24410202103
6
Senary
2513213051
8
Octal
156456667
10
Decimal
28990903
12
Duodecimal
9861187
16
Hexadecimal
1ba5db7
20
Vigesimal
913h53
36
Base36
h9div
md5
04906ce9e4bd56345da74fdb5d785c17
sha1
13fa4759f4e9bb48991e41610747452c963119f4
sha256
44ea5f520d00bfec765bc0f28336881ef5d993f2e938ee295340cdb7d184284f
sha512
023585f7327c6e3d244214d7ec1ef5418db8968b3a112d655e130861255952cfe56e06d775ce99c10302ca63acc05514ead6ba1dcb9c8ad73cc7af3fc2ee446d
ripemd-160
653e15aa1b173d40f73bdff157a7ac258e4bd49c
Diameter
57981806
Circumference
182155215.77147
Area
2.6404220956874E+15
Volume
1.0206429447351E+23
Surface area
1.0561688382749E+16
Circumference
182155215.77147
Perimeter
115963612
Area
840472456755409
Diagonal
40999328.208043
Surface area
5042834740532454
Volume
2.4366055467968E+22
Space diagonal
50213716.953301
Perimeter
86972709
Area
3.6393524936565E+14
Altitude
25106858.47665
Surface area
3.6393524936565E+14
Volume
2.8715671753613E+21
Height
13666442.736014