128250894 is an even 9-digits composite number following 128250893
and preceding 128250895 . In scientific notation, it is written as 1.28250894 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 42730560 positive integers (up to 128250894) that are relatively prime to 128250894.
128250894 has 16 divisors, whose sum is 256620240
The reverse of 128250894 is 498052821
Previous prime number is 3209
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million two hundred fifty thousand eight hundred ninety-four
Scientific notation
1.28250894 × 10^8
Engineering notation
1.28250894 × 10^6
Prime Factorization
2 × 3 × 3209 × 6661
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128250894
Product of the distinct prime numbers
The prime factorization of 128250894 is 2 × 3 × 3209 × 6661.
Since it has a total of 4 prime factors.
3 , 5 , 18 , 43 , 632 , 207 , 4936 , 5010 , 51315 , 45713 , 822590 , 790691 , 7514577 , 8787438 , 69982936 , 85035248 , 823701953 , 968481615 , 7512363710 , 5353516002
n×2
256501788
n×3
384752682
n×4
513003576
n×5
641254470
n÷2
64125447
n÷3
42750298
n÷3
32062723.5
n÷5
25650178.8
n2
16448291811799236
n3
2.1095081296361E+24
n4
2.705463035261E+32
n5
3.4697805295618E+40
2 √n
11324.791123902
3 √n
504.29748279335
4 √n
106.41800187892
5 √n
41.841965806261
1 , 2 , 3 , 6 , 3209 , 6418 , 6661 , 9627 , 13322 , 19254 , 19983 , 39966 , 21375149 , 42750298 , 64125447 , 128250894
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
-128250893
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 128250894 can be divided by 16 positive divisors.
The sum of these divisors (counting 128250894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001001111010000001110
3
Ternary
22221022211011010
4
Quaternary
13221033100032
5
Quinary
230313012034
6
Senary
20420510050
8
Octal
751172016
10
Decimal
128250894
12
Duodecimal
36b4b326
16
Hexadecimal
7a4f40e
20
Vigesimal
201b74e
36
Base36
24cv0u
md5
30ab883fdec4bea1bd25762c256e18b2
sha1
1adc175c1331eba3cb3b7c92ed58a4fbb5a57efe
sha256
fa1e278adb9c0018a27cbcae9d104a7d049730400cabffd4f977f00c8ee6ae67
sha512
859e12eec8641621c326196317578dd196fc0a5daedbc95b4dc74e7f80802251e954721db2e076fcc784a1c2ee05201efc0b0c69147e74a681c602702fd0167a
ripemd-160
9baba07dfeb1cf799e06ae22b54cdd98aa86d183
Diameter
256501788
Circumference
805824132.81345
Area
5.167383272005E+16
Volume
8.8362869903371E+24
Surface area
2.066953308802E+17
Circumference
805824132.81345
Perimeter
513003576
Area
16448291811799236
Diagonal
181374153.68127
Surface area
98689750870795416
Volume
2.1095081296361E+24
Space diagonal
222137064.52413
Perimeter
384752682
Area
7.1223192789389E+15
Altitude
111068532.26207
Surface area
7.1223192789389E+15
Volume
2.4860791723898E+23
Height
60458051.227091