640804542 is an even 9-digits composite number following 640804541
and preceding 640804543 . In scientific notation, it is written as 6.40804542 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 183087000 positive integers (up to 640804542) that are relatively prime to 640804542.
640804542 has 16 divisors, whose sum is 1464696192
The reverse of 640804542 is 245408046
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
six hundred forty million eight hundred four thousand five hundred forty-two
Scientific notation
6.40804542 × 10^8
Engineering notation
6.40804542 × 10^6
Prime Factorization
2 × 3 × 7 × 15257251
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
640804542
Product of the distinct prime numbers
The prime factorization of 640804542 is 2 × 3 × 7 × 15257251.
Since it has a total of 4 prime factors.
2 , 9 , 19 , 50 , 891 , 597 , 76 , 9203 , 80670 , 16207 , 979080 , 567266 , 4879848 , 3403365 , 35861268 , 40732546 , 135918008 , 205614411 , 4906439577 , 8681738385
n×2
1281609084
n×3
1922413626
n×4
2563218168
n×5
3204022710
n÷2
320402271
n÷3
213601514
n÷3
160201135.5
n÷5
128160908.4
n2
410630461047829764
n3
2.63133864523E+26
n4
1.6861737554035E+35
n5
1.0805078010638E+44
2 √n
25314.11744462
3 √n
862.1348358833
4 √n
159.10410882381
5 √n
57.722497854491
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 15257251 , 30514502 , 45771753 , 91543506 , 106800757 , 213601514 , 320402271 , 640804542
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
-640804541
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 640804542 can be divided by 16 positive divisors.
The sum of these divisors (counting 640804542) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001100011110011010111110
3
Ternary
1122122210020120120
4
Quaternary
212030132122332
5
Quinary
2303021221132
6
Senary
143330355410
8
Octal
4614363276
10
Decimal
640804542
12
Duodecimal
15a72bb66
16
Hexadecimal
2631e6be
20
Vigesimal
a050b72
36
Base36
aliny6
md5
ca9d0cda2d50e32d4343690dbff3bea8
sha1
a21c6a480477416f0cad2502c8cccfba04087141
sha256
82df9d31f81b37fb999615f1c846811d826418a61906692d6ce6d052f5a8c463
sha512
a947b2a73aad2c21c39872e9a2714d04c7d7e6d7f9920958ca403984b8ed1e8656f4a74cf3a4c2d818e0a1e5d2df6c64884d059b57e93bbbcd80d9d79baf593c
ripemd-160
1a7c36fc3bc2312e40817e3f06f9e941598358ed
Diameter
1281609084
Circumference
4026293683.0683
Area
1.2900336397681E+18
Volume
1.1022125542615E+27
Surface area
5.1601345590722E+18
Circumference
4026293683.0683
Perimeter
2563218168
Area
410630461047829764
Diagonal
906234474.12668
Surface area
2463782766286978584
Volume
2.63133864523E+26
Space diagonal
1109906024.4649
Perimeter
1922413626
Area
1.7780820541757E+17
Altitude
554953012.23245
Surface area
1.7780820541757E+17
Volume
3.101062332734E+25
Height
302078158.04223