28698739 is an odd 8-digits composite number following 28698738
and preceding 28698740 . In scientific notation, it is written as 2.8698739 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 28655424 positive integers (up to 28698739) that are relatively prime to 28698739.
28698739 has 4 divisors, whose sum is 28742056
The reverse of 28698739 is 93789682
Previous prime number is 673
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million six hundred ninety-eight thousand seven hundred thirty-nine
Scientific notation
2.8698739 × 10^7
Engineering notation
2.8698739 × 10^6
Prime Factorization
673 × 42643
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28698739
Product of the distinct prime numbers
The prime factorization of 28698739 is 673 × 42643.
Since it has a total of 2 prime factors.
1 , 4 , 66 , 79 , 490 , 236 , 2638 , 4585 , 71781 , 82106 , 724592 , 239832 , 8090955 , 7772732 , 90877831 , 93893550 , 195512578 , 144705547 , 3211671280 , 3319746183
n×2
57397478
n×3
86096217
n×4
114794956
n×5
143493695
n÷2
14349369.5
n÷3
9566246.3333333
n÷3
7174684.75
n÷5
5739747.8
n2
823617620190121
n3
2.3636787117637E+22
n4
6.7834598428764E+29
n5
1.9467674354769E+37
2 √n
5357.1204018577
3 √n
306.16410452379
4 √n
73.192352072178
5 √n
31.015055519114
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28698738
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28698739 can be divided by 4 positive divisors.
The sum of these divisors (counting 28698739) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101011110100001110011
3
Ternary
2000000001021021
4
Quaternary
1231132201303
5
Quinary
24321324424
6
Senary
2503040311
8
Octal
155364163
10
Decimal
28698739
12
Duodecimal
9740097
16
Hexadecimal
1b5e873
20
Vigesimal
8j76gj
36
Base36
h3437
md5
435554a0f02e3bca1d5db5357187157c
sha1
fb29cf1129f7e946f7768762d2a37e5ceb544983
sha256
f0903420d6abe6d96aa04d5ff666c94bf69bf1c81e4329fb3bc6388f7a5066ba
sha512
ee9096fec9cf2206b4498207439facc4cf9c81a94a2bbc48b99f39305dd5123c98ce0a132352e19189705cd0c0e3527305c0de8084b4ab810b90cb5257535dc2
ripemd-160
69ca706107c76b67ce0f1a4197edec64866dc8da
Diameter
57397478
Circumference
180319495.21938
Area
2.5874710649564E+15
Volume
9.9009542350981E+22
Surface area
1.0349884259826E+16
Circumference
180319495.21938
Perimeter
114794956
Area
823617620190121
Diagonal
40586145.916806
Surface area
4941705721140726
Volume
2.3636787117637E+22
Space diagonal
49707674.061158
Perimeter
86096217
Area
3.5663689104456E+14
Altitude
24853837.030579
Surface area
3.5663689104456E+14
Volume
2.7856220760574E+21
Height
13528715.305602