642000385 is an odd 9-digits composite number following 642000384
and preceding 642000386 . In scientific notation, it is written as 6.42000385 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 474092544 positive integers (up to 642000385) that are relatively prime to 642000385.
642000385 has 8 divisors, whose sum is 829662120
The reverse of 642000385 is 583000246
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
six hundred forty-two million three hundred eighty-five
Scientific notation
6.42000385 × 10^8
Engineering notation
6.42000385 × 10^6
Prime Factorization
5 × 13 × 9876929
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642000385
Product of the distinct prime numbers
The prime factorization of 642000385 is 5 × 13 × 9876929.
Since it has a total of 3 prime factors.
3 , 10 , 69 , 68 , 560 , 994 , 2417 , 8586 , 62196 , 9904 , 356820 , 232229 , 3696794 , 6108254 , 99516360 , 30171995 , 916728937 , 375805887 , 1074436497 , 6820942736
n×2
1284000770
n×3
1926001155
n×4
2568001540
n×5
3210001925
n÷2
321000192.5
n÷3
214000128.33333
n÷3
160500096.25
n÷5
128400077
n2
412164494340148225
n3
2.6460976404971E+26
n4
1.6987957039467E+35
n5
1.0906274959701E+44
2 √n
25337.726516008
3 √n
862.67079611364
4 √n
159.17828531558
5 √n
57.744025659596
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-642000384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 642000385 can be divided by 8 positive divisors.
The sum of these divisors (counting 642000385) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010001000010011000000001
3
Ternary
1122202000222222001
4
Quaternary
212101002120001
5
Quinary
2303323003020
6
Senary
143412144001
8
Octal
4621023001
10
Decimal
642000385
12
Duodecimal
15b008001
16
Hexadecimal
26442601
20
Vigesimal
a0ca0j5
36
Base36
am8ao1
md5
27ab3ec807331252e5c1999d842abacd
sha1
d662a690c64d827705badb9fb799542a42c54a98
sha256
b140b213b03a07076ad2845f403201addfe6b1d098cb923340db93c993b397ad
sha512
a8efb9b63ca3df6d396cd6b15239e623480189dbe3179974280c9acf91ff7ce6335edca9ac956199f6dd32751b60dccac4e84c96ee03e708eb2da68a276230de
ripemd-160
1f3ef0c885ab9c7b53d5e7cbe9a869e3ac55ee57
Diameter
1284000770
Circumference
4033807386.2356
Area
1.2948529474896E+18
Volume
1.1083947877422E+27
Surface area
5.1794117899582E+18
Circumference
4033807386.2356
Perimeter
2568001540
Area
412164494340148225
Diagonal
907925651.51575
Surface area
2472986966040889350
Volume
2.6460976404971E+26
Space diagonal
1111977285.2988
Perimeter
1926001155
Area
1.7847246131827E+17
Altitude
555988642.64939
Surface area
1.7847246131827E+17
Volume
3.118455975462E+25
Height
302641883.83858