420145 (number)

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.

Interesting facts

Basic properties

Name

Name four hundred twenty thousand one hundred forty-five

Notation

Scientific notation 4.20145 × 10^5
Engineering notation 4.20145 × 10^3

Prime Factorization of 420145

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.

Most popular turbo-numbers

Basic calculations (n = 420145)

Multiplication

n×y
n×2 840290
n×3 1260435
n×4 1680580
n×5 2100725

Division

n÷y
n÷2 210072.5
n÷3 140048.33333333
n÷3 105036.25
n÷5 84029

Exponentiation

ny
n2 176521821025
n3 74164760494548625
n4 3.1159953297982E+22
n5 1.3091698578381E+28

Nth Root

y√n
2√n 648.18593011573
3√n 74.897341027399
4√n 25.459495873166
5√n 13.325387279468

Divisors of 420145

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 conversion 420145

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

Cryptographic Hash Functions

md5 5c3ad205004595330efe44c44704b1ca
sha1 c07e46a2b4165054bc9de29758fb52f0616ab7dc
sha256 2f6c57d70102488b6be4f6fd369262d87998c0fde1a6785241eccc159f9a31a2
sha512 6331fc0bd546713a8f4a3f58f021e615259d68699cf35b39cd823e696f06fdf9e3a080f6f33aa350148851d1ecb514faac8a8ccf438fdd94d6d482cea3d38ffb
ripemd-160 317c52c4172f15425ef41f49ca41d0c229f7f93d

420145 as geometric shapes

Circle

Radius = n
Diameter 840290
Circumference 2639848.890885
Area 554559656130.43

Sphere

Radius = n
Volume 3.1066062229989E+17
Surface area 2218238624521.7
Circumference 2639848.890885

Square

Length = n
Perimeter 1680580
Area 176521821025
Diagonal 594174.75716324

Cube

Length = n
Surface area 1059130926150
Volume 74164760494548625
Space diagonal 727712.48654603

Equilateral Triangle

Length = n
Perimeter 1260435
Area 76436190664.97
Altitude 363856.24327301

Triangular Pyramid

Length = n
Surface area 76436190664.97
Volume 8.7404008451286E+15
Height 198058.25238775