1901 is an odd 4-digits prime number following 1900
and preceding 1902 . In scientific notation, it is written as 1.901 × 10^3.
The sum of its digits is 11. It has a total of 1 prime factors and 2 positive divisors.
There are 1900 positive integers (up to 1901) that are relatively prime to 1901.
1901 has 2 divisors, whose sum is 1902
The reverse of 1901 is 1091
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 4
Sum of Digits 11
Digital Root 2
Name
one thousand nine hundred one
Scientific notation
1.901 × 10^3
Engineering notation
1.901 × 10^3
Prime Factorization
1901
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1901
Product of the distinct prime numbers
The prime factorization of 1901 is 1901.
Since it has a total of 1 prime factors.
4 , 7 , 65 , 78 , 575 , 43 , 6165 , 6206 , 45386 , 11041 , 248149 , 871227 , 2044922 , 9438809 , 7468700 , 41587526 , 634736975 , 514573848 , 9985457175 , 3823057285
n×2
3802
n×3
5703
n×4
7604
n×5
9505
n÷2
950.5
n÷3
633.66666666667
n÷3
475.25
n÷5
380.2
n2
3613801
n3
6869835701
n4
13059557667601
n5
24826219126109501
2 √n
43.600458713183
3 √n
12.387795831568
4 √n
6.6030643426506
5 √n
4.5268533277747
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1902
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
951
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
43.611924974713
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9989484752892
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1901 can be divided by 2 positive divisors.
The sum of these divisors (counting 1901) is 1902, the average is 951.
Base
System
Value
2
Binary
11101101101
3
Ternary
2121102
4
Quaternary
131231
5
Quinary
30101
6
Senary
12445
8
Octal
3555
10
Decimal
1901
12
Duodecimal
1125
16
Hexadecimal
76d
20
Vigesimal
4f1
36
Base36
1gt
md5
d54e99a6c03704e95e6965532dec148b
sha1
31fb9f38feb65b1accc25e0538d508d715d951bb
sha256
a56b54e1c5933a83f79b301d0c08410a5617b868120da82b7e088c42a5a8025c
sha512
2243cb6a53cbe00ca1bcf6d71bda2c9be4fefc17a88086dec919a2c9666ab94fe733dbca1eaeff3c473b2a497cc7a5706d8e769386a5f292260d9fffbba292f0
ripemd-160
ff8887eb7bc00049a4ae457d3efb3541e2727cc0
Diameter
3802
Circumference
11944.335268948
Area
11353090.673135
Volume
28776300492.841
Surface area
45412362.692542
Circumference
11944.335268948
Perimeter
7604
Area
3613801
Diagonal
2688.4199820713
Surface area
21682806
Volume
6869835701
Space diagonal
3292.6285851884
Perimeter
5703
Area
1564821.7351108
Altitude
1646.3142925942
Surface area
1564821.7351108
Volume
809617901.63576
Height
896.13999402375