128420710 is an even 9-digits composite number following 128420709
and preceding 128420711 . In scientific notation, it is written as 1.28420710 × 10^8.
The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors.
There are 44910720 positive integers (up to 128420710) that are relatively prime to 128420710.
128420710 has 32 divisors, whose sum is 234420480
The reverse of 128420710 is 017024821
Previous prime number is 139
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-eight million four hundred twenty thousand seven hundred ten
Scientific notation
1.28420710 × 10^8
Engineering notation
1.28420710 × 10^6
Prime Factorization
2 × 5 × 407 × 139 × 227
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
128420710
Product of the distinct prime numbers
The prime factorization of 128420710 is 2 × 5 × 407 × 139 × 227.
Since it has a total of 5 prime factors.
3 , 9 , 37 , 52 , 698 , 507 , 2644 , 1491 , 67154 , 52503 , 70946 , 327986 , 2966957 , 9384035 , 64625546 , 74589402 , 651948346 , 594300622 , 4128905983 , 4123792930
n×2
256841420
n×3
385262130
n×4
513682840
n×5
642103550
n÷2
64210355
n÷3
42806903.333333
n÷3
32105177.5
n÷5
25684142
n2
16491878756904100
n3
2.1178987791955E+24
n4
2.7198206493242E+32
n5
3.4928129885888E+40
2 √n
11332.286177114
3 √n
504.5199634041
4 √n
106.45321121091
5 √n
41.85304046583
1 , 2 , 5 , 10 , 139 , 227 , 278 , 407 , 454 , 695 , 814 , 1135 , 1390 , 2035 , 2270 , 4070 , 31553 , 56573 , 63106 , 92389 , 113146 , 157765 , 184778 , 282865 , 315530 , 461945 , 565730 , 923890 , 12842071 , 25684142 , 64210355 , 128420710
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128420709
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128420710 can be divided by 32 positive divisors.
The sum of these divisors (counting 128420710) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001111000101101100110
3
Ternary
22221122110002121
4
Quaternary
13221320231212
5
Quinary
230333430320
6
Senary
20424300154
8
Octal
751705546
10
Decimal
128420710
12
Duodecimal
3701165a
16
Hexadecimal
7a78b66
20
Vigesimal
202cbfa
36
Base36
24gi1y
md5
f70e70083c4e37a9b4e2fb74c8717185
sha1
ff638bccfebe5c58b399d368be4b2b5630fd3fe9
sha256
e9128cc7054afec4e2c5905e9f9db7cdc63c953ebf63fe8cb1938309d7718d06
sha512
13e3e8eef81bfa5f68982a700541b2201f8f9a4f05e312a5f24a8f7e1ba1d1efcacef209ea6b7b77cdde96bfd624500ba9d93b07987d90fed7714ac30c08384b
ripemd-160
92a4bea38bea5c342b737301006dce55d0940724
Diameter
256841420
Circumference
806891118.20957
Area
5.1810765146583E+16
Volume
8.8714336610233E+24
Surface area
2.0724306058633E+17
Circumference
806891118.20957
Perimeter
513682840
Area
16491878756904100
Diagonal
181614309.77158
Surface area
98951272541424600
Volume
2.1178987791955E+24
Space diagonal
222431194.46407
Perimeter
385262130
Area
7.1411929798059E+15
Altitude
111215597.23203
Surface area
7.1411929798059E+15
Volume
2.4959676477265E+23
Height
60538103.257194