28490638 is an even 8-digits composite number following 28490637
and preceding 28490639 . In scientific notation, it is written as 2.8490638 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 12831480 positive integers (up to 28490638) that are relatively prime to 28490638.
28490638 has 16 divisors, whose sum is 47052720
The reverse of 28490638 is 83609482
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million four hundred ninety thousand six hundred thirty-eight
Scientific notation
2.8490638 × 10^7
Engineering notation
2.8490638 × 10^6
Prime Factorization
2 × 11 × 109 × 109 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2398
Product of the distinct prime numbers
The prime factorization of 28490638 is 2 × 11 × 109 × 109 × 109.
Since it has a total of 5 prime factors.
2 , 7 , 75 , 89 , 208 , 19 , 8465 , 9510 , 88275 , 89726 , 469337 , 440473 , 8276667 , 6174472 , 35436508 , 21512190 , 555788375 , 710229503 , 9328800444 , 6955535033
n×2
56981276
n×3
85471914
n×4
113962552
n×5
142453190
n÷2
14245319
n÷3
9496879.3333333
n÷3
7122659.5
n÷5
5698127.6
n2
811716453647044
n3
2.3126319639502E+22
n4
6.5888360112133E+29
n5
1.8772014163684E+37
2 √n
5337.6622223591
3 √n
305.42228704144
4 √n
73.059306199547
5 √n
30.969945060013
1 , 2 , 11 , 22 , 109 , 218 , 1199 , 2398 , 11881 , 23762 , 130691 , 261382 , 1295029 , 2590058 , 14245319 , 28490638
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
-28490637
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 28490638 can be divided by 16 positive divisors.
The sum of these divisors (counting 28490638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100101011101110001110
3
Ternary
1222121110210211
4
Quaternary
1230223232032
5
Quinary
24243200023
6
Senary
2454353034
8
Octal
154535616
10
Decimal
28490638
12
Duodecimal
965b77a
16
Hexadecimal
1b2bb8e
20
Vigesimal
8i16bi
36
Base36
gynim
md5
a76630d2d4877dc5e5650c7359641b16
sha1
d0d9c81f8fabfbf42051d661fecbeb7b65999747
sha256
ec696eb0510af21a60022f9c5b6e1e444ea9896d10a2965c6104ecacdec9df6f
sha512
7cbca3aa706a190853985814c342b62de0f45b1e558c43bc7068307befab6ad9fd36753297aaac9d15b02bd11ce5d198af585a806994475f1140ee2593a69abb
ripemd-160
12a0eb4e87dd0ced3a5a9031aa2b7e8a9e624d65
Diameter
56981276
Circumference
179011958.07377
Area
2.5500824475755E+15
Volume
9.6871301178704E+22
Surface area
1.0200329790302E+16
Circumference
179011958.07377
Perimeter
113962552
Area
811716453647044
Diagonal
40291846.660262
Surface area
4870298721882264
Volume
2.3126319639502E+22
Space diagonal
49347232.556053
Perimeter
85471914
Area
3.5148353476408E+14
Altitude
24673616.278026
Surface area
3.5148353476408E+14
Volume
2.7254629068299E+21
Height
13430615.553421