2001381 is an odd 7-digits composite number following 2001380
and preceding 2001382 . In scientific notation, it is written as 2.001381 × 10^6.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 1334252 positive integers (up to 2001381) that are relatively prime to 2001381.
2001381 has 4 divisors, whose sum is 2668512
The reverse of 2001381 is 1831002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 15
Digital Root 6
Name
two million one thousand three hundred eighty-one
Scientific notation
2.001381 × 10^6
Engineering notation
2.001381 × 10^6
Prime Factorization
3 × 667127
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2001381
Product of the distinct prime numbers
The prime factorization of 2001381 is 3 × 667127.
Since it has a total of 2 prime factors.
3 , 3 , 27 , 99 , 972 , 928 , 2732 , 8098 , 83546 , 81723 , 896998 , 382867 , 9084834 , 9290970 , 78918273 , 48837921 , 47034489 , 365794745 , 732841132 , 4643413608
n×2
4002762
n×3
6004143
n×4
8005524
n×5
10006905
n÷2
1000690.5
n÷3
667127
n÷3
500345.25
n÷5
400276.2
n2
4005525907161
n3
8016583445599789341
n4
1.6044237792938E+25
n5
3.2110632678268E+31
2 √n
1414.7017353492
3 √n
126.02109750023
4 √n
37.612520991675
5 √n
18.208155535291
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
-2001380
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 2001381 can be divided by 4 positive divisors.
The sum of these divisors (counting 2001381) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000100111100101
3
Ternary
10202200101020
4
Quaternary
13220213211
5
Quinary
1003021011
6
Senary
110521353
8
Octal
7504745
10
Decimal
2001381
12
Duodecimal
806259
16
Hexadecimal
1e89e5
20
Vigesimal
ca391
36
Base36
16w9x
md5
2b314b4f9a814756d144c76d4fbbc08b
sha1
1192892274e783f3256d5c792dec1178801862df
sha256
6d31c43b0eb03d6d132fba19f2c645b3f15ca3a380bc0dc57f8edb97fe6eeb7c
sha512
63cabf853c7a0ad30c3308b05f1a3835a3196a648c8ccd3f4eddbeac9c287cc5c07b346a240cb3f0b686167717c221a35963d13534497a75a96fca3d4a345592
ripemd-160
116bf99a6c25a549916d2a6b2062f4c1ebdf6f11
Diameter
4002762
Circumference
12575047.693268
Area
12583730763701
Volume
3.3579786212781E+19
Surface area
50334923054802
Circumference
12575047.693268
Perimeter
8005524
Area
4005525907161
Diagonal
2830380.1536758
Surface area
24033155442966
Volume
8016583445599789341
Space diagonal
3466493.577303
Perimeter
6004143
Area
1734443595559.1
Altitude
1733246.7886515
Surface area
1734443595559.1
Volume
9.4476341938857E+17
Height
943460.05122528