1640985855 is an odd 10-digits composite number following 1640985854
and preceding 1640985856 . In scientific notation, it is written as 1.640985855 × 10^9.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 875192448 positive integers (up to 1640985855) that are relatively prime to 1640985855.
1640985855 has 4 divisors, whose sum is 1750384928
The reverse of 1640985855 is 5585890461
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion six hundred forty million nine hundred eighty-five thousand eight hundred fifty-five
Scientific notation
1.640985855 × 10^9
Engineering notation
1.640985855 × 10^9
Prime Factorization
15 × 109399057
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1640985855
Product of the distinct prime numbers
The prime factorization of 1640985855 is 15 × 109399057.
Since it has a total of 2 prime factors.
3 , 5 , 18 , 50 , 850 , 885 , 6134 , 115 , 37685 , 64595 , 170039 , 3010 , 1520321 , 293991 , 37999131 , 30852652 , 663237416 , 544175347 , 9095018679 , 3604431481
n×2
3281971710
n×3
4922957565
n×4
6563943420
n×5
8204929275
n÷2
820492927.5
n÷3
546995285
n÷3
410246463.75
n÷5
328197171
n2
2692834576310081025
n3
4.4189034495798E+27
n4
7.2513580553711E+36
n5
1.1899375998404E+46
2 √n
40509.083610963
3 √n
1179.5099600271
4 √n
201.26868512256
5 √n
69.666014767919
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1640985854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640985855 can be divided by 4 positive divisors.
The sum of these divisors (counting 1640985855) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001110011110111010011111111
3
Ternary
11020100210201101220
4
Quaternary
1201303313103333
5
Quinary
11330043021410
6
Senary
430500004423
8
Octal
14163672377
10
Decimal
1640985855
12
Duodecimal
399690713
16
Hexadecimal
61cf74ff
20
Vigesimal
15cg34cf
36
Base36
r500sf
md5
cde68884491b9f6d36dfe206aadab7ae
sha1
bfc976d0171162d9ed9beb68f66dea2b3adfeebb
sha256
068c4d292dd536a6cafe97fe7c0e9e2b025ad8dc7ec46dca620fbb886d98cb8c
sha512
847c083601045586a3c3aa31f5107893205c1160347f59c23a6fc2f5a8515de49fd114fa458a620b00f3d2cc4ea8aee494c8abd1688afced2e444b23d2a6b539
ripemd-160
965f22801dc1888eb74861c3a4b36b99be27f142
Diameter
3281971710
Circumference
10310618213.426
Area
8.4597893222683E+18
Volume
1.8509859485496E+28
Surface area
3.3839157289073E+19
Circumference
10310618213.426
Perimeter
6563943420
Area
2692834576310081025
Diagonal
2320704451.8034
Surface area
1.615700745786E+19
Volume
4.4189034495798E+27
Space diagonal
2842270875.3619
Perimeter
4922957565
Area
1.1660315756368E+18
Altitude
1421135437.6809
Surface area
1.1660315756368E+18
Volume
5.2077276576775E+26
Height
773568150.60114