28998980 is an even 8-digits composite number following 28998979
and preceding 28998981 . In scientific notation, it is written as 2.8998980 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 11599584 positive integers (up to 28998980) that are relatively prime to 28998980.
28998980 has 12 divisors, whose sum is 60897900
The reverse of 28998980 is 08989982
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
twenty-eight million nine hundred ninety-eight thousand nine hundred eighty
Scientific notation
2.8998980 × 10^7
Engineering notation
2.8998980 × 10^6
Prime Factorization
2 × 2 × 5 × 1449949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14499490
Product of the distinct prime numbers
The prime factorization of 28998980 is 2 × 2 × 5 × 1449949.
Since it has a total of 4 prime factors.
5 , 9 , 100 , 21 , 872 , 634 , 2282 , 336 , 64828 , 82037 , 819519 , 132593 , 9594762 , 6151216 , 36547820 , 22895582 , 572767851 , 727618453 , 6000367478 , 4430900107
n×2
57997960
n×3
86996940
n×4
115995920
n×5
144994900
n÷2
14499490
n÷3
9666326.6666667
n÷3
7249745
n÷5
5799796
n2
840940841040400
n3
2.4386426630514E+22
n4
7.0718149812974E+29
n5
2.0507542120634E+37
2 √n
5385.0701016793
3 √n
307.22808049973
4 √n
73.383036879645
5 √n
31.079680421053
1 , 2 , 4 , 5 , 10 , 20 , 1449949 , 2899898 , 5799796 , 7249745 , 14499490 , 28998980
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
-28998979
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 28998980 can be divided by 12 positive divisors.
The sum of these divisors (counting 28998980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101110100111110101000100
3
Ternary
2000120022010022
4
Quaternary
1232213311010
5
Quinary
24410431410
6
Senary
2513314312
8
Octal
156476504
10
Decimal
28998980
12
Duodecimal
9865998
16
Hexadecimal
1ba7d44
20
Vigesimal
914h90
36
Base36
h9jr8
md5
0f7dbbdf1aba2e7e058be20191eb31ce
sha1
a13dd0a3c30bab2297d5983d4b756ee97b351f6f
sha256
d6769e6198f22edf38bcd992c5119229c9ea98a0a7c4ec6f24f227caf58f4130
sha512
66afa1270f454cf3e4c95faf84c4c3aa4b0a1fe6ffe045087d33ebab19ef5a0dce9ec758e8e9d2f0d8307b810395d8a080de903683042b6c0ce3f32cc23046ab
ripemd-160
7e0b2ef47960cad348adbccb6cf2ef54fe3a9c5f
Diameter
57997960
Circumference
182205965.05919
Area
2.6418935683161E+15
Volume
1.0214962499964E+23
Surface area
1.0567574273265E+16
Circumference
182205965.05919
Perimeter
115995920
Area
840940841040400
Diagonal
41010750.810986
Surface area
5045645046242400
Volume
2.4386426630514E+22
Space diagonal
50227706.727674
Perimeter
86996940
Area
3.6413806571042E+14
Altitude
25113853.363837
Surface area
3.6413806571042E+14
Volume
2.8739679398907E+21
Height
13670250.270329