642620005 is an odd 9-digits composite number following 642620004
and preceding 642620006 . In scientific notation, it is written as 6.42620005 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 513496848 positive integers (up to 642620005) that are relatively prime to 642620005.
642620005 has 8 divisors, whose sum is 772042752
The reverse of 642620005 is 500026246
Previous prime number is 863
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
six hundred forty-two million six hundred twenty thousand five
Scientific notation
6.42620005 × 10^8
Engineering notation
6.42620005 × 10^6
Prime Factorization
5 × 863 × 148927
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
642620005
Product of the distinct prime numbers
The prime factorization of 642620005 is 5 × 863 × 148927.
Since it has a total of 3 prime factors.
6 , 7 , 47 , 5 , 616 , 793 , 540 , 6765 , 16870 , 83440 , 365308 , 128447 , 8187713 , 8158853 , 74921689 , 54277470 , 62338024 , 524050403 , 3475467280 , 9102981183
n×2
1285240010
n×3
1927860015
n×4
2570480020
n×5
3213100025
n÷2
321310002.5
n÷3
214206668.33333
n÷3
160655001.25
n÷5
128524001
n2
412960470826200025
n3
2.6537665982713E+26
n4
1.70536350465E+35
n5
1.095900703885E+44
2 √n
25349.950788907
3 √n
862.94823946029
4 √n
159.21667873972
5 √n
57.755167568286
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
-642620004
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 642620005 can be divided by 8 positive divisors.
The sum of these divisors (counting 642620005) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010011011001101001100101
3
Ternary
1122210012110220221
4
Quaternary
212103121221211
5
Quinary
2304002320010
6
Senary
143433324341
8
Octal
4623315145
10
Decimal
642620005
12
Duodecimal
15b2666b1
16
Hexadecimal
264d9a65
20
Vigesimal
a0g7a05
36
Base36
amlkrp
md5
1977d0aabf8ff7fbf3fd7db7c3d4d22b
sha1
b6cee5e3d4681b6db72eecd6d7e4b039c7f048b5
sha256
897644c86b570d58c71b62c0d42992452501d50ca1f55dcefbfcd586429cc1eb
sha512
2e66e2221930a102aed038a667da81fcc16f83cfba1a49af3308b0549a606bc54649bf89f3136c611365830c7f5b77a24eef2fd9cf897d66b533f88cebe4f9ca
ripemd-160
a1eea334d93999d734b858571f82f528c59daa4c
Diameter
1285240010
Circumference
4037700573.5157
Area
1.2973535813706E+18
Volume
1.1116071532628E+27
Surface area
5.1894143254823E+18
Circumference
4037700573.5157
Perimeter
2570480020
Area
412960470826200025
Diagonal
908801926.52327
Surface area
2477762824957200150
Volume
2.6537665982713E+26
Space diagonal
1113050498.6202
Perimeter
1927860015
Area
1.7881712924714E+17
Altitude
556525249.31008
Surface area
1.7881712924714E+17
Volume
3.1274939288734E+25
Height
302933975.50776