28939974 is an even 8-digits composite number following 28939973
and preceding 28939975 . In scientific notation, it is written as 2.8939974 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 8154432 positive integers (up to 28939974) that are relatively prime to 28939974.
28939974 has 16 divisors, whose sum is 46104960
The reverse of 28939974 is 47993982
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million nine hundred thirty-nine thousand nine hundred seventy-four
Scientific notation
2.8939974 × 10^7
Engineering notation
2.8939974 × 10^6
Prime Factorization
2 × 21 × 73 × 9439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28939974
Product of the distinct prime numbers
The prime factorization of 28939974 is 2 × 21 × 73 × 9439.
Since it has a total of 4 prime factors.
1 , 5 , 74 , 81 , 416 , 86 , 2780 , 4056 , 62268 , 13224 , 536202 , 720711 , 1094700 , 1469344 , 23412860 , 76227938 , 699670677 , 916327631 , 345791679 , 618549179
n×2
57879948
n×3
86819922
n×4
115759896
n×5
144699870
n÷2
14469987
n÷3
9646658
n÷3
7234993.5
n÷5
5787994.8
n2
837522095120676
n3
2.4237867657218E+22
n4
7.0144325981533E+29
n5
2.0299749701531E+37
2 √n
5379.588645984
3 √n
307.01956041128
4 √n
73.345679122795
5 √n
31.067022168541
1 , 2 , 21 , 42 , 73 , 146 , 1533 , 3066 , 9439 , 18878 , 198219 , 396438 , 689047 , 1378094 , 14469987 , 28939974
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
-28939973
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 28939974 can be divided by 16 positive divisors.
The sum of these divisors (counting 28939974) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011001011011000110
3
Ternary
2000110022011220
4
Quaternary
1232121123012
5
Quinary
24402034344
6
Senary
2512141210
8
Octal
156313306
10
Decimal
28939974
12
Duodecimal
9837806
16
Hexadecimal
1b996c6
20
Vigesimal
90h9ie
36
Base36
h8a86
md5
2c3784e374d3f94172cc475b59bc31cb
sha1
97f39b448efcaffce735b7777e2572c4f9174895
sha256
4d658eb98ba72156efb3caaf8d4b87a59b4646ec90eea81a194156a98b631bf9
sha512
6873bc40a496effdfe974a6add3ead908587bd91d936dc2f60fe75ce9f5937ecd5df86849654ec22547fccac4dd1e386d2302578e1b23f45d35224173d4957da
ripemd-160
b780e71c204c19710bf1c9ea8fb2601f26792f84
Diameter
57879948
Circumference
181835219.42696
Area
2.6311532612502E+15
Volume
1.0152734262746E+23
Surface area
1.0524613045001E+16
Circumference
181835219.42696
Perimeter
115759896
Area
837522095120676
Diagonal
40927303.725525
Surface area
5025132570724056
Volume
2.4237867657218E+22
Space diagonal
50125505.337722
Perimeter
86819922
Area
3.6265770530264E+14
Altitude
25062752.668861
Surface area
3.6265770530264E+14
Volume
2.8564600969868E+21
Height
13642434.575175