128847765 is an odd 9-digits composite number following 128847764
and preceding 128847766 . In scientific notation, it is written as 1.28847765 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 68361216 positive integers (up to 128847765) that are relatively prime to 128847765.
128847765 has 16 divisors, whose sum is 207229248
The reverse of 128847765 is 567748821
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-eight million eight hundred forty-seven thousand seven hundred sixty-five
Scientific notation
1.28847765 × 10^8
Engineering notation
1.28847765 × 10^6
Prime Factorization
3 × 5 × 193 × 44507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128847765
Product of the distinct prime numbers
The prime factorization of 128847765 is 3 × 5 × 193 × 44507.
Since it has a total of 4 prime factors.
8 , 9 , 94 , 67 , 625 , 740 , 4520 , 501 , 54934 , 28050 , 475412 , 553963 , 3527702 , 4384928 , 14529708 , 39585935 , 20058784 , 726643607 , 5216758834 , 659787946
n×2
257695530
n×3
386543295
n×4
515391060
n×5
644238825
n÷2
64423882.5
n÷3
42949255
n÷3
32211941.25
n÷5
25769553
n2
16601746545495225
n3
2.1390979374835E+24
n4
2.7561798836086E+32
n5
3.5512761794093E+40
2 √n
11351.112941029
3 √n
505.07859444006
4 √n
106.54160192633
5 √n
41.88083944401
1 , 3 , 5 , 15 , 193 , 579 , 965 , 2895 , 44507 , 133521 , 222535 , 667605 , 8589851 , 25769553 , 42949255 , 128847765
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
-128847764
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 128847765 can be divided by 16 positive divisors.
The sum of these divisors (counting 128847765) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011100000111110010101
3
Ternary
22222110010220110
4
Quaternary
13223200332111
5
Quinary
230441112030
6
Senary
20441353233
8
Octal
753407625
10
Decimal
128847765
12
Duodecimal
37198819
16
Hexadecimal
7ae0f95
20
Vigesimal
2055j85
36
Base36
24pnkl
md5
f41667281fbc9499b6928d094db981c0
sha1
0eac99204c6301512d336f1d87d05664c519d40c
sha256
dd3882350bfc21a5e2f5845083448f279ed8654901d086fc6a7f0ea4aaa96799
sha512
989cb39184a629428a1e59b40c67fda314164bd6e326e7aac054f4d14ef7d4c1153ff1337b351774b74c0ce18d8006576bb8006b3f9efdba30823a2b56ef1e1c
ripemd-160
aab91b16e1c25c4aea9fd761b259d45da323054b
Diameter
257695530
Circumference
809574383.91093
Area
5.2155924984088E+16
Volume
8.9602324876098E+24
Surface area
2.0862369993635E+17
Circumference
809574383.91093
Perimeter
515391060
Area
16601746545495225
Diagonal
182218256.74446
Surface area
99610479272971350
Volume
2.1390979374835E+24
Space diagonal
223170875.42169
Perimeter
386543295
Area
7.1887671277947E+15
Altitude
111585437.71085
Surface area
7.1887671277947E+15
Volume
2.5209510953613E+23
Height
60739418.91482