1664721897 is an odd 10-digits composite number following 1664721896
and preceding 1664721898 . In scientific notation, it is written as 1.664721897 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 1109394672 positive integers (up to 1664721897) that are relatively prime to 1664721897.
1664721897 has 8 divisors, whose sum is 2220469056
The reverse of 1664721897 is 7981274661
Previous prime number is 2677
Is Prime? no Number parity odd Number length 10 Sum of Digits 51 Digital Root 6
Name
one billion six hundred sixty-four million seven hundred twenty-one thousand eight hundred ninety-seven
Scientific notation
1.664721897 × 10^9
Engineering notation
1.664721897 × 10^9
Prime Factorization
3 × 2677 × 207287
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1664721897 Product of the distinct prime numbers
The prime factorization of 1664721897 is 3 × 2677 × 207287.
Since it has a total of 3 prime factors.
2 , 9 , 29 , 28 , 10 , 149 , 9736 , 2798 , 76175 , 46057 , 123276 , 155995 , 1766563 , 1585207 , 94214746 , 79752893 , 407299855 , 614417165 , 3555006578 , 2174400830
n×2
3329443794
n×3
4994165691
n×4
6658887588
n×5
8323609485
n÷2
832360948.5
n÷3
554907299
n÷3
416180474.25
n÷5
332944379.4
n2
2771298994351278609
n3
4.6134421190307E+27
n4
7.6800981160924E+36
n5
1.2785227504967E+46
2 √n40801.003627362
3 √n1185.1697661315
4 √n201.99258309988
5 √n69.866395566434
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1664721896 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1664721897 can be divided by 8 positive divisors.
The sum of these divisors (counting 1664721897) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011001110011010001111101001
3
Ternary
11022000110122010120
4
Quaternary
1203032122033221
5
Quinary
11402132100042
6
Senary
433104433453
8
Octal
14316321751
10
Decimal
1664721897
12
Duodecimal
3a5618889
16
Hexadecimal
6339a3e9
20
Vigesimal
1604a4eh
36
Base36
rj4rmx
md5
f842143ab6529f581e1a682ac718c9e3
sha1
8e462f6b9592e2bb7c3f2c890eb49bf31bd622b0
sha256
ab44c92cd83f2d014a285583a2e7df8dc7952b203dd1265302e274b2f1f1caf4
sha512
920c42ae6c90fae94cdc6f44ada702989cb1596ba1d03c0fe43fb78b56374662c17a2be05157c02fc0a2c7964e54c0be4fe0b38103991b4528393ba2870b085c
ripemd-160
7dc8243249a96d62fc9e63cc2cb3f2bf124872b8
Diameter
3329443794
Circumference
10459756163.771
Area
8.7062925615548E+18
Volume
1.9324741158545E+28
Surface area
3.4825170246219E+19
Circumference
10459756163.771
Perimeter
6658887588
Area
2771298994351278609
Diagonal
2354272284.3169
Surface area
1.6627793966108E+19
Volume
4.6134421190307E+27
Space diagonal
2883382906.0764
Perimeter
4994165691
Area
1.2000076652952E+18
Altitude
1441691453.0382
Surface area
1.2000076652952E+18
Volume
5.436993678297E+26
Height
784757428.10562