642674865 is an odd 9-digits composite number following 642674864
and preceding 642674866 . In scientific notation, it is written as 6.42674865 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 291545280 positive integers (up to 642674865) that are relatively prime to 642674865.
642674865 has 16 divisors, whose sum is 814118976
The reverse of 642674865 is 568476246
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
six hundred forty-two million six hundred seventy-four thousand eight hundred sixty-five
Scientific notation
6.42674865 × 10^8
Engineering notation
6.42674865 × 10^6
Prime Factorization
21 × 131 × 5 × 46723
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
642674865
Product of the distinct prime numbers
The prime factorization of 642674865 is 21 × 131 × 5 × 46723.
Since it has a total of 4 prime factors.
2 , 4 , 30 , 26 , 335 , 138 , 7623 , 3310 , 40106 , 70401 , 439302 , 904984 , 4587562 , 5664653 , 46550013 , 5125067 , 873247030 , 377444937 , 9415195876 , 4116599471
n×2
1285349730
n×3
1928024595
n×4
2570699460
n×5
3213374325
n÷2
321337432.5
n÷3
214224955
n÷3
160668716.25
n÷5
128534973
n2
413030982102768225
n3
2.6544463066371E+26
n4
1.7059459217678E+35
n5
1.0963685649694E+44
2 √n
25351.032819197
3 √n
862.97279518164
4 √n
159.22007668381
5 √n
57.756153637901
1 , 5 , 21 , 105 , 131 , 655 , 2751 , 13755 , 46723 , 233615 , 981183 , 4905915 , 6120713 , 30603565 , 128534973 , 642674865
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
-642674864
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 642674865 can be divided by 16 positive divisors.
The sum of these divisors (counting 642674865) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110010011100111000010110001
3
Ternary
1122210022021011210
4
Quaternary
212103213002301
5
Quinary
2304011043430
6
Senary
143434430333
8
Octal
4623470261
10
Decimal
642674865
12
Duodecimal
15b2923a9
16
Hexadecimal
264e70b1
20
Vigesimal
a0ge735
36
Base36
ammr3l
md5
2597bc9112409a662be31d8e96af4a5b
sha1
7ddeaa387bb099811c94ee28cda336a5f3b0d83b
sha256
30423d857dc06e17f1d456f1db7942480b52bce3df86ce08ba84ce7fe91df7aa
sha512
1a2a7f1331cc56c86c0ce6255c322b9fbc007646355c0dd3fbd3930a143b67464e273bc611795339d30a4e4a8030b3433ba9b18324112db929c141ca4e3dc9b6
ripemd-160
377da1e8c8468029f72f67a1e45326aef153500b
Diameter
1285349730
Circumference
4038045269.0616
Area
1.297575099079E+18
Volume
1.1118918688373E+27
Surface area
5.1903003963161E+18
Circumference
4038045269.0616
Perimeter
2570699460
Area
413030982102768225
Diagonal
908879510.2793
Surface area
2478185892616609350
Volume
2.6544463066371E+26
Space diagonal
1113145518.9275
Perimeter
1928024595
Area
1.7884766152552E+17
Altitude
556572759.46373
Surface area
1.7884766152552E+17
Volume
3.1282949728645E+25
Height
302959836.75977