642243389 is an odd 9-digits prime number following 642243388
and preceding 642243390 . In scientific notation, it is written as 6.42243389 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 642243388 positive integers (up to 642243389) that are relatively prime to 642243389.
642243389 has 2 divisors, whose sum is 642243390
The reverse of 642243389 is 983342246
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred forty-two million two hundred forty-three thousand three hundred eighty-nine
Scientific notation
6.42243389 × 10^8
Engineering notation
6.42243389 × 10^6
Prime Factorization
642243389
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
642243389
Product of the distinct prime numbers
The prime factorization of 642243389 is 642243389.
Since it has a total of 1 prime factors.
6 , 5 , 47 , 38 , 76 , 620 , 1234 , 8352 , 83766 , 98584 , 946604 , 626798 , 7898477 , 2534235 , 63458394 , 40625336 , 799044479 , 558438810 , 8138835370 , 6697689687
n×2
1284486778
n×3
1926730167
n×4
2568973556
n×5
3211216945
n÷2
321121694.5
n÷3
214081129.66667
n÷3
160560847.25
n÷5
128448677.8
n2
412476570714205321
n3
2.6491035065859E+26
n4
1.7013692138815E+35
n5
1.0926931298635E+44
2 √n
25342.521362327
3 √n
862.7796257526
4 √n
159.19334584814
5 √n
57.748396343948
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
642243390
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
321121695
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25342.521382057
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999968859
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642243389 can be divided by 2 positive divisors.
The sum of these divisors (counting 642243389) is 642243390, the average is 321121695.
Base
System
Value
2
Binary
100110010001111101101100111101
3
Ternary
1122202111100022012
4
Quaternary
212101331230331
5
Quinary
2303403242024
6
Senary
143421301005
8
Octal
4621755475
10
Decimal
642243389
12
Duodecimal
15b104765
16
Hexadecimal
2647db3d
20
Vigesimal
a0e0899
36
Base36
amdi65
md5
0f65e8e50f2eb2936da96f7cd42a3222
sha1
c40d7a4c6e5d22c225fa220989da2bc1edf5894a
sha256
e273ab4168b4b4fe5965a71a5d438677b2549b36c324ad961c08db05f9cf9a68
sha512
1df6a67c248dad6e554253cf6da9a471f062c050695c9aa8da7927ada23b8b9b7ead84af51ca2b84f35f923f169246fbc5e4ce4a3cc8223292e3bb5ee6640dd5
ripemd-160
1099d91d4b26965c980075def9b0be949fc38d89
Diameter
1284486778
Circumference
4035334225.398
Area
1.2958333643337E+18
Volume
1.1096538819852E+27
Surface area
5.1833334573346E+18
Circumference
4035334225.398
Perimeter
2568973556
Area
412476570714205321
Diagonal
908269311.06826
Surface area
2474859424285231926
Volume
2.6491035065859E+26
Space diagonal
1112398180.5732
Perimeter
1926730167
Area
1.786075943522E+17
Altitude
556199090.28661
Surface area
1.786075943522E+17
Volume
3.1219984226199E+25
Height
302756437.02275