642785402 is an even 9-digits composite number following 642785401
and preceding 642785403 . In scientific notation, it is written as 6.42785402 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 259274688 positive integers (up to 642785402) that are relatively prime to 642785402.
642785402 has 16 divisors, whose sum is 1166736960
The reverse of 642785402 is 204587246
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
six hundred forty-two million seven hundred eighty-five thousand four hundred two
Scientific notation
6.42785402 × 10^8
Engineering notation
6.42785402 × 10^6
Prime Factorization
2 × 7 × 17 × 2700779
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642785402
Product of the distinct prime numbers
The prime factorization of 642785402 is 2 × 7 × 17 × 2700779.
Since it has a total of 4 prime factors.
9 , 5 , 19 , 58 , 302 , 824 , 1901 , 7320 , 17140 , 48476 , 17442 , 138277 , 2793867 , 2969938 , 22675602 , 80658424 , 58699161 , 956314504 , 8217555362 , 6103289630
n×2
1285570804
n×3
1928356206
n×4
2571141608
n×5
3213927010
n÷2
321392701
n÷3
214261800.66667
n÷3
160696350.5
n÷5
128557080.4
n2
413173073024301604
n3
2.655816198395E+26
n4
1.7071198827234E+35
n5
1.0973117400786E+44
2 √n
25353.212853601
3 √n
863.02226807515
4 √n
159.22692251501
5 √n
57.758140257614
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 2700779 , 5401558 , 18905453 , 37810906 , 45913243 , 91826486 , 321392701 , 642785402
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
-642785401
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 642785402 can be divided by 16 positive divisors.
The sum of these divisors (counting 642785402) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010100000010000001111010
3
Ternary
1122210111212210202
4
Quaternary
212110002001322
5
Quinary
2304023113102
6
Senary
143441042202
8
Octal
4624020172
10
Decimal
642785402
12
Duodecimal
15b326362
16
Hexadecimal
2650207a
20
Vigesimal
a0h83a2
36
Base36
amp4e2
md5
7d04b6a815eb28b1c9b0b2c863a9e0df
sha1
1b8ea11ad94b06116ca6ce9edaaf4a3260c49d4e
sha256
697d68cfc3c20f0745f9000e7f7664f76f5a6c8c570eab4718d1d023b8deedb5
sha512
fa2a73c5c59344b286353c001af53daa73f7623ebbf98c1e89bb5f94020c286bf3038ea4ca7280e44b979926b1c8ac42fcb70878a935e20d1c7ca5efa322edc3
ripemd-160
0f49adfe39cbd5043d41e1255d3dc1ab670ee826
Diameter
1285570804
Circumference
4038739793.5159
Area
1.2980214908743E+18
Volume
1.112465687755E+27
Surface area
5.1920859634971E+18
Circumference
4038739793.5159
Perimeter
2571141608
Area
413173073024301604
Diagonal
909035833.20384
Surface area
2479038438145809624
Volume
2.655816198395E+26
Space diagonal
1113336974.6276
Perimeter
1928356206
Area
1.7890918869936E+17
Altitude
556668487.31379
Surface area
1.7890918869936E+17
Volume
3.1299094057836E+25
Height
303011944.40128