420145 is an odd 6-digits composite number following 420144
and preceding 420146 . In scientific notation, it is written as 4.20145 × 10^5.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 305520 positive integers (up to 420145) that are relatively prime to 420145.
420145 has 4 divisors, whose sum is 427840
The reverse of 420145 is 541024
Previous prime number is 55
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 16
Digital Root 7
Name
four hundred twenty thousand one hundred forty-five
Scientific notation
4.20145 × 10^5
Engineering notation
4.20145 × 10^3
Prime Factorization
55 × 7639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
420145
Product of the distinct prime numbers
The prime factorization of 420145 is 55 × 7639.
Since it has a total of 2 prime factors.
6 , 9 , 66 , 15 , 839 , 218 , 3725 , 7465 , 19055 , 26576 , 282115 , 883399 , 5778425 , 5709142 , 84150069 , 90855759 , 245075664 , 902215341 , 6876569589 , 3034159033
n×2
840290
n×3
1260435
n×4
1680580
n×5
2100725
n÷2
210072.5
n÷3
140048.33333333
n÷3
105036.25
n÷5
84029
n2
176521821025
n3
74164760494548625
n4
3.1159953297982E+22
n5
1.3091698578381E+28
2 √n
648.18593011573
3 √n
74.897341027399
4 √n
25.459495873166
5 √n
13.325387279468
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-420144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 420145 can be divided by 4 positive divisors.
The sum of these divisors (counting 420145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100110100100110001
3
Ternary
210100022221
4
Quaternary
1212210301
5
Quinary
101421040
6
Senary
13001041
8
Octal
1464461
10
Decimal
420145
12
Duodecimal
183181
16
Hexadecimal
66931
20
Vigesimal
2ca75
36
Base36
906p
md5
5c3ad205004595330efe44c44704b1ca
sha1
c07e46a2b4165054bc9de29758fb52f0616ab7dc
sha256
2f6c57d70102488b6be4f6fd369262d87998c0fde1a6785241eccc159f9a31a2
sha512
6331fc0bd546713a8f4a3f58f021e615259d68699cf35b39cd823e696f06fdf9e3a080f6f33aa350148851d1ecb514faac8a8ccf438fdd94d6d482cea3d38ffb
ripemd-160
317c52c4172f15425ef41f49ca41d0c229f7f93d
Diameter
840290
Circumference
2639848.890885
Area
554559656130.43
Volume
3.1066062229989E+17
Surface area
2218238624521.7
Circumference
2639848.890885
Perimeter
1680580
Area
176521821025
Diagonal
594174.75716324
Surface area
1059130926150
Volume
74164760494548625
Space diagonal
727712.48654603
Perimeter
1260435
Area
76436190664.97
Altitude
363856.24327301
Surface area
76436190664.97
Volume
8.7404008451286E+15
Height
198058.25238775