6645805816 is an even 10-digits composite number following 6645805815
and preceding 6645805817 . In scientific notation, it is written as 6.645805816 × 10^9.
The sum of its digits is 49. It has a total of 5 prime factors and 16 positive divisors.
There are 3067294944 positive integers (up to 6645805816) that are relatively prime to 6645805816.
6645805816 has 16 divisors, whose sum is 13419415800
The reverse of 6645805816 is 6185085466
Previous prime number is 13
Is Prime? no
Number parity even
Number length 10
Sum of Digits 49
Digital Root 4
Name
six billion six hundred forty-five million eight hundred five thousand eight hundred sixteen
Scientific notation
6.645805816 × 10^9
Engineering notation
6.645805816 × 10^9
Prime Factorization
2 × 2 × 2 × 13 × 63901979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1661451454
Product of the distinct prime numbers
The prime factorization of 6645805816 is 2 × 2 × 2 × 13 × 63901979.
Since it has a total of 5 prime factors.
2 , 2 , 27 , 22 , 152 , 311 , 9930 , 6814 , 84956 , 9090 , 368257 , 293998 , 955881 , 6850208 , 86344212 , 14468706 , 259628602 , 548681667 , 7743703345 , 232470127
n×2
13291611632
n×3
19937417448
n×4
26583223264
n×5
33229029080
n÷2
3322902908
n÷3
2215268605.3333
n÷3
1661451454
n÷5
1329161163.2
n2
4.4166734943979E+19
n3
2.9352354396443E+29
n4
1.9507004756117E+39
n5
1.2963976566094E+49
2 √n
81521.811903318
3 √n
1880.1069254109
4 √n
285.5202477992
5 √n
92.153010915834
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 63901979 , 127803958 , 255607916 , 511215832 , 830725727 , 1661451454 , 3322902908 , 6645805816
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
-6645805815
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 6645805816 can be divided by 16 positive divisors.
The sum of these divisors (counting 6645805816) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110001100000111101111001011111000
3
Ternary
122011011020220201011
4
Quaternary
12030013233023320
5
Quinary
102102311241231
6
Senary
3015242403304
8
Octal
61407571370
10
Decimal
6645805816
12
Duodecimal
1355800534
16
Hexadecimal
18c1ef2f8
20
Vigesimal
53gg5eag
36
Base36
31wqol4
md5
e01c43b1c697a321b0fbc1f8676d8a2a
sha1
d01f69655e0437f395baef64cc27faf94596997f
sha256
ff81b7cd9637102fa6447982480eaf1e3192c323b894abec0488bf292b7c8f0d
sha512
07d29209c0be4e0cc6f5034b5158bfbd79f0a3133e3f375dbffb9f9d2452070a461031c3b73677eb065fcaef577669d122a8a21795d5a052e5860f7be1b5ce05
ripemd-160
086829de3c3506cfff78ae6034e49103974f4029
Diameter
13291611632
Circumference
41756829457.46
Area
1.3875389003305E+20
Volume
1.2295085458324E+30
Surface area
5.5501556013221E+20
Circumference
41756829457.46
Perimeter
26583223264
Area
4.4166734943979E+19
Diagonal
9398588717.8852
Surface area
2.6500040966388E+20
Volume
2.9352354396443E+29
Space diagonal
11510873330.549
Perimeter
19937417448
Area
1.912475723185E+19
Altitude
5755436665.2744
Surface area
1.912475723185E+19
Volume
3.4592081395859E+28
Height
3132862905.9617