28157022 is an even 8-digits composite number following 28157021
and preceding 28157023 . In scientific notation, it is written as 2.8157022 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 9266400 positive integers (up to 28157022) that are relatively prime to 28157022.
28157022 has 24 divisors, whose sum is 61782240
The reverse of 28157022 is 22075182
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million one hundred fifty-seven thousand twenty-two
Scientific notation
2.8157022 × 10^7
Engineering notation
2.8157022 × 10^6
Prime Factorization
2 × 3 × 3 × 79 × 19801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9385674
Product of the distinct prime numbers
The prime factorization of 28157022 is 2 × 3 × 3 × 79 × 19801.
Since it has a total of 5 prime factors.
4 , 7 , 39 , 43 , 641 , 70 , 4780 , 6722 , 48507 , 36809 , 714616 , 439846 , 4330987 , 7908044 , 45346888 , 98391232 , 575498048 , 768389847 , 153128954 , 9438778077
n×2
56314044
n×3
84471066
n×4
112628088
n×5
140785110
n÷2
14078511
n÷3
9385674
n÷3
7039255.5
n÷5
5631404.4
n2
792817887908484
n3
2.2323390711833E+22
n4
6.2856020338767E+29
n5
1.7698383475111E+37
2 √n
5306.3190631548
3 √n
304.22547186879
4 √n
72.844485468392
5 √n
30.897073360454
1 , 2 , 3 , 6 , 9 , 18 , 79 , 158 , 237 , 474 , 711 , 1422 , 19801 , 39602 , 59403 , 118806 , 178209 , 356418 , 1564279 , 3128558 , 4692837 , 9385674 , 14078511 , 28157022
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28157021
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28157022 can be divided by 24 positive divisors.
The sum of these divisors (counting 28157022) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011011010010001011110
3
Ternary
1221222112011200
4
Quaternary
1223122101132
5
Quinary
24202011042
6
Senary
2443300330
8
Octal
153322136
10
Decimal
28157022
12
Duodecimal
951a6a6
16
Hexadecimal
1ada45e
20
Vigesimal
8fjcb2
36
Base36
gri3i
md5
39ac2ae341d5e56e841b1be0da7a8054
sha1
9faab550823292e890636ce9bd1c5814e6672cf5
sha256
309ddc54adccc5adca6ca595edceadbc34d199c37cab5e0fb4e44819b6488a75
sha512
2b53cd071a752808b8c0e3421f35b91768fe255bcc5311526ea69c47a09e8ee8b6d8cf660931a5c844208890b836f0028bfb51d0068d12f08609b19a8394cabd
ripemd-160
5f0b8c16e20feab119255153728f61dcbe3d347b
Diameter
56314044
Circumference
176915786.92433
Area
2.4907108522879E+15
Volume
9.3508000351344E+22
Surface area
9.9628434091515E+15
Circumference
176915786.92433
Perimeter
112628088
Area
792817887908484
Diagonal
39820042.388438
Surface area
4756907327450904
Volume
2.2323390711833E+22
Space diagonal
48769392.693835
Perimeter
84471066
Area
3.4330021575174E+14
Altitude
24384696.346917
Surface area
3.4330021575174E+14
Volume
2.6308368252356E+21
Height
13273347.462813