128020138 is an even 9-digits composite number following 128020137
and preceding 128020139 . In scientific notation, it is written as 1.28020138 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 60641100 positive integers (up to 128020138) that are relatively prime to 128020138.
128020138 has 8 divisors, whose sum is 202137120
The reverse of 128020138 is 831020821
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-eight million twenty thousand one hundred thirty-eight
Scientific notation
1.28020138 × 10^8
Engineering notation
1.28020138 × 10^6
Prime Factorization
2 × 19 × 3368951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
128020138
Product of the distinct prime numbers
The prime factorization of 128020138 is 2 × 19 × 3368951.
Since it has a total of 3 prime factors.
3 , 5 , 100 , 28 , 199 , 995 , 2662 , 9880 , 66613 , 8130 , 373618 , 137235 , 5895218 , 1920184 , 13396094 , 39767438 , 338964417 , 615876715 , 3434383460 , 664769511
n×2
256040276
n×3
384060414
n×4
512080552
n×5
640100690
n÷2
64010069
n÷3
42673379.333333
n÷3
32005034.5
n÷5
25604027.6
n2
16389155733539044
n3
2.0981419787112E+24
n4
2.686044256582E+32
n5
3.4386775640173E+40
2 √n
11314.598446255
3 √n
503.99484804089
4 √n
106.37010127971
5 √n
41.826898088919
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
-128020137
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 128020138 can be divided by 8 positive divisors.
The sum of these divisors (counting 128020138) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101000010110111010101010
3
Ternary
22220220002121121
4
Quaternary
13220112322222
5
Quinary
230233121023
6
Senary
20411525454
8
Octal
750267252
10
Decimal
128020138
12
Duodecimal
36a5988a
16
Hexadecimal
7a16eaa
20
Vigesimal
2002a6i
36
Base36
247wyy
md5
816e8f9907c6a3c99830c67ff3d27f75
sha1
f4e7968c55ca8fd22a628ab4b3519fa1a4b14d41
sha256
8abcb131d5c65a8a9c85f74a67953b1d6e6e8f04343ffc29bd05971e226b3390
sha512
93e72239b7a69c8532515ab34f3f209c2afac8d8a7c27f75543ae267dacedffd6c1f524d702a77adbdd539c84bfd60824e5d335ae31f1f26e53d18027caa35c6
ripemd-160
23b2ebc5ce9bf545d01540bbc9faae7d98f5aaf0
Diameter
256040276
Circumference
804374250.1047
Area
5.1488051251025E+16
Volume
8.7886765686764E+24
Surface area
2.059522050041E+17
Circumference
804374250.1047
Perimeter
512080552
Area
16389155733539044
Diagonal
181047815.41648
Surface area
98334934401234264
Volume
2.0981419787112E+24
Space diagonal
221737383.40798
Perimeter
384060414
Area
7.0967126059121E+15
Altitude
110868691.70399
Surface area
7.0967126059121E+15
Volume
2.4726840350647E+23
Height
60349271.805492