1640668868 is an even 10-digits composite number following 1640668867
and preceding 1640668869 . In scientific notation, it is written as 1.640668868 × 10^9.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 809096832 positive integers (up to 1640668868) that are relatively prime to 1640668868.
1640668868 has 12 divisors, whose sum is 2910502140
The reverse of 1640668868 is 8688660461
Previous prime number is 73
Is Prime? no Number parity even Number length 10 Sum of Digits 53 Digital Root 8
Name
one billion six hundred forty million six hundred sixty-eight thousand eight hundred sixty-eight
Scientific notation
1.640668868 × 10^9
Engineering notation
1.640668868 × 10^9
Prime Factorization
2 × 2 × 73 × 5618729
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
820334434 Product of the distinct prime numbers
The prime factorization of 1640668868 is 2 × 2 × 73 × 5618729.
Since it has a total of 4 prime factors.
2 , 1 , 24 , 53 , 556 , 290 , 5788 , 1253 , 72418 , 59393 , 244285 , 677176 , 1310359 , 2707337 , 32365955 , 71385467 , 731833386 , 522948208 , 1135955439 , 6457407069
n×2
3281337736
n×3
4922006604
n×4
6562675472
n×5
8203344340
n÷2
820334434
n÷3
546889622.66667
n÷3
410167217
n÷5
328133773.6
n2
2691794334424401424
n3
4.4163431635489E+27
n4
7.2457567388393E+36
n5
1.1887887506515E+46
2 √n40505.170879778
3 √n1179.4340070261
4 √n201.25896471904
5 √n69.663323102117
1 , 2 , 4 , 73 , 146 , 292 , 5618729 , 11237458 , 22474916 , 410167217 , 820334434 , 1640668868
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1640668867 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1640668868 can be divided by 12 positive divisors.
The sum of these divisors (counting 1640668868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100001110010101001111011000100
3
Ternary
11020100012121120122
4
Quaternary
1201302221323010
5
Quinary
11330002400433
6
Senary
430445121112
8
Octal
14162517304
10
Decimal
1640668868
12
Duodecimal
399559198
16
Hexadecimal
61ca9ec4
20
Vigesimal
15ce3c38
36
Base36
r4t878
md5
7c9b3f5332db987fcd8af935e1edc930
sha1
e322afab0852dbe38d522d7a145b9f12f7508c1b
sha256
70f7205e40e5b115f0428c5093e5c9738cc4d50545534e0cdee2df1992ebe677
sha512
fda47b6d924ee11550c28f28de55693b6a567387af0c95c8df59d748e33913097b61b5b4fc759001963124e2b0ab369f853692fa6f303ef189062e4f31a7f12f
ripemd-160
69788a405e1be61f35208411293366ce45e02a40
Diameter
3281337736
Circumference
10308626525.365
Area
8.4565213060023E+18
Volume
1.8499134984449E+28
Surface area
3.3826085224009E+19
Circumference
10308626525.365
Perimeter
6562675472
Area
2691794334424401424
Diagonal
2320256164.4889
Surface area
1.6150766006546E+19
Volume
4.4163431635489E+27
Space diagonal
2841721837.7725
Perimeter
4922006604
Area
1.1655811376873E+18
Altitude
1420860918.8863
Surface area
1.1655811376873E+18
Volume
5.2047103316538E+26
Height
773418721.4963