28688839 is an odd 8-digits prime number following 28688838
and preceding 28688840 . In scientific notation, it is written as 2.8688839 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 28688838 positive integers (up to 28688839) that are relatively prime to 28688839.
28688839 has 2 divisors, whose sum is 28688840
The reverse of 28688839 is 93888682
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million six hundred eighty-eight thousand eight hundred thirty-nine
Scientific notation
2.8688839 × 10^7
Engineering notation
2.8688839 × 10^6
Prime Factorization
28688839
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28688839
Product of the distinct prime numbers
The prime factorization of 28688839 is 28688839.
Since it has a total of 1 prime factors.
5 , 1 , 4 , 39 , 997 , 877 , 6024 , 2111 , 67425 , 97202 , 179510 , 404346 , 5702696 , 201738 , 47549256 , 75206944 , 201057781 , 783787643 , 9322891411 , 3448893802
n×2
57377678
n×3
86066517
n×4
114755356
n×5
143444195
n÷2
14344419.5
n÷3
9562946.3333333
n÷3
7172209.75
n÷5
5737767.8
n2
823049483167921
n3
2.3612334111638E+22
n4
6.7741045174298E+29
n5
1.9434119386972E+37
2 √n
5356.1963182841
3 √n
306.1288953899
4 √n
73.186039094107
5 √n
31.012915415142
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28688840
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14344420
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5356.1964116339
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999302865
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28688839 can be divided by 2 positive divisors.
The sum of these divisors (counting 28688839) is 28688840, the average is 14344420.
Base
System
Value
2
Binary
1101101011100000111000111
3
Ternary
1222222112200121
4
Quaternary
1231130013013
5
Quinary
24321020324
6
Senary
2502522411
8
Octal
155340707
10
Decimal
28688839
12
Duodecimal
9736407
16
Hexadecimal
1b5c1c7
20
Vigesimal
8j621j
36
Base36
h2wg7
md5
d780d185397a9b855953d55ca9f3aea8
sha1
2d6dbfbba0255b0b2c013371dc4297a4809f0347
sha256
1f6df35debb65a0d130f8d5555908d4b8ea24186409ee334e789fa763b4061c9
sha512
69ecb5523f4942782a1c616e0470c6888e21cd86ed66fc2130ad929c2c33cf53ab4cebcfb6413b12844a6cec47463e38d5f94042e80f3cff4536b33d54c5b467
ripemd-160
c9df492f19bbce10944aa198954207a61c414e60
Diameter
57377678
Circumference
180257291.68484
Area
2.5856862098612E+15
Volume
9.8907113838972E+22
Surface area
1.0342744839445E+16
Circumference
180257291.68484
Perimeter
114755356
Area
823049483167921
Diagonal
40572145.202538
Surface area
4938296899007526
Volume
2.3612334111638E+22
Space diagonal
49690526.758163
Perimeter
86066517
Area
3.5639088049754E+14
Altitude
24845263.379082
Surface area
3.5639088049754E+14
Volume
2.7827402616636E+21
Height
13524048.400846