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 4 prime factors and 16 positive divisors.
There are 115153920 positive integers (up to 128913613) that are relatively prime to 128913613.
128913613 has 16 divisors, whose sum is 143668800
The reverse of 128913613 is 316319821
Previous prime number is 19
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
43 × 29 × 19 × 5441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128913613
Product of the distinct prime numbers
The prime factorization of 128913613 is 43 × 29 × 19 × 5441.
Since it has a total of 4 prime factors.
5 , 4 , 60 , 53 , 570 , 901 , 4738 , 4685 , 60088 , 3841 , 422081 , 473328 , 8003225 , 5650650 , 66090303 , 13539123 , 360899930 , 638996533 , 8133034331 , 6253726108
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
1 , 19 , 29 , 43 , 551 , 817 , 1247 , 5441 , 23693 , 103379 , 157789 , 233963 , 2997991 , 4445297 , 6784927 , 128913613
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
-128913612
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 128913613 can be divided by 16 positive divisors.
The sum of these divisors (counting 128913613) is 1, the average is 0.0625.
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