28996917 is an odd 8-digits composite number following 28996916
and preceding 28996918 . In scientific notation, it is written as 2.8996917 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 18145280 positive integers (up to 28996917) that are relatively prime to 28996917.
28996917 has 8 divisors, whose sum is 29644992
The reverse of 28996917 is 71969982
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million nine hundred ninety-six thousand nine hundred seventeen
Scientific notation
2.8996917 × 10^7
Engineering notation
2.8996917 × 10^6
Prime Factorization
51 × 641 × 887
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28996917
Product of the distinct prime numbers
The prime factorization of 28996917 is 51 × 641 × 887.
Since it has a total of 3 prime factors.
4 , 4 , 38 , 22 , 394 , 589 , 7118 , 5326 , 84935 , 40183 , 213433 , 49653 , 4006710 , 8922803 , 6439400 , 34110574 , 759254379 , 634787691 , 7573225455 , 4904899115
n×2
57993834
n×3
86990751
n×4
115987668
n×5
144984585
n÷2
14498458.5
n÷3
9665639
n÷3
7249229.25
n÷5
5799383.4
n2
840821195504889
n3
2.4381222417896E+22
n4
7.0698028281027E+29
n5
2.0500248581286E+37
2 √n
5384.8785501625
3 √n
307.22079488071
4 √n
73.381731719567
5 √n
31.079238204083
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28996916
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28996917 can be divided by 8 positive divisors.
The sum of these divisors (counting 28996917) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100111010100110101
3
Ternary
2000120012021220
4
Quaternary
1232213110311
5
Quinary
24410400132
6
Senary
2513300553
8
Octal
156472465
10
Decimal
28996917
12
Duodecimal
9864759
16
Hexadecimal
1ba7535
20
Vigesimal
914c5h
36
Base36
h9i5x
md5
43c03bf81d519401eaede54819f1c60e
sha1
00def5e642204e6aa8c77c531d91378f101f6ce6
sha256
76d0d141df178d9bab2a8605e81348211890fa798feb5c7c2e8d6424c02c2f60
sha512
21c491ae2eacdcbf8f94689ac8b8109fec40a99e94a980397624b69f99740236acdab46eaf4d9095cd364cd248f0eafb0ca26aa0ed8bdc71bb824e3fbae0a03d
ripemd-160
33c1a5373fb7d5ed87b4d248ff41cfc2b5c5272e
Diameter
57993834
Circumference
182193002.84791
Area
2.6415176907807E+15
Volume
1.021278256448E+23
Surface area
1.0566070763123E+16
Circumference
182193002.84791
Perimeter
115987668
Area
840821195504889
Diagonal
41007833.288407
Surface area
5044927173029334
Volume
2.4381222417896E+22
Space diagonal
50224133.506858
Perimeter
86990751
Area
3.6408625767382E+14
Altitude
25112066.753429
Surface area
3.6408625767382E+14
Volume
2.873354617552E+21
Height
13669277.762802