128216747 is an odd 9-digits composite number following 128216746
and preceding 128216748 . In scientific notation, it is written as 1.28216747 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 128147400 positive integers (up to 128216747) that are relatively prime to 128216747.
128216747 has 4 divisors, whose sum is 128286096
The reverse of 128216747 is 747612821
Previous prime number is 1901
Is Prime? no Number parity odd Number length 9 Sum of Digits 38 Digital Root 2
Name
one hundred twenty-eight million two hundred sixteen thousand seven hundred forty-seven
Scientific notation
1.28216747 × 10^8
Engineering notation
1.28216747 × 10^6
Prime Factorization
1901 × 67447
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
128216747 Product of the distinct prime numbers
The prime factorization of 128216747 is 1901 × 67447.
Since it has a total of 2 prime factors.
3 , 9 , 73 , 26 , 248 , 38 , 262 , 7567 , 98927 , 8619 , 363303 , 266376 , 1598469 , 1317796 , 53129974 , 26443742 , 813607773 , 597861751 , 2216886203 , 4757549806
n×2
256433494
n×3
384650241
n×4
512866988
n×5
641083735
n÷2
64108373.5
n÷3
42738915.666667
n÷3
32054186.75
n÷5
25643349.4
n2
16439534211262009
n3
2.1078235987632E+24
n4
2.7025828508325E+32
n5
3.4651638163173E+40
2 √n11323.283401911
3 √n504.25272215753
4 √n106.41091768193
5 √n41.839737471235
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
-128216746 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 128216747 can be divided by 4 positive divisors.
The sum of these divisors (counting 128216747) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001000110111010101011
3
Ternary
22221021002022102
4
Quaternary
13221012322223
5
Quinary
230310413442
6
Senary
20420044015
8
Octal
751067253
10
Decimal
128216747
12
Duodecimal
36b3360b
16
Hexadecimal
7a46eab
20
Vigesimal
20171h7
36
Base36
24c4ob
md5
fd73315ea031c89b1c9ea68545557791
sha1
6f6d3f34753c480eb752d27f1c663ab31679fa77
sha256
b8a0e7a66dfca2c47328a2e9269651b1fa384e90b2e56f476f620e05febd0338
sha512
83ab57e3741beb26d3335875a7fd3350a22d957ed1185e991164c739820665e9d1c96cf22a03ddd7b426bd2e9a6ab40ba973eee8a119f5bc6af76a2d43a5309e
ripemd-160
b4d69f5500f2dea1a8a1776cffcbf67a24174a2a
Diameter
256433494
Circumference
805609580.88476
Area
5.1646319906539E+16
Volume
8.829230843917E+24
Surface area
2.0658527962616E+17
Circumference
805609580.88476
Perimeter
512866988
Area
16439534211262009
Diagonal
181325862.53076
Surface area
98637205267572054
Volume
2.1078235987632E+24
Space diagonal
222077920.1852
Perimeter
384650241
Area
7.1185271266681E+15
Altitude
111038960.0926
Surface area
7.1185271266681E+15
Volume
2.4840939337175E+23
Height
60441954.17692