28981512 is an even 8-digits composite number following 28981511
and preceding 28981513 . In scientific notation, it is written as 2.8981512 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 8280288 positive integers (up to 28981512) that are relatively prime to 28981512.
28981512 has 32 divisors, whose sum is 69004800
The reverse of 28981512 is 21518982
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred eighty-one thousand five hundred twelve
Scientific notation
2.8981512 × 10^7
Engineering notation
2.8981512 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 7 × 57503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7245378
Product of the distinct prime numbers
The prime factorization of 28981512 is 2 × 2 × 2 × 9 × 7 × 57503.
Since it has a total of 6 prime factors.
9 , 4 , 93 , 70 , 702 , 142 , 6242 , 2372 , 65828 , 61479 , 126425 , 661280 , 1057770 , 6691143 , 4910314 , 80956513 , 691701841 , 892192901 , 5922771554 , 494390638
n×2
57963024
n×3
86944536
n×4
115926048
n×5
144907560
n÷2
14490756
n÷3
9660504
n÷3
7245378
n÷5
5796302.4
n2
839928037806144
n3
2.4342384506815E+22
n4
7.0547910869288E+29
n5
2.0445851254332E+37
2 √n
5383.4479657558
3 √n
307.16638019124
4 √n
73.371983520658
5 √n
31.075935249915
1 , 2 , 4 , 7 , 8 , 9 , 14 , 18 , 28 , 36 , 56 , 63 , 72 , 126 , 252 , 504 , 57503 , 115006 , 230012 , 402521 , 460024 , 517527 , 805042 , 1035054 , 1610084 , 2070108 , 3220168 , 3622689 , 4140216 , 7245378 , 14490756 , 28981512
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28981511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28981512 can be divided by 32 positive divisors.
The sum of these divisors (counting 28981512) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110100011100100001000
3
Ternary
2000112102011100
4
Quaternary
1232203210020
5
Quinary
24404402022
6
Senary
2513101400
8
Octal
156434410
10
Decimal
28981512
12
Duodecimal
9857860
16
Hexadecimal
1ba3908
20
Vigesimal
912dfc
36
Base36
h96a0
md5
08fdcc1609b1de49b15ecc107b5f4948
sha1
442220c028f77399c97d713092ca457f42c4c147
sha256
c1a76787f8321ecb1a3833e21d66023e406d7c19081bd1d889cb55a0e4e5b10b
sha512
377ad6da82fb5f5285487b6021510633265f4a19f2010d95b1e8dc2ddc761124af87f12681b0738dbab95576a2a672e634fd1bd4d4c07fafdf8793c89ee51c30
ripemd-160
61f04642566ae7f1262b07f81e65d0b804625b59
Diameter
57963024
Circumference
182096210.37825
Area
2.6387117531159E+15
Volume
1.0196514178329E+23
Surface area
1.0554847012463E+16
Circumference
182096210.37825
Perimeter
115926048
Area
839928037806144
Diagonal
40986047.328479
Surface area
5039568226836864
Volume
2.4342384506815E+22
Space diagonal
50197451.264167
Perimeter
86944536
Area
3.6369950904547E+14
Altitude
25098725.632084
Surface area
3.6369950904547E+14
Volume
2.8687775258366E+21
Height
13662015.77616