28981519 is an odd 8-digits composite number following 28981518
and preceding 28981520 . In scientific notation, it is written as 2.8981519 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 24841296 positive integers (up to 28981519) that are relatively prime to 28981519.
28981519 has 4 divisors, whose sum is 33121744
The reverse of 28981519 is 91518982
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million nine hundred eighty-one thousand five hundred nineteen
Scientific notation
2.8981519 × 10^7
Engineering notation
2.8981519 × 10^6
Prime Factorization
7 × 4140217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28981519
Product of the distinct prime numbers
The prime factorization of 28981519 is 7 × 4140217.
Since it has a total of 2 prime factors.
3 , 9 , 42 , 77 , 155 , 924 , 7854 , 4351 , 14753 , 46810 , 533016 , 878450 , 968532 , 2448174 , 15135659 , 69679912 , 609448839 , 208015042 , 2632408434 , 851729838
n×2
57963038
n×3
86944557
n×4
115926076
n×5
144907595
n÷2
14490759.5
n÷3
9660506.3333333
n÷3
7245379.75
n÷5
5796303.8
n2
839928443547361
n3
2.4342402145308E+22
n4
7.0547979027989E+29
n5
2.0445875946113E+37
2 √n
5383.4486158967
3 √n
307.16640492154
4 √n
73.371987951102
5 √n
31.075936751089
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28981518
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28981519 can be divided by 4 positive divisors.
The sum of these divisors (counting 28981519) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110100011100100001111
3
Ternary
2000112102011121
4
Quaternary
1232203210033
5
Quinary
24404402034
6
Senary
2513101411
8
Octal
156434417
10
Decimal
28981519
12
Duodecimal
9857867
16
Hexadecimal
1ba390f
20
Vigesimal
912dfj
36
Base36
h96a7
md5
f5adc6dc1614fed6a2e8d3c80242e5f4
sha1
9f5c709a3704064b14e79f26e0a9979b9628ef29
sha256
a58090955055757a7ae27968b8189d2d885d4b4f5fbf5e0f83d3bdae402f75c9
sha512
9ae60eb2a49c905355ae8fb8a3a22aa2cc02c18e6a6a22009d5ac1510621d56c5a3ccc30fbb0d77a1a9b4b7bb26db0f699bd5a4ff7448db2791796f8d68a0274
ripemd-160
f402ddd14937059dbe123ba61a7457c1ab707b50
Diameter
57963038
Circumference
182096254.36055
Area
2.6387130277895E+15
Volume
1.0196521566724E+23
Surface area
1.0554852111158E+16
Circumference
182096254.36055
Perimeter
115926076
Area
839928443547361
Diagonal
40986057.227974
Surface area
5039570661284166
Volume
2.4342402145308E+22
Space diagonal
50197463.388523
Perimeter
86944557
Area
3.6369968473657E+14
Altitude
25098731.694261
Surface area
3.6369968473657E+14
Volume
2.8687796045529E+21
Height
13662019.075991