1981873 is an odd 7-digits composite number following 1981872
and preceding 1981874 . In scientific notation, it is written as 1.981873 × 10^6.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 1956708 positive integers (up to 1981873) that are relatively prime to 1981873.
1981873 has 4 divisors, whose sum is 2007040
The reverse of 1981873 is 3781891
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 37
Digital Root 1
Name
one million nine hundred eighty-one thousand eight hundred seventy-three
Scientific notation
1.981873 × 10^6
Engineering notation
1.981873 × 10^6
Prime Factorization
79 × 25087
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1981873
Product of the distinct prime numbers
The prime factorization of 1981873 is 79 × 25087.
Since it has a total of 2 prime factors.
10 , 5 , 13 , 16 , 430 , 422 , 4526 , 2292 , 61334 , 74898 , 742726 , 723595 , 5813212 , 6109880 , 54736594 , 15044989 , 949726869 , 784484854 , 8010777414 , 4346543512
n×2
3963746
n×3
5945619
n×4
7927492
n×5
9909365
n÷2
990936.5
n÷3
660624.33333333
n÷3
495468.25
n÷5
396374.6
n2
3927820588129
n3
7784441572456985617
n4
1.542777457253E+25
n5
3.0575889875384E+31
2 √n
1407.7901121971
3 √n
125.61030602952
4 √n
37.520529209982
5 √n
18.172520365008
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
-1981872
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 1981873 can be divided by 4 positive divisors.
The sum of these divisors (counting 1981873) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100011110110110001
3
Ternary
10201200121201
4
Quaternary
13203312301
5
Quinary
1001404443
6
Senary
110251201
8
Octal
7436661
10
Decimal
1981873
12
Duodecimal
7b6b01
16
Hexadecimal
1e3db1
20
Vigesimal
c7edd
36
Base36
16h81
md5
5cff43d419ce3c3a121ff5a71acc5c72
sha1
918a85f219646e1980035771337706a7529c35a2
sha256
579e765fc83b7628a73f05aaf680c05b2e309ffd8245d514345aa4f90534109a
sha512
5f32a2de0bcea695abe8869b1941c6afd4e39b89810316ce62a5a1e30ada5039988f614dd680de1ab3926f847bb873707458edf5a4e13954710df7cffb8c2043
ripemd-160
dcebab0a71a93023992dd9b7913fec0c4198e374
Diameter
3963746
Circumference
12452475.314296
Area
12339612304285
Volume
3.260739260844E+19
Surface area
49358449217139
Circumference
12452475.314296
Perimeter
7927492
Area
3927820588129
Diagonal
2802791.6755011
Surface area
23566923528774
Volume
7784441572456985617
Space diagonal
3432704.730149
Perimeter
5945619
Area
1700796205413.6
Altitude
1716352.3650745
Surface area
1700796205413.6
Volume
9.1740523727247E+17
Height
934263.89183368