642034985 is an odd 9-digits composite number following 642034984
and preceding 642034986 . In scientific notation, it is written as 6.42034985 × 10^8.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 486207360 positive integers (up to 642034985) that are relatively prime to 642034985.
642034985 has 16 divisors, whose sum is 811637760
The reverse of 642034985 is 589430246
Previous prime number is 3391
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred forty-two million thirty-four thousand nine hundred eighty-five
Scientific notation
6.42034985 × 10^8
Engineering notation
6.42034985 × 10^6
Prime Factorization
5 × 19 × 3391 × 1993
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642034985
Product of the distinct prime numbers
The prime factorization of 642034985 is 5 × 19 × 3391 × 1993.
Since it has a total of 4 prime factors.
4 , 2 , 8 , 86 , 528 , 408 , 7697 , 1325 , 59617 , 99509 , 579570 , 297589 , 7097453 , 280469 , 49526972 , 9526389 , 796652534 , 174080666 , 6163824215 , 6760425334
n×2
1284069970
n×3
1926104955
n×4
2568139940
n×5
3210174925
n÷2
321017492.5
n÷3
214011661.66667
n÷3
160508746.25
n÷5
128406997
n2
412208921963950225
n3
2.6465254902999E+26
n4
1.6991619534668E+35
n5
1.0909214193066E+44
2 √n
25338.409283142
3 √n
862.68629344254
4 √n
159.1804299628
5 √n
57.744648058044
1 , 5 , 19 , 95 , 1993 , 3391 , 9965 , 16955 , 37867 , 64429 , 189335 , 322145 , 6758263 , 33791315 , 128406997 , 642034985
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
-642034984
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 642034985 can be divided by 16 positive divisors.
The sum of these divisors (counting 642034985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010001001010110100101001
3
Ternary
1122202002202102112
4
Quaternary
212101022310221
5
Quinary
2303330104420
6
Senary
143413012105
8
Octal
4621126451
10
Decimal
642034985
12
Duodecimal
15b024035
16
Hexadecimal
2644ad29
20
Vigesimal
a0ce795
36
Base36
am91d5
md5
661a352fbd8e4edc502f126eb0407c63
sha1
e8a1f5ba3dec83ac331e6f820b087b700831cbaf
sha256
9950bbdc58475208a62640f718a8b59258e5790f8c748172f3c020d420f14766
sha512
da2af13e6652941fd9fa469bcb55f1600e2cad6042462079a31811dc0d3bf457206f35209d0cf394d45013c8fd9723bbe0985f436ea384314c93bc642a178bef
ripemd-160
50461a52b49bf84e17799559b4de2aaaf52905a4
Diameter
1284069970
Circumference
4034024784.4473
Area
1.2949925209861E+18
Volume
1.1085740050486E+27
Surface area
5.1799700839445E+18
Circumference
4034024784.4473
Perimeter
2568139940
Area
412208921963950225
Diagonal
907974583.30501
Surface area
2473253531783701350
Volume
2.6465254902999E+26
Space diagonal
1112037214.2567
Perimeter
1926104955
Area
1.7849169904369E+17
Altitude
556018607.12836
Surface area
1.7849169904369E+17
Volume
3.1189602012902E+25
Height
302658194.435