128216647 is an odd 9-digits composite number following 128216646
and preceding 128216648 . In scientific notation, it is written as 1.28216647 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 117929280 positive integers (up to 128216647) that are relatively prime to 128216647.
128216647 has 8 divisors, whose sum is 138574800
The reverse of 128216647 is 746612821
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-eight million two hundred sixteen thousand six hundred forty-seven
Scientific notation
1.28216647 × 10^8
Engineering notation
1.28216647 × 10^6
Prime Factorization
13 × 281 × 35099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128216647
Product of the distinct prime numbers
The prime factorization of 128216647 is 13 × 281 × 35099.
Since it has a total of 3 prime factors.
5 , 9 , 96 , 6 , 308 , 596 , 805 , 5449 , 14108 , 67736 , 412592 , 296071 , 4421399 , 7593519 , 77245167 , 12621548 , 44282519 , 541619569 , 3146622859 , 6956993243
n×2
256433294
n×3
384649941
n×4
512866588
n×5
641083235
n÷2
64108323.5
n÷3
42738882.333333
n÷3
32054161.75
n÷5
25643329.4
n2
16439508567922609
n3
2.1078186669068E+24
n4
2.702574419548E+32
n5
3.4651503034242E+40
2 √n
11323.27898623
3 √n
504.25259106367
4 √n
106.41089693368
5 √n
41.839730944825
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128216646
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128216647 can be divided by 8 positive divisors.
The sum of these divisors (counting 128216647) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101001000110111001000111
3
Ternary
22221021002011201
4
Quaternary
13221012321013
5
Quinary
230310413042
6
Senary
20420043331
8
Octal
751067107
10
Decimal
128216647
12
Duodecimal
36b33547
16
Hexadecimal
7a46e47
20
Vigesimal
20171c7
36
Base36
24c4lj
md5
82fe6671cbe1265c0d886d6ea413e408
sha1
ee1e8b22ae86518e3637c611aefdde88eaecadef
sha256
e802aa9c1160dadd1f337f65208584f1f825cca50522cbed4cbec20b2447831f
sha512
cf74ba8e71444b7c65ce181d32ba956cf54de006fdd8a4e2fbb388df54a2b92f2e1ad5934268e946be12140b841cd304efc02d2165f474f1f25f850149274e3a
ripemd-160
74f0712f00a8650692f9ac7be59b98a693c3fe27
Diameter
256433294
Circumference
805608952.56623
Area
5.1646239345612E+16
Volume
8.8292101854051E+24
Surface area
2.0658495738245E+17
Circumference
805608952.56623
Perimeter
512866588
Area
16439508567922609
Diagonal
181325721.1094
Surface area
98637051407535654
Volume
2.1078186669068E+24
Space diagonal
222077746.98012
Perimeter
384649941
Area
7.1185160227765E+15
Altitude
111038873.49006
Surface area
7.1185160227765E+15
Volume
2.484088121469E+23
Height
60441907.036468