642261 is an odd 6-digits composite number following 642260
and preceding 642262 . In scientific notation, it is written as 6.42261 × 10^5.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 428172 positive integers (up to 642261) that are relatively prime to 642261.
642261 has 4 divisors, whose sum is 856352
The reverse of 642261 is 162246
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 21
Digital Root 3
Name
six hundred forty-two thousand two hundred sixty-one
Scientific notation
6.42261 × 10^5
Engineering notation
6.42261 × 10^3
Prime Factorization
3 × 214087
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
642261
Product of the distinct prime numbers
The prime factorization of 642261 is 3 × 214087.
Since it has a total of 2 prime factors.
3 , 4 , 8 , 28 , 366 , 340 , 2234 , 1329 , 76822 , 98167 , 379232 , 278297 , 3948800 , 765665 , 44024487 , 86415075 , 836005060 , 197185573 , 4369564925 , 2282120337
n×2
1284522
n×3
1926783
n×4
2569044
n×5
3211305
n÷2
321130.5
n÷3
214087
n÷3
160565.25
n÷5
128452.2
n2
412499192121
n3
264932143630825581
n4
1.7015558350048E+23
n5
1.092842952146E+29
2 √n
801.41187912334
3 √n
86.278751179361
4 √n
28.309218977629
5 √n
14.505820873493
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
-642260
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 642261 can be divided by 4 positive divisors.
The sum of these divisors (counting 642261) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011100110011010101
3
Ternary
1012122000110
4
Quaternary
2130303111
5
Quinary
131023021
6
Senary
21433233
8
Octal
2346325
10
Decimal
642261
12
Duodecimal
26b819
16
Hexadecimal
9ccd5
20
Vigesimal
405d1
36
Base36
drkl
md5
25b2a030fd699187a5396440673649db
sha1
ea3c58f5c7dc02ea4efd86c7e955e855a171ead8
sha256
ca3d804352d251c35ce2f423ed73f0424e466bd165fa4d88a4025266266e29f2
sha512
25ca409ce81df20b887264102bbc654bdadf08a63f8bd4becc55bf9ad86ca28bfb7f590bc49340330a172b8f422f11523f462c33026baf8e4d2ddc253fcf79b7
ripemd-160
d4f16d216dddb7fd31086c15295390525314d2e7
Diameter
1284522
Circumference
4035444.8785745
Area
1295904431579.1
Volume
1.1097451681739E+18
Surface area
5183617726316.2
Circumference
4035444.8785745
Perimeter
2569044
Area
412499192121
Diagonal
908294.21678331
Surface area
2474995152726
Volume
264932143630825581
Space diagonal
1112428.68372
Perimeter
1926783
Area
178617389708.67
Altitude
556214.34186
Surface area
178617389708.67
Volume
3.1222552552608E+16
Height
302764.73892777