28161489 is an odd 8-digits composite number following 28161488
and preceding 28161490 . In scientific notation, it is written as 2.8161489 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 18774324 positive integers (up to 28161489) that are relatively prime to 28161489.
28161489 has 4 divisors, whose sum is 37548656
The reverse of 28161489 is 98416182
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million one hundred sixty-one thousand four hundred eighty-nine
Scientific notation
2.8161489 × 10^7
Engineering notation
2.8161489 × 10^6
Prime Factorization
3 × 9387163
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28161489
Product of the distinct prime numbers
The prime factorization of 28161489 is 3 × 9387163.
Since it has a total of 2 prime factors.
2 , 1 , 19 , 43 , 359 , 201 , 9392 , 592 , 56994 , 32316 , 1358 , 206969 , 9226087 , 1586111 , 633209 , 68002875 , 371394927 , 500955379 , 9104758078 , 244720610
n×2
56322978
n×3
84484467
n×4
112645956
n×5
140807445
n÷2
14080744.5
n÷3
9387163
n÷3
7040372.25
n÷5
5632297.8
n2
793069462697121
n3
2.2334016949981E+22
n4
6.289591726627E+29
n5
1.771242682239E+37
2 √n
5306.7399597116
3 √n
304.24155907342
4 √n
72.847374418792
5 √n
30.898053637908
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
-28161488
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 28161489 can be divided by 4 positive divisors.
The sum of these divisors (counting 28161489) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011011010111010001
3
Ternary
1221222202022010
4
Quaternary
1223123113101
5
Quinary
24202131424
6
Senary
2443333133
8
Octal
153332721
10
Decimal
28161489
12
Duodecimal
95211a9
16
Hexadecimal
1adb5d1
20
Vigesimal
8g03e9
36
Base36
grljl
md5
4b8f13fe60731d29735e59d757ac57b7
sha1
a4275d4194123a1a9baed6fafe7d9875e618e1ec
sha256
310d0918e29a672e00f5c0af4d3bd7f6ef7027dcb96c54cb63c2b8ad8b902e0c
sha512
8fe8ed397112b1d73f6bcbe383268218219ab07efffce429282efe40c48c0eb41455d307dbe348a8163480c241be10fe7ac958802beac2bc1464f77b7b243778
ripemd-160
c043ee8bf5a05597e2e1c39ea7439d00f9870219
Diameter
56322978
Circumference
176943853.9131
Area
2.4915011977957E+15
Volume
9.3552511433613E+22
Surface area
9.9660047911827E+15
Circumference
176943853.9131
Perimeter
112645956
Area
793069462697121
Diagonal
39826359.680421
Surface area
4758416776182726
Volume
2.2334016949981E+22
Space diagonal
48777129.764792
Perimeter
84484467
Area
3.4340915083069E+14
Altitude
24388564.882396
Surface area
3.4340915083069E+14
Volume
2.6320891394111E+21
Height
13275453.226807