128571890 is an even 9-digits composite number following 128571889
and preceding 128571891 . In scientific notation, it is written as 1.28571890 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 51310896 positive integers (up to 128571890) that are relatively prime to 128571890.
128571890 has 16 divisors, whose sum is 231959808
The reverse of 128571890 is 098175821
Previous prime number is 443
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred twenty-eight million five hundred seventy-one thousand eight hundred ninety
Scientific notation
1.28571890 × 10^8
Engineering notation
1.28571890 × 10^6
Prime Factorization
2 × 5 × 443 × 29023
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128571890
Product of the distinct prime numbers
The prime factorization of 128571890 is 2 × 5 × 443 × 29023.
Since it has a total of 4 prime factors.
4 , 9 , 40 , 52 , 43 , 946 , 2811 , 6239 , 77105 , 14597 , 337127 , 49287 , 9363539 , 773538 , 41645174 , 72714200 , 990517665 , 665182846 , 7650747204 , 1083881807
n×2
257143780
n×3
385715670
n×4
514287560
n×5
642859450
n÷2
64285945
n÷3
42857296.666667
n÷3
32142972.5
n÷5
25714378
n2
16530730898172100
n3
2.1253873146594E+24
n4
2.7326506402778E+32
n5
3.5134205753023E+40
2 √n
11338.954537346
3 √n
504.71786351266
4 √n
106.48452722037
5 √n
41.862889913445
1 , 2 , 5 , 10 , 443 , 886 , 2215 , 4430 , 29023 , 58046 , 145115 , 290230 , 12857189 , 25714378 , 64285945 , 128571890
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
-128571889
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 128571890 can be divided by 16 positive divisors.
The sum of these divisors (counting 128571890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010011101100111110010
3
Ternary
22221221010110212
4
Quaternary
13222131213302
5
Quinary
230403300030
6
Senary
20431424122
8
Octal
752354762
10
Decimal
128571890
12
Duodecimal
37085042
16
Hexadecimal
7a9d9f2
20
Vigesimal
203b9ea
36
Base36
24jqpe
md5
513d9b7c0c1dda77b565ee007352d820
sha1
601341bb95310afbea3a1bdcaf76e62fddd8aae1
sha256
d29365ff4f513bd47eef83a903b6a8a6efd50b32a2d988570ee9f0aaca856941
sha512
8875e55146517d430d3f626513bc2a36dbc5ca6166b9114004e1a69790cfd79e72028820618fd62651aeb4fa38c45f541fe7f5146318bef701d8d21bd04d6d1c
ripemd-160
6b99ddad9b0302b7a3427a1701a95bf53ad5af67
Diameter
257143780
Circumference
807841010.16431
Area
5.1932822748167E+16
Volume
8.9028015650225E+24
Surface area
2.0773129099267E+17
Circumference
807841010.16431
Perimeter
514287560
Area
16530730898172100
Diagonal
181828110.57794
Surface area
99184385389032600
Volume
2.1253873146594E+24
Space diagonal
222693045.90516
Perimeter
385715670
Area
7.1580164504707E+15
Altitude
111346522.95258
Surface area
7.1580164504707E+15
Volume
2.5047929714059E+23
Height
60609370.192647