28910007 is an odd 8-digits composite number following 28910006
and preceding 28910008 . In scientific notation, it is written as 2.8910007 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 16394400 positive integers (up to 28910007) that are relatively prime to 28910007.
28910007 has 24 divisors, whose sum is 44080608
The reverse of 28910007 is 70001982
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million nine hundred ten thousand seven
Scientific notation
2.8910007 × 10^7
Engineering notation
2.8910007 × 10^6
Prime Factorization
21 × 3 × 3 × 151 × 1013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9636669
Product of the distinct prime numbers
The prime factorization of 28910007 is 21 × 3 × 3 × 151 × 1013.
Since it has a total of 5 prime factors.
4 , 4 , 90 , 34 , 796 , 545 , 3189 , 7816 , 2118 , 68134 , 423567 , 267808 , 4914689 , 4105160 , 27482216 , 81782157 , 87867749 , 636780003 , 9061241167 , 1221176560
n×2
57820014
n×3
86730021
n×4
115640028
n×5
144550035
n÷2
14455003.5
n÷3
9636669
n÷3
7227501.75
n÷5
5782001.4
n2
835788504740049
n3
2.4162651522554E+22
n4
6.9854242465561E+29
n5
2.0194866386591E+37
2 √n
5376.8026744525
3 √n
306.91355210769
4 √n
73.326684600168
5 √n
31.060585595358
1 , 3 , 9 , 21 , 63 , 151 , 189 , 453 , 1013 , 1359 , 3039 , 3171 , 9117 , 9513 , 21273 , 28539 , 63819 , 152963 , 191457 , 458889 , 1376667 , 3212223 , 9636669 , 28910007
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28910006
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28910007 can be divided by 24 positive divisors.
The sum of these divisors (counting 28910007) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110010010000110110111
3
Ternary
2000101210002000
4
Quaternary
1232102012313
5
Quinary
24400110012
6
Senary
2511350343
8
Octal
156220667
10
Decimal
28910007
12
Duodecimal
98223b3
16
Hexadecimal
1b921b7
20
Vigesimal
90df07
36
Base36
h7n3r
md5
df102ae796275feb627c7618a676eddc
sha1
3df176567988d46b560bc6c0bc982ce8de6f6836
sha256
ff435c94f26da628ddce813bf199e9f394c55a5da059cac14fc9c1fc5f2a58f1
sha512
474752092ebb2887bc8f0bc5917f0e74c20cc0f45b6e020ee84476a7626733fc8e64572a794fc362414de6446a0471d043d15096cc59591fce55430a3709201e
ripemd-160
01a3e265c670a9394a49ee35d4a9426f2b53edd8
Diameter
57820014
Circumference
181646931.21286
Area
2.6257070264461E+15
Volume
1.0121227801934E+23
Surface area
1.0502828105785E+16
Circumference
181646931.21286
Perimeter
115640028
Area
835788504740049
Diagonal
40884923.987701
Surface area
5014731028440294
Volume
2.4162651522554E+22
Space diagonal
50073600.971172
Perimeter
86730021
Area
3.6190703864795E+14
Altitude
25036800.485586
Surface area
3.6190703864795E+14
Volume
2.8475957905076E+21
Height
13628307.9959