1661539409 is an odd 10-digits composite number following 1661539408
and preceding 1661539410 . In scientific notation, it is written as 1.661539409 × 10^9.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 1657200804 positive integers (up to 1661539409) that are relatively prime to 1661539409.
1661539409 has 4 divisors, whose sum is 1665878016
The reverse of 1661539409 is 9049351661
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion six hundred sixty-one million five hundred thirty-nine thousand four hundred nine
Scientific notation
1.661539409 × 10^9
Engineering notation
1.661539409 × 10^9
Prime Factorization
383 × 4338223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1661539409
Product of the distinct prime numbers
The prime factorization of 1661539409 is 383 × 4338223.
Since it has a total of 2 prime factors.
5 , 1 , 16 , 20 , 248 , 821 , 881 , 76 , 66258 , 66732 , 860005 , 146223 , 8945605 , 3430476 , 56700401 , 60641121 , 986452711 , 11716260 , 6888740447 , 9437518618
n×2
3323078818
n×3
4984618227
n×4
6646157636
n×5
8307697045
n÷2
830769704.5
n÷3
553846469.66667
n÷3
415384852.25
n÷5
332307881.8
n2
2760713207660069281
n3
4.587033791474E+27
n4
7.6215374149487E+36
n5
1.2663484772105E+46
2 √n
40761.984851084
3 √n
1184.4140453791
4 √n
201.89597532166
5 √n
69.839662069496
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
-1661539408
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 1661539409 can be divided by 4 positive divisors.
The sum of these divisors (counting 1661539409) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011000010010001010001010001
3
Ternary
11021210110221120122
4
Quaternary
1203002101101101
5
Quinary
11400323230114
6
Senary
432512320025
8
Octal
14302212121
10
Decimal
1661539409
12
Duodecimal
3a4543015
16
Hexadecimal
63091451
20
Vigesimal
15j4c8a9
36
Base36
rh8k0h
md5
e8e24073e656544fac131cd976d30481
sha1
afffda3e9a9ff2bbf7e7517fe20fec662ead0635
sha256
de4ea13aa8a0738383c66469281aa7a6c58deb71aef0165fd8d021d668b6793b
sha512
7bb21cd917cd85ffa5fb9889e4a5b34906d341388bccc360f193181fe455b0d23637912895d6de3c0c10e4cfaa8b6e529d1ddb7382941d65119bdadfcb71f11e
ripemd-160
7bedc8799cdeff9d717ed1c3f87ec3ddf456c8de
Diameter
3323078818
Circumference
10439760001.929
Area
8.6730363318532E+18
Volume
1.921412221475E+28
Surface area
3.4692145327413E+19
Circumference
10439760001.929
Perimeter
6646157636
Area
2760713207660069281
Diagonal
2349771566.6252
Surface area
1.656427924596E+19
Volume
4.587033791474E+27
Space diagonal
2877870675.166
Perimeter
4984618227
Area
1.1954238851984E+18
Altitude
1438935337.583
Surface area
1.1954238851984E+18
Volume
5.4058711658052E+26
Height
783257188.87506