1661549368 is an even 10-digits composite number following 1661549367
and preceding 1661549369 . In scientific notation, it is written as 1.661549368 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 8 positive divisors.
There are 830774680 positive integers (up to 1661549368) that are relatively prime to 1661549368.
1661549368 has 8 divisors, whose sum is 3115405080
The reverse of 1661549368 is 8639451661
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion six hundred sixty-one million five hundred forty-nine thousand three hundred sixty-eight
Scientific notation
1.661549368 × 10^9
Engineering notation
1.661549368 × 10^9
Prime Factorization
2 × 2 × 2 × 207693671
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
415387342
Product of the distinct prime numbers
The prime factorization of 1661549368 is 2 × 2 × 2 × 207693671.
Since it has a total of 4 prime factors.
7 , 3 , 58 , 51 , 151 , 11 , 5138 , 6820 , 30097 , 83483 , 982349 , 747832 , 3721759 , 2489274 , 64886140 , 8881498 , 553118004 , 377881339 , 1524303624 , 5690510858
n×2
3323098736
n×3
4984648104
n×4
6646197472
n×5
8307746840
n÷2
830774684
n÷3
553849789.33333
n÷3
415387342
n÷5
332309873.6
n2
2760746302301199424
n3
4.5871162737969E+27
n4
7.6217201456697E+36
n5
1.266386429111E+46
2 √n
40762.107011292
3 √n
1184.4164117702
4 √n
201.89627785398
5 √n
69.839745790835
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
-1661549367
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 1661549368 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661549368) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010010011101100111000
3
Ternary
11021210111110020111
4
Quaternary
1203002103230320
5
Quinary
11400324034433
6
Senary
432512434104
8
Octal
14302235470
10
Decimal
1661549368
12
Duodecimal
3a4548934
16
Hexadecimal
63093b38
20
Vigesimal
15j4dd88
36
Base36
rh8rp4
md5
ddc926dd0ca911fdaeb3cc638f02c53d
sha1
9779eab06927ba6a1d4f50777a7b21e96b671b34
sha256
af9f89d9cffca9e4c41000544692ac1d19985c66486813f39d882f275d16c23c
sha512
133edee6f7d22756cdaedbc0048f8b9c0873edf656b9082502c0c0bf9fb48f32434ef8e54f23ed6d4173ef1014b64dff7213e976d7390ecd1ccc92e873995ed7
ripemd-160
6cee5360a7b65de64153830f9a63f89782131303
Diameter
3323098736
Circumference
10439822576.171
Area
8.6731403017346E+18
Volume
1.9214467715897E+28
Surface area
3.4692561206939E+19
Circumference
10439822576.171
Perimeter
6646197472
Area
2760746302301199424
Diagonal
2349785650.778
Surface area
1.6564477813807E+19
Volume
4.5871162737969E+27
Space diagonal
2877887924.66
Perimeter
4984648104
Area
1.1954382155984E+18
Altitude
1438943962.33
Surface area
1.1954382155984E+18
Volume
5.4059683721549E+26
Height
783261883.59268