28002904 is an even 8-digits composite number following 28002903
and preceding 28002905 . In scientific notation, it is written as 2.8002904 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 13771680 positive integers (up to 28002904) that are relatively prime to 28002904.
28002904 has 16 divisors, whose sum is 53367120
The reverse of 28002904 is 40920082
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-eight million two thousand nine hundred four
Scientific notation
2.8002904 × 10^7
Engineering notation
2.8002904 × 10^6
Prime Factorization
2 × 2 × 2 × 61 × 57383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7000726
Product of the distinct prime numbers
The prime factorization of 28002904 is 2 × 2 × 2 × 61 × 57383.
Since it has a total of 5 prime factors.
1 , 6 , 72 , 76 , 88 , 882 , 9606 , 8279 , 22305 , 84671 , 452776 , 661997 , 4788731 , 1258180 , 49262850 , 1981496 , 514667485 , 979293693 , 9511283385 , 4318847940
n×2
56005808
n×3
84008712
n×4
112011616
n×5
140014520
n÷2
14001452
n÷3
9334301.3333333
n÷3
7000726
n÷5
5600580.8
n2
784162632433216
n3
2.1958830916415E+22
n4
6.1491103410459E+29
n5
1.7219294656572E+37
2 √n
5291.7770172221
3 √n
303.66939474653
4 √n
72.744601292619
5 √n
30.863175918933
1 , 2 , 4 , 8 , 61 , 122 , 244 , 488 , 57383 , 114766 , 229532 , 459064 , 3500363 , 7000726 , 14001452 , 28002904
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
-28002903
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 28002904 can be divided by 16 positive divisors.
The sum of these divisors (counting 28002904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110100101001011000
3
Ternary
1221200200202121
4
Quaternary
1222310221120
5
Quinary
24132043104
6
Senary
2440111024
8
Octal
152645130
10
Decimal
28002904
12
Duodecimal
9465474
16
Hexadecimal
1ab4a58
20
Vigesimal
8f0754
36
Base36
go76g
md5
28cd627a87a6dc4e18b9df7ef194c9fc
sha1
9b9f2d05c70433c0c93514df67fc65104f32105b
sha256
12f38ed1583158a8fe9f685b721b3300e0c38bff885fcc67a17879fc8d882dc1
sha512
8a363ccfeea02fa21282070eaa80f44e4341b151841bee9a67f69ccc3aadf7fba5d78665624a1ef211cb33d34b0dadce84c3672e5c0b002a1d1df6c94247b593
ripemd-160
31750dbbf5a14f37f1ff9ee42fe4291cbc07b2c4
Diameter
56005808
Circumference
175947434.97116
Area
2.4635195652718E+15
Volume
9.1980935851238E+22
Surface area
9.8540782610873E+15
Circumference
175947434.97116
Perimeter
112011616
Area
784162632433216
Diagonal
39602086.622632
Surface area
4704975794599296
Volume
2.1958830916415E+22
Space diagonal
48502452.487474
Perimeter
84008712
Area
3.3955238019282E+14
Altitude
24251226.243737
Surface area
3.3955238019282E+14
Volume
2.5878730413209E+21
Height
13200695.540877