128216398 is an even 9-digits composite number following 128216397
and preceding 128216399 . In scientific notation, it is written as 1.28216398 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 61245976 positive integers (up to 128216398) that are relatively prime to 128216398.
128216398 has 16 divisors, whose sum is 200931840
The reverse of 128216398 is 893612821
Previous prime number is 1367
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million two hundred sixteen thousand three hundred ninety-eight
Scientific notation
1.28216398 × 10^8
Engineering notation
1.28216398 × 10^6
Prime Factorization
2 × 23 × 1367 × 2039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128216398
Product of the distinct prime numbers
The prime factorization of 128216398 is 2 × 23 × 1367 × 2039.
Since it has a total of 4 prime factors.
9 , 4 , 81 , 81 , 931 , 410 , 7898 , 6292 , 27105 , 41405 , 374343 , 99062 , 4137148 , 3891280 , 75934361 , 76120601 , 735407471 , 55290034 , 4062586767 , 5932223532
n×2
256432796
n×3
384649194
n×4
512865592
n×5
641081990
n÷2
64108199
n÷3
42738799.333333
n÷3
32054099.5
n÷5
25643279.6
n2
16439444716094404
n3
2.1078063866178E+24
n4
2.7025534257352E+32
n5
3.4651166565033E+40
2 √n
11323.267991176
3 √n
504.25226463966
4 √n
106.41084527047
5 √n
41.839714694048
1 , 2 , 23 , 46 , 1367 , 2039 , 2734 , 4078 , 31441 , 46897 , 62882 , 93794 , 2787313 , 5574626 , 64108199 , 128216398
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
-128216397
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 128216398 can be divided by 16 positive divisors.
The sum of these divisors (counting 128216398) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000110110101001110
3
Ternary
22221021001211111
4
Quaternary
13221012311032
5
Quinary
230310411043
6
Senary
20420042234
8
Octal
751066516
10
Decimal
128216398
12
Duodecimal
36b3337a
16
Hexadecimal
7a46d4e
20
Vigesimal
20170ji
36
Base36
24c4em
md5
5857b213b9cd2f95a53a24c1fe7b6337
sha1
af7af3aee21f1a7af198c0c65b2325729b17bd50
sha256
21d9a96cf1be5e9fbe1e043e9425fe8b59667f2305516957a9fc6a27aa1d05d9
sha512
82a90ab4a2deacf76b4e4cd8145026bc59f4a0841ede5b15787ab313f5faabd2c855989369876c237f5db21dd6adf569dc9e2a4c125b0c7684d827798db564e3
ripemd-160
fbe20999ce72e3728a393b4f88ddb754b0f6dc31
Diameter
256432796
Circumference
805607388.05309
Area
5.1646038749178E+16
Volume
8.8291587458507E+24
Surface area
2.0658415499671E+17
Circumference
805607388.05309
Perimeter
512865592
Area
16439444716094404
Diagonal
181325368.97023
Surface area
98636668296566424
Volume
2.1078063866178E+24
Space diagonal
222077315.69947
Perimeter
384649194
Area
7.1184883741238E+15
Altitude
111038657.84974
Surface area
7.1184883741238E+15
Volume
2.4840736490096E+23
Height
60441789.656742