28661898 is an even 8-digits composite number following 28661897
and preceding 28661899 . In scientific notation, it is written as 2.8661898 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 8957952 positive integers (up to 28661898) that are relatively prime to 28661898.
28661898 has 32 divisors, whose sum is 60925824
The reverse of 28661898 is 89816682
Previous prime number is 487
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million six hundred sixty-one thousand eight hundred ninety-eight
Scientific notation
2.8661898 × 10^7
Engineering notation
2.8661898 × 10^6
Prime Factorization
2 × 3 × 17 × 487 × 577
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28661898
Product of the distinct prime numbers
The prime factorization of 28661898 is 2 × 3 × 17 × 487 × 577.
Since it has a total of 5 prime factors.
5 , 3 , 94 , 91 , 421 , 458 , 4533 , 5284 , 62411 , 56175 , 324261 , 998929 , 92485 , 6027718 , 87517570 , 3805150 , 604536881 , 105855133 , 7750563581 , 393422469
n×2
57323796
n×3
85985694
n×4
114647592
n×5
143309490
n÷2
14330949
n÷3
9553966
n÷3
7165474.5
n÷5
5732379.6
n2
821504396962404
n3
2.3545875232288E+22
n4
6.7486947422856E+29
n5
1.9343040033653E+37
2 √n
5353.6807898865
3 √n
306.03303927934
4 √n
73.168851227052
5 √n
31.007088529101
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 487 , 577 , 974 , 1154 , 1461 , 1731 , 2922 , 3462 , 8279 , 9809 , 16558 , 19618 , 24837 , 29427 , 49674 , 58854 , 280999 , 561998 , 842997 , 1685994 , 4776983 , 9553966 , 14330949 , 28661898
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28661897
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28661898 can be divided by 32 positive divisors.
The sum of these divisors (counting 28661898) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101010101100010001010
3
Ternary
1222221011201210
4
Quaternary
1231111202022
5
Quinary
24314140043
6
Senary
2502153550
8
Octal
155254212
10
Decimal
28661898
12
Duodecimal
97228b6
16
Hexadecimal
1b5588a
20
Vigesimal
8j2eei
36
Base36
h2bnu
md5
0d85b76c7e7b46bf7952ac4c4fccd727
sha1
ec710187be8310c018083c011e46bfe9f9b9d81e
sha256
0d58d2da77ee36f72bf4dc450cf8604ab4425e58f40acc91a9c58689d010c7cd
sha512
5f98a2ed372c2d6a6c9268b8933141e1d02a4384acbb8957c8aaf3e0c293247929e095d2e3abb8abbf26eb139d7b1cd7909744d63c90772b94d250b4b84898d4
ripemd-160
3c2f7010b921ef3ef6a75fd85f4d9aeef1053873
Diameter
57323796
Circumference
180088016.38948
Area
2.5808321783888E+15
Volume
9.862873153613E+22
Surface area
1.0323328713555E+16
Circumference
180088016.38948
Perimeter
114647592
Area
821504396962404
Diagonal
40534044.874954
Surface area
4929026381774424
Volume
2.3545875232288E+22
Space diagonal
49643863.577357
Perimeter
85985694
Area
3.5572183854503E+14
Altitude
24821931.788678
Surface area
3.5572183854503E+14
Volume
2.7749080076205E+21
Height
13511348.291651