2001961 is an odd 7-digits composite number following 2001960
and preceding 2001962 . In scientific notation, it is written as 2.001961 × 10^6.
The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors.
There are 1847952 positive integers (up to 2001961) that are relatively prime to 2001961.
2001961 has 4 divisors, whose sum is 2155972
The reverse of 2001961 is 1691002
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 19
Digital Root 1
Name
two million one thousand nine hundred sixty-one
Scientific notation
2.001961 × 10^6
Engineering notation
2.001961 × 10^6
Prime Factorization
13 × 153997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2001961
Product of the distinct prime numbers
The prime factorization of 2001961 is 13 × 153997.
Since it has a total of 2 prime factors.
3 , 6 , 55 , 15 , 918 , 130 , 1599 , 7973 , 45249 , 70509 , 327039 , 395690 , 4827947 , 6717257 , 99653321 , 81831221 , 42373093 , 569032975 , 710913077 , 9937368656
n×2
4003922
n×3
6005883
n×4
8007844
n×5
10009805
n÷2
1000980.5
n÷3
667320.33333333
n÷3
500490.25
n÷5
400392.2
n2
4007847845521
n3
8023555080667066681
n4
1.6062844352847E+25
n5
3.2157187943471E+31
2 √n
1414.9067107057
3 √n
126.03326995798
4 √n
37.615245721724
5 √n
18.209210757283
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
-2001960
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 2001961 can be divided by 4 positive divisors.
The sum of these divisors (counting 2001961) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000110000101001
3
Ternary
10202201011201
4
Quaternary
13220300221
5
Quinary
1003030321
6
Senary
110524201
8
Octal
7506051
10
Decimal
2001961
12
Duodecimal
806661
16
Hexadecimal
1e8c29
20
Vigesimal
ca4i1
36
Base36
16wq1
md5
0b4fe85f5fcf92d60a8d6a096dd8da9b
sha1
51ef5e68efe3d7f4412ee2ed41fb2b2c9346a986
sha256
3c29dbb7d656ea09b8c5bc7264a03c6f9499f199c589c07aff41a776da7b9d29
sha512
b7ddc38da986b70a048382f854c6b6d84513985eda13c41b3cefdf1ddb66c3611abc85bc2c79ee58a6d26d122ba5e1689a934cfd33887a1633b2688a201d6fc7
ripemd-160
55615dd3bc000a59e62227c9d117880160837f4a
Diameter
4003922
Circumference
12578691.940747
Area
12591025348194
Volume
3.3608988929462E+19
Surface area
50364101392778
Circumference
12578691.940747
Perimeter
8007844
Area
4007847845521
Diagonal
2831200.397542
Surface area
24047087073126
Volume
8023555080667066681
Space diagonal
3467498.1667714
Perimeter
6005883
Area
1735449024362
Altitude
1733749.0833857
Surface area
1735449024362
Volume
9.4558503446058E+17
Height
943733.46584733