28661877 is an odd 8-digits composite number following 28661876
and preceding 28661878 . In scientific notation, it is written as 2.8661877 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 18930672 positive integers (up to 28661877) that are relatively prime to 28661877.
28661877 has 16 divisors, whose sum is 42856000
The reverse of 28661877 is 77816682
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million six hundred sixty-one thousand eight hundred seventy-seven
Scientific notation
2.8661877 × 10^7
Engineering notation
2.8661877 × 10^6
Prime Factorization
9 × 3 × 109 × 9739
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28661877
Product of the distinct prime numbers
The prime factorization of 28661877 is 9 × 3 × 109 × 9739.
Since it has a total of 4 prime factors.
3 , 10 , 81 , 51 , 745 , 785 , 1090 , 1861 , 82445 , 25862 , 798753 , 727948 , 714182 , 7112847 , 54687539 , 17353548 , 170755502 , 451770608 , 687870342 , 1512570838
n×2
57323754
n×3
85985631
n×4
114647508
n×5
143309385
n÷2
14330938.5
n÷3
9553959
n÷3
7165469.25
n÷5
5732375.4
n2
821503193163129
n3
2.3545823477549E+22
n4
6.7486749637722E+29
n5
1.9342969172462E+37
2 √n
5353.6788286187
3 √n
306.03296453789
4 √n
73.16883782471
5 √n
31.007083985445
1 , 3 , 9 , 27 , 109 , 327 , 981 , 2943 , 9739 , 29217 , 87651 , 262953 , 1061551 , 3184653 , 9553959 , 28661877
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
-28661876
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 28661877 can be divided by 16 positive divisors.
The sum of these divisors (counting 28661877) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010101100001110101
3
Ternary
1222221011201000
4
Quaternary
1231111201311
5
Quinary
24314140002
6
Senary
2502153513
8
Octal
155254165
10
Decimal
28661877
12
Duodecimal
9722899
16
Hexadecimal
1b55875
20
Vigesimal
8j2edh
36
Base36
h2bn9
md5
579597dce103728fc9072857706051df
sha1
02ddb886bf5d74ebe60beb0918252be9f5e699d0
sha256
32aa53d464169e72bf360dee2ac1e81690e611d5b4516aef51c449dc8a29d536
sha512
f6b31cb14f183e6d31fb8b8d09f81ec2f3f25d96db97c7585e3fddd4bf9a8024183c336211080b08dfbfce1d69d219e2a8928e5daa79d898fc795a3a60f56d76
ripemd-160
78a2f70cbc667f0569b005b2bc8b6d117b8d246c
Diameter
57323754
Circumference
180087884.44259
Area
2.5808283965418E+15
Volume
9.8628514746386E+22
Surface area
1.0323313586167E+16
Circumference
180087884.44259
Perimeter
114647508
Area
821503193163129
Diagonal
40534015.176469
Surface area
4929019158978774
Volume
2.3545823477549E+22
Space diagonal
49643827.20429
Perimeter
85985631
Area
3.5572131728465E+14
Altitude
24821913.602145
Surface area
3.5572131728465E+14
Volume
2.774901908266E+21
Height
13511338.392156