28681649 is an odd 8-digits prime number following 28681648
and preceding 28681650 . In scientific notation, it is written as 2.8681649 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 28681648 positive integers (up to 28681649) that are relatively prime to 28681649.
28681649 has 2 divisors, whose sum is 28681650
The reverse of 28681649 is 94618682
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-eight million six hundred eighty-one thousand six hundred forty-nine
Scientific notation
2.8681649 × 10^7
Engineering notation
2.8681649 × 10^6
Prime Factorization
28681649
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28681649
Product of the distinct prime numbers
The prime factorization of 28681649 is 28681649.
Since it has a total of 1 prime factors.
2 , 2 , 67 , 92 , 618 , 431 , 8182 , 4908 , 51488 , 36608 , 665675 , 989389 , 6677815 , 2384146 , 10468407 , 94936375 , 132123546 , 67024413 , 2370832889 , 1847842340
n×2
57363298
n×3
86044947
n×4
114726596
n×5
143408245
n÷2
14340824.5
n÷3
9560549.6666667
n÷3
7170412.25
n÷5
5736329.8
n2
822636989359201
n3
2.3594585383217E+22
n4
6.7673161626197E+29
n5
1.9409778684829E+37
2 √n
5355.5250909691
3 √n
306.10331923395
4 √n
73.181453189788
5 √n
31.011360767226
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28681650
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14340825
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5355.5251843307
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999930269
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28681649 can be divided by 2 positive divisors.
The sum of these divisors (counting 28681649) is 28681650, the average is 14340825.
Base
System
Value
2
Binary
1101101011010010110110001
3
Ternary
1222222011211022
4
Quaternary
1231122112301
5
Quinary
24320303044
6
Senary
2502425225
8
Octal
155322661
10
Decimal
28681649
12
Duodecimal
9732215
16
Hexadecimal
1b5a5b1
20
Vigesimal
8j5429
36
Base36
h2qwh
md5
478f040c3399c32cd1685d92b8caa84a
sha1
5fdde6274d1fe4e106b4e7ba528f669684d53f60
sha256
288995d4ba66798a33de8227683486a005a309a9a289ce92574671d62fbe816d
sha512
de29e8123394d3fae74b463c42f5288fc8aa0cf9ac1e0864611f47c60f888a67593bec08f2414835963b81b210d3d90a5eac185002d36ba4557bfc4eeee6d64e
ripemd-160
c23ad70dfd50c54e5a8976bb7b2e6be70817e159
Diameter
57363298
Circumference
180212115.58248
Area
2.5843903223421E+15
Volume
9.8832768139217E+22
Surface area
1.0337561289368E+16
Circumference
180212115.58248
Perimeter
114726596
Area
822636989359201
Diagonal
40561977.007025
Surface area
4935821936155206
Volume
2.3594585383217E+22
Space diagonal
49678073.312857
Perimeter
86044947
Area
3.5621226543891E+14
Altitude
24839036.656429
Surface area
3.5621226543891E+14
Volume
2.7806485539597E+21
Height
13520659.002342