1661533861 is an odd 10-digits composite number following 1661533860
and preceding 1661533862 . In scientific notation, it is written as 1.661533861 × 10^9.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 1533222912 positive integers (up to 1661533861) that are relatively prime to 1661533861.
1661533861 has 8 divisors, whose sum is 1789928280
The reverse of 1661533861 is 1683351661
Previous prime number is 3329
Is Prime? no Number parity odd Number length 10 Sum of Digits 40 Digital Root 4
Name
one billion six hundred sixty-one million five hundred thirty-three thousand eight hundred sixty-one
Scientific notation
1.661533861 × 10^9
Engineering notation
1.661533861 × 10^9
Prime Factorization
13 × 3329 × 38393
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1661533861 Product of the distinct prime numbers
The prime factorization of 1661533861 is 13 × 3329 × 38393.
Since it has a total of 3 prime factors.
3 , 4 , 77 , 85 , 336 , 227 , 8399 , 4766 , 87671 , 74294 , 117978 , 480021 , 4946716 , 6791974 , 45328915 , 78472555 , 369857102 , 278342382 , 4397720440 , 822107808
n×2
3323067722
n×3
4984601583
n×4
6646135444
n×5
8307669305
n÷2
830766930.5
n÷3
553844620.33333
n÷3
415383465.25
n÷5
332306772.2
n2
2760694771249567321
n3
4.5869878423168E+27
n4
7.6214356200047E+36
n5
1.2663273352069E+46
2 √n40761.916797423
3 √n1184.4127270963
4 √n201.89580678514
5 √n69.839615429499
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
-1661533860 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 1661533861 can be divided by 8 positive divisors.
The sum of these divisors (counting 1661533861) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011000010001111111010100101
3
Ternary
11021210110122222011
4
Quaternary
1203002033322211
5
Quinary
11400323040421
6
Senary
432512234221
8
Octal
14302177245
10
Decimal
1661533861
12
Duodecimal
3a453b971
16
Hexadecimal
6308fea5
20
Vigesimal
15j4bed1
36
Base36
rh8fqd
md5
678e84742cceb48607cd4be940c18a00
sha1
3236b707f78e0d77646d2e4494fe3d3523900768
sha256
2c03bb87aa958b71c48c03db3ac19db9905c4dcecbb9ab2cb2c894c653cf28c0
sha512
d3b7cc9d01efa0d6d685e6fb5421986aca7c7b9aa45b8f728bd24be76d9c58a887e1596048a4c2862815f1ecdfd3472e1b8b11148d2e45baaebd326d03d76b16
ripemd-160
950424003028c9d7657a4944949e14473d3c8ca2
Diameter
3323067722
Circumference
10439725142.817
Area
8.6729784121614E+18
Volume
1.9213929743371E+28
Surface area
3.4691913648646E+19
Circumference
10439725142.817
Perimeter
6646135444
Area
2760694771249567321
Diagonal
2349763720.5683
Surface area
1.6564168627497E+19
Volume
4.5869878423168E+27
Space diagonal
2877861065.7481
Perimeter
4984601583
Area
1.1954159019985E+18
Altitude
1438930532.874
Surface area
1.1954159019985E+18
Volume
5.4058170142041E+26
Height
783254573.52278