1661564848 is an even 10-digits composite number following 1661564847
and preceding 1661564849 . In scientific notation, it is written as 1.661564848 × 10^9.
The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors.
There are 817162560 positive integers (up to 1661564848) that are relatively prime to 1661564848.
1661564848 has 20 divisors, whose sum is 3272058928
The reverse of 1661564848 is 8484651661
Previous prime number is 61
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 sixty-four thousand eight hundred forty-eight
Scientific notation
1.661564848 × 10^9
Engineering notation
1.661564848 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 61 × 1702423
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
207695606
Product of the distinct prime numbers
The prime factorization of 1661564848 is 2 × 2 × 2 × 2 × 61 × 1702423.
Since it has a total of 6 prime factors.
7 , 1 , 31 , 5 , 342 , 524 , 6488 , 4928 , 2331 , 88061 , 850172 , 405352 , 6219305 , 1300032 , 73378798 , 21872601 , 688653422 , 142776108 , 3812531543 , 7613241463
n×2
3323129696
n×3
4984694544
n×4
6646259392
n×5
8307824240
n÷2
830782424
n÷3
553854949.33333
n÷3
415391212
n÷5
332312969.6
n2
2760797744109263104
n3
4.5872444840497E+27
n4
7.6220041838788E+36
n5
1.2664454223242E+46
2 √n
40762.296893085
3 √n
1184.4200900056
4 √n
201.89674809933
5 √n
69.839875924223
1 , 2 , 4 , 8 , 16 , 61 , 122 , 244 , 488 , 976 , 1702423 , 3404846 , 6809692 , 13619384 , 27238768 , 103847803 , 207695606 , 415391212 , 830782424 , 1661564848
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1661564847
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1661564848 can be divided by 20 positive divisors.
The sum of these divisors (counting 1661564848) is 1, the average is 0.05.
Base
System
Value
2
Binary
1100011000010010111011110110000
3
Ternary
11021210112020110211
4
Quaternary
1203002113132300
5
Quinary
11400330033343
6
Senary
432513033504
8
Octal
14302273660
10
Decimal
1661564848
12
Duodecimal
3a4555894
16
Hexadecimal
630977b0
20
Vigesimal
15j4fc28
36
Base36
rh93n4
md5
97a322661c2fae6bc76c3bf8448203b8
sha1
419d872349fa6a9cc385872f2c9e1c8dbd858dfc
sha256
42f4bd82272da9875996899e81c3116538ae79e88dc38527882f7c2d41c749e9
sha512
b86fb6aee494fb97e940129de477662fc7904b39eb6292024c0db0496e5e23c70c7c8d56b7d66664f1d2b1f442b6cebb2652083ea38e672af05cba45ca056c77
ripemd-160
39a180b42215e655d16fe9614d2deae4f1a1465e
Diameter
3323129696
Circumference
10439919839.88
Area
8.6733019109409E+18
Volume
1.9215004761748E+28
Surface area
3.4693207643764E+19
Circumference
10439919839.88
Perimeter
6646259392
Area
2760797744109263104
Diagonal
2349807542.804
Surface area
1.6564786464656E+19
Volume
4.5872444840497E+27
Space diagonal
2877914736.8065
Perimeter
4984694544
Area
1.1954604905547E+18
Altitude
1438957368.4032
Surface area
1.1954604905547E+18
Volume
5.4061194693868E+26
Height
783269180.93466