1680493581 is an odd 10-digits composite number following 1680493580
and preceding 1680493582 . In scientific notation, it is written as 1.680493581 × 10^9.
The sum of its digits is 45. It has a total of 5 prime factors and 20 positive divisors.
There are 1034147088 positive integers (up to 1680493581) that are relatively prime to 1680493581.
1680493581 has 20 divisors, whose sum is 2623683712
The reverse of 1680493581 is 1853940861
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 45
Digital Root 9
Name
one billion six hundred eighty million four hundred ninety-three thousand five hundred eighty-one
Scientific notation
1.680493581 × 10^9
Engineering notation
1.680493581 × 10^9
Prime Factorization
3 × 39 × 3 × 13 × 368287
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
560164527
Product of the distinct prime numbers
The prime factorization of 1680493581 is 3 × 39 × 3 × 13 × 368287.
Since it has a total of 5 prime factors.
3 , 10 , 52 , 51 , 433 , 11 , 2168 , 7717 , 89882 , 61728 , 477430 , 316115 , 9147149 , 4375792 , 71889125 , 72007736 , 326301837 , 575362010 , 6733692588 , 3135585005
n×2
3360987162
n×3
5041480743
n×4
6721974324
n×5
8402467905
n÷2
840246790.5
n÷3
560164527
n÷3
420123395.25
n÷5
336098716.2
n2
2824058675782203561
n3
4.7458124770194E+27
n4
7.9753074042607E+36
n5
1.3402452899362E+46
2 √n
40993.823693332
3 √n
1188.9008000634
4 √n
202.46931543652
5 √n
69.998280473624
1 , 3 , 9 , 13 , 39 , 117 , 351 , 507 , 1521 , 4563 , 368287 , 1104861 , 3314583 , 4787731 , 14363193 , 43089579 , 129268737 , 186721509 , 560164527 , 1680493581
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
-1680493580
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 1680493581 can be divided by 20 positive divisors.
The sum of these divisors (counting 1680493581) is 1, the average is 0.05.
Base
System
Value
2
Binary
1100100001010100100110000001101
3
Ternary
11100010010220211000
4
Quaternary
1210022210300031
5
Quinary
11420201243311
6
Senary
434430450513
8
Octal
14412446015
10
Decimal
1680493581
12
Duodecimal
3aa963a39
16
Hexadecimal
642a4c0d
20
Vigesimal
16531dj1
36
Base36
rsit59
md5
3668cb06393079687b102b15556caae6
sha1
17d0a661f0e675a9b3e8ee9d3e99d09f46042141
sha256
c9fe816106d9bc877fb48ab1021d19847066c1466cf0a2854c74d1906b9ef366
sha512
f90955d61b4a41cede283d2e8ff5a09a6ac057916527e1ab1fd3e1b4c57823bccde5342d656fea6724b5c65724ae4d6a1a847e99dd6d26dac323c211cd7fec31
ripemd-160
69edfa4b7b0bb5f193da749c835cf7a12268b3b2
Diameter
3360987162
Circumference
10558852576.949
Area
8.8720419891439E+18
Volume
1.9879212817492E+28
Surface area
3.5488167956576E+19
Circumference
10558852576.949
Perimeter
6721974324
Area
2824058675782203561
Diagonal
2376576813.7311
Surface area
1.6944352054693E+19
Volume
4.7458124770194E+27
Space diagonal
2910700264.0854
Perimeter
5041480743
Area
1.2228532775026E+18
Altitude
1455350132.0427
Surface area
1.2228532775026E+18
Volume
5.5929936412335E+26
Height
792192271.24371