128913613 is an odd 9-digits composite number following 128913612
and preceding 128913614 . In scientific notation, it is written as 1.28913613 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 115153920 positive integers (up to 128913613) that are relatively prime to 128913613.
128913613 has 8 divisors, whose sum is 133546680
The reverse of 128913613 is 316319821
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million nine hundred thirteen thousand six hundred thirteen
Scientific notation
1.28913613 × 10^8
Engineering notation
1.28913613 × 10^6
Prime Factorization
817 × 29 × 5441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128913613
Product of the distinct prime numbers
The prime factorization of 128913613 is 817 × 29 × 5441.
Since it has a total of 3 prime factors.
4 , 5 , 5 , 59 , 37 , 792 , 4356 , 7258 , 37404 , 36201 , 385151 , 855420 , 3886592 , 2481001 , 45511359 , 57540694 , 619407165 , 54613036 , 9905005669 , 2609405770
n×2
257827226
n×3
386740839
n×4
515654452
n×5
644568065
n÷2
64456806.5
n÷3
42971204.333333
n÷3
32228403.25
n÷5
25782722.6
n2
16618719616713769
n3
2.1423791892245E+24
n4
2.7618184169895E+32
n5
3.5603599058405E+40
2 √n
11354.013079084
3 √n
505.16462038262
4 √n
106.55521141213
5 √n
41.885119232553
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
-128913612
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 128913613 can be divided by 8 positive divisors.
The sum of these divisors (counting 128913613) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101011110001000011001101
3
Ternary
22222120111020021
4
Quaternary
13223301003031
5
Quinary
231000213423
6
Senary
20443022141
8
Octal
753610315
10
Decimal
128913613
12
Duodecimal
3720a951
16
Hexadecimal
7af10cd
20
Vigesimal
205e40d
36
Base36
24r2dp
md5
ea607804b214363bd6473fc77108fc8e
sha1
f76fe44cd6e0cc94a5cf9385d7bcc34891ea0136
sha256
b5a7cb912196be137f08b31868af8796ea687a85c4ace978e80c9d359332d9b5
sha512
b9c78a6719cc9347d38331eac9891fc51a20d26f0f8f220debdceafe3d851b432a91ddc5ff0db285ba7a2cc5082bfebb21d08d77692927a78e55c4f44fb6a5fa
ripemd-160
1286d421026c467809b55b5845a74aaebb3251ae
Diameter
257827226
Circumference
809988119.09704
Area
5.2209247459937E+16
Volume
8.973976962762E+24
Surface area
2.0883698983975E+17
Circumference
809988119.09704
Perimeter
515654452
Area
16618719616713769
Diagonal
182311379.87912
Surface area
99712317700282614
Volume
2.1423791892245E+24
Space diagonal
223284927.50327
Perimeter
386740839
Area
7.1961166832225E+15
Altitude
111642463.75164
Surface area
7.1961166832225E+15
Volume
2.5248180876227E+23
Height
60770459.959706