1640221805 is an odd 10-digits composite number following 1640221804
and preceding 1640221806 . In scientific notation, it is written as 1.640221805 × 10^9.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 1312020288 positive integers (up to 1640221805) that are relatively prime to 1640221805.
1640221805 has 8 divisors, whose sum is 1968501912
The reverse of 1640221805 is 5081220461
Previous prime number is 27253
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 29
Digital Root 2
Name
one billion six hundred forty million two hundred twenty-one thousand eight hundred five
Scientific notation
1.640221805 × 10^9
Engineering notation
1.640221805 × 10^9
Prime Factorization
5 × 27253 × 12037
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1640221805
Product of the distinct prime numbers
The prime factorization of 1640221805 is 5 × 27253 × 12037.
Since it has a total of 3 prime factors.
5 , 9 , 22 , 15 , 35 , 793 , 4953 , 2528 , 63493 , 768 , 716702 , 948923 , 9505058 , 262386 , 80377639 , 85622280 , 885333676 , 285917660 , 6806556434 , 4170670760
n×2
3280443610
n×3
4920665415
n×4
6560887220
n×5
8201109025
n÷2
820110902.5
n÷3
546740601.66667
n÷3
410055451.25
n÷5
328044361
n2
2690327569597458025
n3
4.4127339422464E+27
n4
7.2378624317362E+36
n5
1.1871699782124E+46
2 √n
40499.651912084
3 √n
1179.3268699887
4 √n
201.24525314174
5 √n
69.659526200754
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
-1640221804
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 1640221805 can be divided by 8 positive divisors.
The sum of these divisors (counting 1640221805) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110000111100110001101101
3
Ternary
11020022100220022202
4
Quaternary
1201300330301231
5
Quinary
11324344044210
6
Senary
430431351245
8
Octal
14160746155
10
Decimal
1640221805
12
Duodecimal
399382525
16
Hexadecimal
61c3cc6d
20
Vigesimal
15cb7ea5
36
Base36
r4jn8t
md5
acdedb0636da978552cd595d68c59348
sha1
6676d7315d2deb70c3044d1163dd4032c3ba3eb7
sha256
5722b2478f362bb41990bf6774dfc103ac4a0a2f2bef41363b96057dafbf9360
sha512
a452fb5f3133f5904bc0711eb7639f629a5e8a35f56af65560f5ca457df72653c4f6125c3dceb30a2f912f48614597449ef344c3c58107f27b55d77d819b36de
ripemd-160
f611c5cac385a9b6dd3de244a31193434e9b05d3
Diameter
3280443610
Circumference
10305817545.692
Area
8.4519133283975E+18
Volume
1.848401671361E+28
Surface area
3.380765331359E+19
Circumference
10305817545.692
Perimeter
6560887220
Area
2690327569597458025
Diagonal
2319623921.9311
Surface area
1.6141965417585E+19
Volume
4.4127339422464E+27
Space diagonal
2840947501.9423
Perimeter
4920665415
Area
1.1649460098865E+18
Altitude
1420473750.9712
Surface area
1.1649460098865E+18
Volume
5.2004568235575E+26
Height
773207973.97703