643670242 is an even 9-digits composite number following 643670241
and preceding 643670243 . In scientific notation, it is written as 6.43670242 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 321792000 positive integers (up to 643670242) that are relatively prime to 643670242.
643670242 has 8 divisors, whose sum is 965634732
The reverse of 643670242 is 242076346
Previous prime number is 9601
Is Prime? no Number parity even Number length 9 Sum of Digits 34 Digital Root 7
Name
six hundred forty-three million six hundred seventy thousand two hundred forty-two
Scientific notation
6.43670242 × 10^8
Engineering notation
6.43670242 × 10^6
Prime Factorization
2 × 9601 × 33521
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
643670242 Product of the distinct prime numbers
The prime factorization of 643670242 is 2 × 9601 × 33521.
Since it has a total of 3 prime factors.
6 , 6 , 31 , 16 , 927 , 678 , 5616 , 6379 , 5181 , 30838 , 589942 , 123508 , 4054084 , 7163821 , 28766635 , 78896557 , 647575447 , 948960465 , 2281514828 , 1937398110
n×2
1287340484
n×3
1931010726
n×4
2574680968
n×5
3218351210
n÷2
321835121
n÷3
214556747.33333
n÷3
160917560.5
n÷5
128734048.4
n2
414311380436338564
n3
2.6667990650881E+26
n4
1.7165391995906E+35
n5
1.104885202003E+44
2 √n25370.657106193
3 √n863.41809042837
4 √n159.28169105767
5 √n57.774033149727
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
-643670241 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 643670242 can be divided by 8 positive divisors.
The sum of these divisors (counting 643670242) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110010111011010000011100010
3
Ternary
1122212011211120121
4
Quaternary
212113122003202
5
Quinary
2304234421432
6
Senary
143512030454
8
Octal
4627320342
10
Decimal
643670242
12
Duodecimal
15b69242a
16
Hexadecimal
265da0e2
20
Vigesimal
a12ifc2
36
Base36
an834y
md5
acd6beb57b714565c1573cb0a7681016
sha1
03a9f7e554a23ff790494299d0b4b2d0c2fbf11b
sha256
f6f9231e1fe2ec0d4033f1d3c2cc17c3bd2271f1809a95053cc468a4cccbd5e0
sha512
447c23ead7edbc68b1605a537736e58bcd3bd3e307ad948dd321057f8a5cd23c981fc048c2b0f44bd0e2609a8dbf16bb83678a90ea11ea04ad1e1782d1281bfb
ripemd-160
181db672c90cf7b5a44e618bdcd98222bed749e8
Diameter
1287340484
Circumference
4044299407.2031
Area
1.3015975890774E+18
Volume
1.1170661801975E+27
Surface area
5.2063903563098E+18
Circumference
4044299407.2031
Perimeter
2574680968
Area
414311380436338564
Diagonal
910287185.93237
Surface area
2485868282618031384
Volume
2.6667990650881E+26
Space diagonal
1114869562.4642
Perimeter
1931010726
Area
1.7940209026743E+17
Altitude
557434781.23208
Surface area
1.7940209026743E+17
Volume
3.1428528383096E+25
Height
303429061.97746