28990906 is an even 8-digits composite number following 28990905
and preceding 28990907 . In scientific notation, it is written as 2.8990906 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 12088656 positive integers (up to 28990906) that are relatively prime to 28990906.
28990906 has 16 divisors, whose sum is 51042816
The reverse of 28990906 is 60909982
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million nine hundred ninety thousand nine hundred six
Scientific notation
2.8990906 × 10^7
Engineering notation
2.8990906 × 10^6
Prime Factorization
2 × 7 × 37 × 55967
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28990906
Product of the distinct prime numbers
The prime factorization of 28990906 is 2 × 7 × 37 × 55967.
Since it has a total of 4 prime factors.
7 , 2 , 4 , 79 , 174 , 860 , 4503 , 3141 , 29957 , 98444 , 229578 , 776600 , 4630064 , 3778903 , 89261642 , 26600092 , 837664848 , 367144986 , 5790863425 , 2047315679
n×2
57981812
n×3
86972718
n×4
115963624
n×5
144954530
n÷2
14495453
n÷3
9663635.3333333
n÷3
7247726.5
n÷5
5798181.2
n2
840472630700836
n3
2.4366063032221E+22
n4
7.0639424295718E+29
n5
2.0479009096513E+37
2 √n
5384.3203842268
3 √n
307.19956467178
4 √n
73.37792845418
5 √n
31.077949565063
1 , 2 , 7 , 14 , 37 , 74 , 259 , 518 , 55967 , 111934 , 391769 , 783538 , 2070779 , 4141558 , 14495453 , 28990906
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
-28990905
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 28990906 can be divided by 16 positive divisors.
The sum of these divisors (counting 28990906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110100101110110111010
3
Ternary
2000112220001021
4
Quaternary
1232211312322
5
Quinary
24410202111
6
Senary
2513213054
8
Octal
156456672
10
Decimal
28990906
12
Duodecimal
986118a
16
Hexadecimal
1ba5dba
20
Vigesimal
913h56
36
Base36
h9diy
md5
7d67ed3b665cc3f41862b552016e8e6e
sha1
2ea5b6bd52c7df0f2cde899abd3f56c387f3282f
sha256
dbe3fadcbac7ff4a6ded957f365b63b31d7781ba5d98ba457a11adc4053cc7c0
sha512
8090375a0757e10cd498353d7dc9e41f44042ddd8b1ea7f0479cdc21e56703566474793d9c793e3050d7de5ece173710327484bbb4bbdf7edda2a628952378e9
ripemd-160
5160c596e7bba3ea0b10024415e3930260d32fb1
Diameter
57981812
Circumference
182155234.62102
Area
2.640422642153E+15
Volume
1.0206432615857E+23
Surface area
1.0561690568612E+16
Circumference
182155234.62102
Perimeter
115963624
Area
840472630700836
Diagonal
40999332.450684
Surface area
5042835784205016
Volume
2.4366063032221E+22
Space diagonal
50213722.149453
Perimeter
86972718
Area
3.6393532468623E+14
Altitude
25106861.074727
Surface area
3.6393532468623E+14
Volume
2.871568066817E+21
Height
13666444.150228