28698729 is an odd 8-digits composite number following 28698728
and preceding 28698730 . In scientific notation, it is written as 2.8698729 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 18665760 positive integers (up to 28698729) that are relatively prime to 28698729.
28698729 has 8 divisors, whose sum is 39198432
The reverse of 28698729 is 92789682
Previous prime number is 41
Is Prime? no Number parity odd Number length 8 Sum of Digits 51 Digital Root 6
Name
twenty-eight million six hundred ninety-eight thousand seven hundred twenty-nine
Scientific notation
2.8698729 × 10^7
Engineering notation
2.8698729 × 10^6
Prime Factorization
3 × 41 × 233323
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
28698729 Product of the distinct prime numbers
The prime factorization of 28698729 is 3 × 41 × 233323.
Since it has a total of 3 prime factors.
6 , 5 , 76 , 86 , 880 , 309 , 1544 , 275 , 33014 , 6497 , 587419 , 996345 , 3108838 , 157236 , 17158685 , 18268226 , 836851787 , 803925064 , 6320835090 , 5108381324
n×2
57397458
n×3
86096187
n×4
114794916
n×5
143493645
n÷2
14349364.5
n÷3
9566243
n÷3
7174682.25
n÷5
5739745.8
n2
823617046215441
n3
2.3636762409117E+22
n4
6.7834503881665E+29
n5
1.9467640437493E+37
2 √n5357.1194685204
3 √n306.1640689631
4 √n73.192345696257
5 √n31.015053357691
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-28698728 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28698729 can be divided by 8 positive divisors.
The sum of these divisors (counting 28698729) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101011110100001101001
3
Ternary
2000000001020220
4
Quaternary
1231132201221
5
Quinary
24321324404
6
Senary
2503040253
8
Octal
155364151
10
Decimal
28698729
12
Duodecimal
9740089
16
Hexadecimal
1b5e869
20
Vigesimal
8j76g9
36
Base36
h342x
md5
a0983b304b9612ce4984adb390e424c1
sha1
bb17a15c2c7997281d1f806c46cb0f2fb2e301fd
sha256
eb01a11afa24c906eb427a4ff2136dbe34c9cf5b9e687edaabf35bb91d38dbc4
sha512
1795eda3f30989e8c0b23cca358f20825707c571d08bb330c1617b613b0d36363363a780204f969518d5c20d76478c2122fb4f4184fcd9c9d49457ee2f03d675
ripemd-160
205e8c22273e338b27765d6b4c64a590460ac189
Diameter
57397458
Circumference
180319432.38753
Area
2.5874692617618E+15
Volume
9.9009438852174E+22
Surface area
1.0349877047047E+16
Circumference
180319432.38753
Perimeter
114794916
Area
823617046215441
Diagonal
40586131.77467
Surface area
4941702277292646
Volume
2.3636762409117E+22
Space diagonal
49707656.74065
Perimeter
86096187
Area
3.5663664250624E+14
Altitude
24853828.370325
Surface area
3.5663664250624E+14
Volume
2.7856191641304E+21
Height
13528710.591557