1661539401 is an odd 10-digits composite number following 1661539400
and preceding 1661539402 . In scientific notation, it is written as 1.661539401 × 10^9.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 1094346744 positive integers (up to 1661539401) that are relatively prime to 1661539401.
1661539401 has 8 divisors, whose sum is 1868398560
The reverse of 1661539401 is 1049351661
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 36
Digital Root 9
Name
one billion six hundred sixty-one million five hundred thirty-nine thousand four hundred one
Scientific notation
1.661539401 × 10^9
Engineering notation
1.661539401 × 10^9
Prime Factorization
9 × 83 × 2224283
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1661539401
Product of the distinct prime numbers
The prime factorization of 1661539401 is 9 × 83 × 2224283.
Since it has a total of 3 prime factors.
6 , 2 , 60 , 37 , 705 , 5 , 3886 , 724 , 26559 , 9811 , 366365 , 458868 , 4128842 , 1313759 , 8017639 , 73989790 , 995108588 , 681413349 , 5756172350 , 6873529269
n×2
3323078802
n×3
4984618203
n×4
6646157604
n×5
8307697005
n÷2
830769700.5
n÷3
553846467
n÷3
415384850.25
n÷5
332307880.2
n2
2760713181075438801
n3
4.5870337252169E+27
n4
7.6215372681637E+36
n5
1.2663484467244E+46
2 √n
40761.984752953
3 √n
1184.4140434782
4 √n
201.89597507864
5 √n
69.839662002243
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
-1661539400
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 1661539401 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661539401) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010010001010001001001
3
Ternary
11021210110221120100
4
Quaternary
1203002101101021
5
Quinary
11400323230101
6
Senary
432512320013
8
Octal
14302212111
10
Decimal
1661539401
12
Duodecimal
3a4543009
16
Hexadecimal
63091449
20
Vigesimal
15j4c8a1
36
Base36
rh8k09
md5
37db9ee9c2ab2556dddd5695210565d6
sha1
27caeb31d2d86b36ae2dac7a22c3f4ec005a7103
sha256
eb37c7a6f841de5bae2d597921ad889cb8869bb96fa11305cc2739a73ce0b3ad
sha512
9278fd24b8acf242c73a88ee3bc70c168ace70735cb2a361135019091f0961b5ab56fa6468788fdc87c25c34d442ef93bf589d5f7b203c0159051058c32b3acd
ripemd-160
0bee067532668749f13416c0770b1106a063aa44
Diameter
3323078802
Circumference
10439759951.663
Area
8.6730362483351E+18
Volume
1.9214121937213E+28
Surface area
3.469214499334E+19
Circumference
10439759951.663
Perimeter
6646157604
Area
2760713181075438801
Diagonal
2349771555.3115
Surface area
1.6564279086453E+19
Volume
4.5870337252169E+27
Space diagonal
2877870661.3096
Perimeter
4984618203
Area
1.1954238736869E+18
Altitude
1438935330.6548
Surface area
1.1954238736869E+18
Volume
5.4058710877204E+26
Height
783257185.10382