420128907 is an odd 9-digits composite number following 420128906
and preceding 420128908 . In scientific notation, it is written as 4.20128907 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 254623560 positive integers (up to 420128907) that are relatively prime to 420128907.
420128907 has 8 divisors, whose sum is 611096640
The reverse of 420128907 is 709821024
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
four hundred twenty million one hundred twenty-eight thousand nine hundred seven
Scientific notation
4.20128907 × 10^8
Engineering notation
4.20128907 × 10^6
Prime Factorization
3 × 11 × 12731179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
420128907
Product of the distinct prime numbers
The prime factorization of 420128907 is 3 × 11 × 12731179.
Since it has a total of 3 prime factors.
9 , 5 , 23 , 40 , 722 , 409 , 8617 , 8811 , 60619 , 8150 , 450518 , 866470 , 3294187 , 8195949 , 80133539 , 79951095 , 180001241 , 945728523 , 3611874452 , 1048384240
n×2
840257814
n×3
1260386721
n×4
1680515628
n×5
2100644535
n÷2
210064453.5
n÷3
140042969
n÷3
105032226.75
n÷5
84025781.4
n2
176508298497014649
n3
7.4156238523981E+25
n4
3.1155179438311E+34
n5
1.3089191484807E+43
2 √n
20497.046299406
3 √n
748.96384739849
4 √n
143.16789549129
5 √n
53.048915863024
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
-420128906
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 420128907 can be divided by 8 positive divisors.
The sum of these divisors (counting 420128907) is 1, the average is 0.125.
Base
System
Value
2
Binary
11001000010101010100010001011
3
Ternary
1002021112202111220
4
Quaternary
121002222202023
5
Quinary
1330023111112
6
Senary
105404453123
8
Octal
3102524213
10
Decimal
420128907
12
Duodecimal
b884a1a3
16
Hexadecimal
190aa88b
20
Vigesimal
6b5g257
36
Base36
6y4tjf
md5
cf648609b0f21e2aebe773dd7164e8ba
sha1
23235e2a5198b28e2538f80b8d1455d4aa17edfd
sha256
08c19ebe92713e506af6054a0dbceee6ef54b755db394603717e449fa41d53f8
sha512
fa52d8fec54b0e3e5afbee4e29a0540bf87a37c6e90809ce2009dec6cad739951af473289a792c0ea008ef1c919b09d8ba7a48159d8c6f218977e4e13b35472b
ripemd-160
224bd945df7429ec458ae061390695ee27314dec
Diameter
840257814
Circumference
2639747775.5838
Area
5.5451717385586E+17
Volume
3.1062492555305E+26
Surface area
2.2180686954234E+18
Circumference
2639747775.5838
Perimeter
1680515628
Area
176508298497014649
Diagonal
594151998.22438
Surface area
1059049790982087894
Volume
7.4156238523981E+25
Space diagonal
727684612.65238
Perimeter
1260386721
Area
7.6430335238591E+16
Altitude
363842306.32619
Surface area
7.6430335238591E+16
Volume
8.7393965212656E+24
Height
198050666.07479