2019981 is an odd 7-digits composite number following 2019980
and preceding 2019982 . In scientific notation, it is written as 2.019981 × 10^6.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 1346652 positive integers (up to 2019981) that are relatively prime to 2019981.
2019981 has 4 divisors, whose sum is 2693312
The reverse of 2019981 is 1899102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3
Name
two million nineteen thousand nine hundred eighty-one
Scientific notation
2.019981 × 10^6
Engineering notation
2.019981 × 10^6
Prime Factorization
3 × 673327
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2019981
Product of the distinct prime numbers
The prime factorization of 2019981 is 3 × 673327.
Since it has a total of 2 prime factors.
1 , 8 , 25 , 15 , 254 , 164 , 7587 , 4097 , 23094 , 70554 , 799213 , 609495 , 7116270 , 5910117 , 52614428 , 63916980 , 474098565 , 616968909 , 7596414298 , 8773384431
n×2
4039962
n×3
6059943
n×4
8079924
n×5
10099905
n÷2
1009990.5
n÷3
673327
n÷3
504995.25
n÷5
403996.2
n2
4080323240361
n3
8242175419387653141
n4
1.664903774583E+25
n5
3.363073991486E+31
2 √n
1421.2603561628
3 √n
126.41029014795
4 √n
37.69960684361
5 √n
18.241874220394
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
-2019980
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 2019981 can be divided by 4 positive divisors.
The sum of these divisors (counting 2019981) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101001010001101
3
Ternary
10210121220010
4
Quaternary
13231022031
5
Quinary
1004114411
6
Senary
111143433
8
Octal
7551215
10
Decimal
2019981
12
Duodecimal
814b79
16
Hexadecimal
1ed28d
20
Vigesimal
cc9j1
36
Base36
17aml
md5
16b1c0245d2ee6c319980ee16ed8b19c
sha1
773b62c2bb76bec07cc895671ac15bd105f9c042
sha256
2ad2b41c9a6985963d593382bad2d24decf062b7b70a4794544d7f80b9ec044a
sha512
cd3b4af7200baf5907652678aace6cfd381b688577a5c3951136dcfd769754a95bb7b3902509112ede47f4fc3d75f1a21220a07fc9754ca8dc91d597dd655152
ripemd-160
aabd26899c649ab891493112d7c017f9d67a7430
Diameter
4039962
Circumference
12691914.939982
Area
12818713516190
Volume
3.4524743662862E+19
Surface area
51274854064759
Circumference
12691914.939982
Perimeter
8079924
Area
4080323240361
Diagonal
2856684.525936
Surface area
24481939442166
Volume
8242175419387653141
Space diagonal
3498709.7223238
Perimeter
6059943
Area
1766831790902.3
Altitude
1749354.8611619
Surface area
1766831790902.3
Volume
9.7134968846301E+17
Height
952228.17531199