642000945 is an odd 9-digits composite number following 642000944
and preceding 642000946 . In scientific notation, it is written as 6.42000945 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 339009600 positive integers (up to 642000945) that are relatively prime to 642000945.
642000945 has 16 divisors, whose sum is 1037374272
The reverse of 642000945 is 549000246
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
six hundred forty-two million nine hundred forty-five
Scientific notation
6.42000945 × 10^8
Engineering notation
6.42000945 × 10^6
Prime Factorization
5 × 3 × 101 × 423763
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642000945
Product of the distinct prime numbers
The prime factorization of 642000945 is 5 × 3 × 101 × 423763.
Since it has a total of 4 prime factors.
10 , 5 , 45 , 32 , 119 , 350 , 3759 , 6534 , 57905 , 4308 , 345364 , 403148 , 8591510 , 6639184 , 10137678 , 33012766 , 597227702 , 253255372 , 880458690 , 2262977263
n×2
1284001890
n×3
1926002835
n×4
2568003780
n×5
3210004725
n÷2
321000472.5
n÷3
214000315
n÷3
160500236.25
n÷5
128400189
n2
412165213380893025
n3
2.6461045648666E+26
n4
1.6988016312132E+35
n5
1.0906322526064E+44
2 √n
25337.737566721
3 √n
862.6710469419
4 √n
159.17832002732
5 √n
57.74403573331
1 , 3 , 5 , 15 , 101 , 303 , 505 , 1515 , 423763 , 1271289 , 2118815 , 6356445 , 42800063 , 128400189 , 214000315 , 642000945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642000944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642000945 can be divided by 16 positive divisors.
The sum of these divisors (counting 642000945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001000010100000110001
3
Ternary
1122202001000201210
4
Quaternary
212101002200301
5
Quinary
2303323012240
6
Senary
143412150333
8
Octal
4621024061
10
Decimal
642000945
12
Duodecimal
15b0083a9
16
Hexadecimal
26442831
20
Vigesimal
a0ca275
36
Base36
am8b3l
md5
e653cdbd85bab2b90426d26f276a91ac
sha1
1cf05f835622cd1bddc9505f66262a84bb5dad52
sha256
847b5c17db4cc13df1f26cfdcb98e673819a5717987c84ed630be2f2b1143bd5
sha512
fea07d8a8704b0ec1d31f94e5cc5ca4711c849d5c89d868e0617a728a6ccb165f0c219a5e93e886723afcf559887226583216963e792594e8de015cacb64d928
ripemd-160
0acf5f98b489681cf9ec9d49b1487695550f8dfd
Diameter
1284001890
Circumference
4033810904.8194
Area
1.2948552064227E+18
Volume
1.1083976882154E+27
Surface area
5.1794208256907E+18
Circumference
4033810904.8194
Perimeter
2568003780
Area
412165213380893025
Diagonal
907926443.47534
Surface area
2472991280285358150
Volume
2.6461045648666E+26
Space diagonal
1111978255.2472
Perimeter
1926002835
Area
1.7847277267204E+17
Altitude
555989127.62362
Surface area
1.7847277267204E+17
Volume
3.1184641359098E+25
Height
302642147.82511