1681445842 is an even 10-digits composite number following 1681445841
and preceding 1681445843 . In scientific notation, it is written as 1.681445842 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 840722920 positive integers (up to 1681445842) that are relatively prime to 1681445842.
1681445842 has 4 divisors, whose sum is 2522168766
The reverse of 1681445842 is 2485441861
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion six hundred eighty-one million four hundred forty-five thousand eight hundred forty-two
Scientific notation
1.681445842 × 10^9
Engineering notation
1.681445842 × 10^9
Prime Factorization
2 × 840722921
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1681445842
Product of the distinct prime numbers
The prime factorization of 1681445842 is 2 × 840722921.
Since it has a total of 2 prime factors.
7 , 7 , 31 , 2 , 625 , 105 , 630 , 747 , 84417 , 68298 , 421055 , 496338 , 2304277 , 1080966 , 5638599 , 58729233 , 359453091 , 469029311 , 9168237376 , 3331511205
n×2
3362891684
n×3
5044337526
n×4
6725783368
n×5
8407229210
n÷2
840722921
n÷3
560481947.33333
n÷3
420361460.5
n÷5
336289168.4
n2
2827260119579088964
n3
4.7538847723187E+27
n4
7.9933997837624E+36
n5
1.3440468829851E+46
2 √n
41005.436737096
3 √n
1189.1253234018
4 √n
202.49799193349
5 √n
70.006211658831
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1681445841
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1681445842 can be divided by 4 positive divisors.
The sum of these divisors (counting 1681445842) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100001110001101001111010010
3
Ternary
11100011221022001221
4
Quaternary
1210032031033102
5
Quinary
11420422231332
6
Senary
434503115254
8
Octal
14416151722
10
Decimal
1681445842
12
Duodecimal
3ab142b2a
16
Hexadecimal
6438d3d2
20
Vigesimal
16590ec2
36
Base36
rt37wy
md5
bc7e4d1e5c02bfb170615107c0660fbb
sha1
509c5a786c9b41bea689cddfd3958d84ad82104f
sha256
0395ff13bee9fe82b15e1c7198d30f812d758321665dc9830686520ad21b819f
sha512
13fc9061cbf7250c09b5c5ebd4fe851c559d9bb9745f214624985867d329cdffd2f4f7c25e0aee8f2238de597df9c3f53fb73228148cdc65ce6e527c8f9eade1
ripemd-160
e875d2198e96aba012fd0de851bed53989176d1a
Diameter
3362891684
Circumference
10564835809.273
Area
8.8820996214571E+18
Volume
1.9913025968972E+28
Surface area
3.5528398485828E+19
Circumference
10564835809.273
Perimeter
6725783368
Area
2827260119579088964
Diagonal
2377923514.1522
Surface area
1.6963560717475E+19
Volume
4.7538847723187E+27
Space diagonal
2912349628.5194
Perimeter
5044337526
Area
1.2242395433311E+18
Altitude
1456174814.2597
Surface area
1.2242395433311E+18
Volume
5.6025069324767E+26
Height
792641171.38408