28989868 is an even 8-digits composite number following 28989867
and preceding 28989869 . In scientific notation, it is written as 2.8989868 × 10^7.
The sum of its digits is 58. It has a total of 4 prime factors and 12 positive divisors.
There are 14290640 positive integers (up to 28989868) that are relatively prime to 28989868.
28989868 has 12 divisors, whose sum is 51447312
The reverse of 28989868 is 86898982
Previous prime number is 71
Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4
Name
twenty-eight million nine hundred eighty-nine thousand eight hundred sixty-eight
Scientific notation
2.8989868 × 10^7
Engineering notation
2.8989868 × 10^6
Prime Factorization
2 × 2 × 71 × 102077
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14494934
Product of the distinct prime numbers
The prime factorization of 28989868 is 2 × 2 × 71 × 102077.
Since it has a total of 4 prime factors.
9 , 2 , 10 , 16 , 578 , 450 , 4079 , 1206 , 11068 , 31880 , 335842 , 154254 , 8857510 , 9984551 , 13399845 , 6744100 , 482367068 , 862486717 , 2051952073 , 290388336
n×2
57979736
n×3
86969604
n×4
115959472
n×5
144949340
n÷2
14494934
n÷3
9663289.3333333
n÷3
7247467
n÷5
5797973.6
n2
840412446657424
n3
2.4363445894156E+22
n4
7.0629308049672E+29
n5
2.0475343172913E+37
2 √n
5384.2239923688
3 √n
307.19589826971
4 √n
73.377271633448
5 √n
31.077727016836
1 , 2 , 4 , 71 , 142 , 284 , 102077 , 204154 , 408308 , 7247467 , 14494934 , 28989868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28989867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28989868 can be divided by 12 positive divisors.
The sum of these divisors (counting 28989868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110100101100110101100
3
Ternary
2000112211121211
4
Quaternary
1232211212230
5
Quinary
24410133433
6
Senary
2513204204
8
Octal
156454654
10
Decimal
28989868
12
Duodecimal
9860664
16
Hexadecimal
1ba59ac
20
Vigesimal
913ed8
36
Base36
h9cq4
md5
92eedbaa9c6cefa73a1f19870c26ea69
sha1
c09393347ff6cc68195aedf7442825e9995af2c7
sha256
754bb1c92bf5f675c2738aa025fee28dac4c4d9cd824e3a80b08a67899718c82
sha512
0d78224b1cd275b5d90c784dcc2569d549c01358d54edd721eed5f7e8ba2af39ca0fa96d16c8c0de02f0b58c49cf79e8f3cce0e3ada15a491c2b0a47619f792a
ripemd-160
eee6940c000696ae948297ea80a4b315bbd4691d
Diameter
57979736
Circumference
182148712.67468
Area
2.6402335684044E+15
Volume
1.0205336351628E+23
Surface area
1.0560934273618E+16
Circumference
182148712.67468
Perimeter
115959472
Area
840412446657424
Diagonal
40997864.497006
Surface area
5042474679944544
Volume
2.4363445894156E+22
Space diagonal
50211924.280715
Perimeter
86969604
Area
3.6390926423098E+14
Altitude
25105962.140358
Surface area
3.6390926423098E+14
Volume
2.8712596341382E+21
Height
13665954.832335