128291213 is an odd 9-digits composite number following 128291212
and preceding 128291214 . In scientific notation, it is written as 1.28291213 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 128257308 positive integers (up to 128291213) that are relatively prime to 128291213.
128291213 has 4 divisors, whose sum is 128325120
The reverse of 128291213 is 312192821
Previous prime number is 29567
Is Prime? no Number parity odd Number length 9 Sum of Digits 29 Digital Root 2
Name
one hundred twenty-eight million two hundred ninety-one thousand two hundred thirteen
Scientific notation
1.28291213 × 10^8
Engineering notation
1.28291213 × 10^6
Prime Factorization
29567 × 4339
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128291213 Product of the distinct prime numbers
The prime factorization of 128291213 is 29567 × 4339.
Since it has a total of 2 prime factors.
2 , 5 , 67 , 62 , 586 , 918 , 8343 , 8219 , 71659 , 59134 , 56892 , 957250 , 1630397 , 3104838 , 77613572 , 90472440 , 305647648 , 815989369 , 7076174688 , 1312033798
n×2
256582426
n×3
384873639
n×4
513164852
n×5
641456065
n÷2
64145606.5
n÷3
42763737.666667
n÷3
32072803.25
n÷5
25658242.6
n2
16458635333011369
n3
2.1114982911967E+24
n4
2.7088667702505E+32
n5
3.4752380381083E+40
2 √n11326.571105149
3 √n504.35032359426
4 √n106.42636470889
5 √n41.844596297266
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
-128291212 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 128291213 can be divided by 4 positive divisors.
The sum of these divisors (counting 128291213) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001011001000110001101
3
Ternary
22221101212110102
4
Quaternary
13221121012031
5
Quinary
230320304323
6
Senary
20421420445
8
Octal
751310615
10
Decimal
128291213
12
Duodecimal
36b6a725
16
Hexadecimal
7a5918d
20
Vigesimal
201g80d
36
Base36
24dq4t
md5
2ea413a7355d3540ee5f17c5e4bdca74
sha1
00b8d965c54788430ba43a50d79b8a511161a45d
sha256
e795416454f8266dfb4edb0a60bc2f85a065833e21e75aba0280d596edc69701
sha512
8ac432228f838168b639524898632c8cddd02e8c2108ec1c4a531d8d1f15f2d88dc7818841ddffbbba3103895cba3bc55875396743ff12b609892172eeac10fc
ripemd-160
9b2624e1a219a4413d37209b9ee316095c379b74
Diameter
256582426
Circumference
806077464.56185
Area
5.1706327850302E+16
Volume
8.8446233595879E+24
Surface area
2.0682531140121E+17
Circumference
806077464.56185
Perimeter
513164852
Area
16458635333011369
Diagonal
181431173.3579
Surface area
98751811998068214
Volume
2.1114982911967E+24
Space diagonal
222206899.08064
Perimeter
384873639
Area
7.126798155006E+15
Altitude
111103449.54032
Surface area
7.126798155006E+15
Volume
2.4884246002816E+23
Height
60477057.785965