128216397 is an odd 9-digits composite number following 128216396
and preceding 128216398 . In scientific notation, it is written as 1.28216397 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 79345152 positive integers (up to 128216397) that are relatively prime to 128216397.
128216397 has 16 divisors, whose sum is 183496320
The reverse of 128216397 is 793612821
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred twenty-eight million two hundred sixteen thousand three hundred ninety-seven
Scientific notation
1.28216397 × 10^8
Engineering notation
1.28216397 × 10^6
Prime Factorization
3 × 17 × 73 × 34439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128216397
Product of the distinct prime numbers
The prime factorization of 128216397 is 3 × 17 × 73 × 34439.
Since it has a total of 4 prime factors.
8 , 9 , 64 , 50 , 688 , 676 , 8293 , 1817 , 11253 , 81760 , 517777 , 909250 , 2733111 , 821889 , 13887534 , 21350949 , 247415941 , 342823788 , 7658088402 , 1054324440
n×2
256432794
n×3
384649191
n×4
512865588
n×5
641081985
n÷2
64108198.5
n÷3
42738799
n÷3
32054099.25
n÷5
25643279.4
n2
16439444459661609
n3
2.1078063372994E+24
n4
2.702553341423E+32
n5
3.4651165213757E+40
2 √n
11323.26794702
3 √n
504.25226332872
4 √n
106.41084506299
5 √n
41.839714628783
1 , 3 , 17 , 51 , 73 , 219 , 1241 , 3723 , 34439 , 103317 , 585463 , 1756389 , 2514047 , 7542141 , 42738799 , 128216397
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
-128216396
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 128216397 can be divided by 16 positive divisors.
The sum of these divisors (counting 128216397) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101001000110110101001101
3
Ternary
22221021001211110
4
Quaternary
13221012311031
5
Quinary
230310411042
6
Senary
20420042233
8
Octal
751066515
10
Decimal
128216397
12
Duodecimal
36b33379
16
Hexadecimal
7a46d4d
20
Vigesimal
20170jh
36
Base36
24c4el
md5
0afa92d4bdbb89f6c1886f461f0f0b6e
sha1
6cbb5342c6922184e09a2bf704b8905655a819c3
sha256
2fb2b9aab0b48a64fb7500981351e91f8867b22421189416fbb6c2b8c7db9057
sha512
e43ceb160af31c4c0186b4f0f3361d83fc53b157807c21f73aaa928edfb91eaba9b1f342bf8b26f1871fbb94e7410314986be0ebf07e0dea842a57d78c2c07c2
ripemd-160
2c4a69d54985fca45bba0ac83dbb4fdf74bed1d3
Diameter
256432794
Circumference
805607381.7699
Area
5.164603794357E+16
Volume
8.8291585392665E+24
Surface area
2.0658415177428E+17
Circumference
805607381.7699
Perimeter
512865588
Area
16439444459661609
Diagonal
181325367.55601
Surface area
98636666757969654
Volume
2.1078063372994E+24
Space diagonal
222077313.96742
Perimeter
384649191
Area
7.1184882630851E+15
Altitude
111038656.98371
Surface area
7.1184882630851E+15
Volume
2.4840735908873E+23
Height
60441789.185338