1661520394 is an even 10-digits composite number following 1661520393
and preceding 1661520395 . In scientific notation, it is written as 1.661520394 × 10^9.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 820750956 positive integers (up to 1661520394) that are relatively prime to 1661520394.
1661520394 has 8 divisors, whose sum is 2522308320
The reverse of 1661520394 is 4930251661
Previous prime number is 83
Is Prime? no
Number parity even
Number length 10
Sum of Digits 37
Digital Root 1
Name
one billion six hundred sixty-one million five hundred twenty thousand three hundred ninety-four
Scientific notation
1.661520394 × 10^9
Engineering notation
1.661520394 × 10^9
Prime Factorization
2 × 83 × 10009159
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1661520394
Product of the distinct prime numbers
The prime factorization of 1661520394 is 2 × 83 × 10009159.
Since it has a total of 3 prime factors.
6 , 9 , 67 , 52 , 505 , 346 , 3855 , 6229 , 70036 , 17483 , 329763 , 744178 , 4332433 , 3805242 , 34787234 , 19920450 , 71394776 , 51975958 , 1161331577 , 911125966
n×2
3323040788
n×3
4984561182
n×4
6646081576
n×5
8307601970
n÷2
830760197
n÷3
553840131.33333
n÷3
415380098.5
n÷5
332304078.8
n2
2760650019677915236
n3
4.5868763083914E+27
n4
7.6211885311477E+36
n5
1.2662760171021E+46
2 √n
40761.751606132
3 √n
1184.4095271356
4 √n
201.89539768438
5 √n
69.839502216862
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
-1661520393
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 1661520394 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661520394) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010001100101000001010
3
Ternary
11021210102222111101
4
Quaternary
1203002030220022
5
Quinary
11400322123034
6
Senary
432512052014
8
Octal
14302145012
10
Decimal
1661520394
12
Duodecimal
3a453400a
16
Hexadecimal
6308ca0a
20
Vigesimal
15j4a0je
36
Base36
rh85ca
md5
b0f7c4cbcc94365de5e03cdb3503a8ce
sha1
fb17f46ed2097d38888dfaac424d75112b71c1c9
sha256
cf960c13c79a2dbfbf21ec701e98b9fd97af2f5d462abf50c1678cc07ac8fe78
sha512
98a82439f87845d55ae822abfbdf804c2b56171c157b55c402d5f737c573f6590dd2e92149709cd7ab939908bee10cc58d2ad14dfaafa619a2683aa5adf7f7df
ripemd-160
ca2eafe4611b46387c3ef61f0f0af12d1b1329b5
Diameter
3323040788
Circumference
10439640527.16
Area
8.6728378209527E+18
Volume
1.9213462551156E+28
Surface area
3.4691351283811E+19
Circumference
10439640527.16
Perimeter
6646081576
Area
2760650019677915236
Diagonal
2349744675.3543
Surface area
1.6563900118067E+19
Volume
4.5868763083914E+27
Space diagonal
2877837740.2199
Perimeter
4984561182
Area
1.1953965239995E+18
Altitude
1438918870.1099
Surface area
1.1953965239995E+18
Volume
5.4056855702124E+26
Height
783248225.1181