42207821 is an odd 8-digits composite number following 42207820
and preceding 42207822 . In scientific notation, it is written as 4.2207821 × 10^7.
The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors.
There are 39724992 positive integers (up to 42207821) that are relatively prime to 42207821.
42207821 has 4 divisors, whose sum is 44690652
The reverse of 42207821 is 12870224
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
forty-two million two hundred seven thousand eight hundred twenty-one
Scientific notation
4.2207821 × 10^7
Engineering notation
4.2207821 × 10^6
Prime Factorization
17 × 2482813
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
42207821
Product of the distinct prime numbers
The prime factorization of 42207821 is 17 × 2482813.
Since it has a total of 2 prime factors.
9 , 1 , 63 , 36 , 270 , 910 , 2482 , 1601 , 99049 , 50918 , 662062 , 987187 , 6868548 , 6782573 , 23286813 , 71985958 , 19730537 , 757226756 , 1446274943 , 4327084896
n×2
84415642
n×3
126623463
n×4
168831284
n×5
211039105
n÷2
21103910.5
n÷3
14069273.666667
n÷3
10551955.25
n÷5
8441564.2
n2
1781500153568041
n3
7.5193239593272E+22
n4
3.173742797163E+30
n5
1.3395676788269E+38
2 √n
6496.7546513625
3 √n
348.17504790546
4 √n
80.602448172264
5 √n
33.502605727536
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
-42207820
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 42207821 can be divided by 4 positive divisors.
The sum of these divisors (counting 42207821) is 1, the average is 0.25.
Base
System
Value
2
Binary
10100001000000101001001101
3
Ternary
2221102101020122
4
Quaternary
2201000221031
5
Quinary
41301122241
6
Senary
4104354325
8
Octal
241005115
10
Decimal
42207821
12
Duodecimal
121759a5
16
Hexadecimal
2840a4d
20
Vigesimal
d3fjb1
36
Base36
p4nrh
md5
91e4ff03feeffa404971a5770f7d0924
sha1
c8f597b0a200cdbad6c32c98e3df9b576d287497
sha256
b974a546cda8318e372f47308e6b5ebd48ddb64b3337317c444428afff89bb36
sha512
4d7f418ea48f491f0ab5d00bf256c5ebc445e1a25656e51e3a19cf4ba655aaaf3c827aaafa1dd892878d680b326acb160e5f126f802da65c6c910e5d872238e4
ripemd-160
adbea4b654e1704c0f7f871bb60ac4c886b652cb
Diameter
84415642
Circumference
265199560.75527
Area
5.5967477948184E+15
Volume
3.1496870547446E+23
Surface area
2.2386991179274E+16
Circumference
265199560.75527
Perimeter
168831284
Area
1781500153568041
Diagonal
59690872.896416
Surface area
10689000921408246
Volume
7.5193239593272E+22
Space diagonal
73106090.448773
Perimeter
126623463
Area
7.714121949179E+14
Altitude
36553045.224386
Surface area
7.714121949179E+14
Volume
8.861608269298E+21
Height
19896957.632139