28161043 is an odd 8-digits composite number following 28161042
and preceding 28161044 . In scientific notation, it is written as 2.8161043 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 27992248 positive integers (up to 28161043) that are relatively prime to 28161043.
28161043 has 4 divisors, whose sum is 28329840
The reverse of 28161043 is 34016182
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-eight million one hundred sixty-one thousand forty-three
Scientific notation
2.8161043 × 10^7
Engineering notation
2.8161043 × 10^6
Prime Factorization
167 × 168629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28161043
Product of the distinct prime numbers
The prime factorization of 28161043 is 167 × 168629.
Since it has a total of 2 prime factors.
7 , 8 , 31 , 97 , 301 , 571 , 2295 , 2276 , 61353 , 7641 , 11426 , 383690 , 7011942 , 8426549 , 14731743 , 50253808 , 431808261 , 914027794 , 7264874840 , 4170335983
n×2
56322086
n×3
84483129
n×4
112644172
n×5
140805215
n÷2
14080521.5
n÷3
9387014.3333333
n÷3
7040260.75
n÷5
5632208.6
n2
793044342847849
n3
2.2332955839845E+22
n4
6.2891932972298E+29
n5
1.771102428786E+37
2 √n
5306.6979375126
3 √n
304.23995295035
4 √n
72.847085991909
5 √n
30.897955769367
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
-28161042
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 28161043 can be divided by 4 positive divisors.
The sum of these divisors (counting 28161043) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011011010000010011
3
Ternary
1221222201200121
4
Quaternary
1223123100103
5
Quinary
24202123133
6
Senary
2443331111
8
Octal
153332023
10
Decimal
28161043
12
Duodecimal
9520a97
16
Hexadecimal
1adb413
20
Vigesimal
8g02c3
36
Base36
grl77
md5
96837483d32ab633d6724509368b0709
sha1
357cdb6629063ffc5806e7d7e480c55e7788ea23
sha256
0500d4e0a605a54f7be1b1946e7a191f61d0661ce54dd2253bcaa13383c233f1
sha512
8c7a673bc1a053048bb634dc1e16d6ab113e271c73df772ed38cd7af8799dfc79beecd472e07b61d6f12ca3a37a726e9868055601738adf8afcd7b15a3a0f885
ripemd-160
fda074fcaddb675f3cb8322399999f6e43aec76d
Diameter
56322086
Circumference
176941051.61245
Area
2.4914222814617E+15
Volume
9.354806666587E+22
Surface area
9.965689125847E+15
Circumference
176941051.61245
Perimeter
112644172
Area
793044342847849
Diagonal
39825728.941172
Surface area
4758266057087094
Volume
2.2332955839845E+22
Space diagonal
48776357.270132
Perimeter
84483129
Area
3.4339827361689E+14
Altitude
24388178.635066
Surface area
3.4339827361689E+14
Volume
2.6319640863824E+21
Height
13275242.980391