201871921 is an odd 9-digits composite number following 201871920
and preceding 201871922 . In scientific notation, it is written as 2.01871921 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 201766500 positive integers (up to 201871921) that are relatively prime to 201871921.
201871921 has 4 divisors, whose sum is 201977344
The reverse of 201871921 is 129178102
Previous prime number is 1951
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred one million eight hundred seventy-one thousand nine hundred twenty-one
Scientific notation
2.01871921 × 10^8
Engineering notation
2.01871921 × 10^6
Prime Factorization
1951 × 103471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201871921
Product of the distinct prime numbers
The prime factorization of 201871921 is 1951 × 103471.
Since it has a total of 2 prime factors.
2 , 1 , 29 , 100 , 951 , 359 , 3372 , 8236 , 68354 , 26999 , 373970 , 854066 , 314128 , 4447749 , 36628738 , 54620325 , 558133640 , 436532887 , 4235976422 , 9936408148
n×2
403743842
n×3
605615763
n×4
807487684
n×5
1009359605
n÷2
100935960.5
n÷3
67290640.333333
n÷3
50467980.25
n÷5
40374384.2
n2
40752272488230241
n3
8.2267395323145E+24
n4
1.660747712955E+33
n5
3.3525833111058E+41
2 √n
14208.163885598
3 √n
586.62239489582
4 √n
119.1980028591
5 √n
45.815790386367
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
-201871920
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 201871921 can be divided by 4 positive divisors.
The sum of these divisors (counting 201871921) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000010000101001000110001
3
Ternary
112001212011012211
4
Quaternary
30002011020301
5
Quinary
403134400141
6
Senary
32010452121
8
Octal
1402051061
10
Decimal
201871921
12
Duodecimal
57734041
16
Hexadecimal
c085231
20
Vigesimal
331djg1
36
Base36
3c6tdd
md5
6dc61528563c1d4c98c3f4e27907c94d
sha1
00c9b017cf468e42080dd9987a5a8696b578de14
sha256
5d029a6908b689c777db77cc87796e03521e473290e564f7f2529e128b543fb8
sha512
0fe0cc06e009f5fa4d99af9bf91317bd01cfd2e9e6cb7f2c9e76113f65d11aafe8d73402a6353e9710fdfa895052ca6efd0b6d14e11a0556da071e780447b8e1
ripemd-160
ece0ca596937d18385223adb67364bd607b85c28
Diameter
403743842
Circumference
1268398687.9593
Area
1.2802703986611E+17
Volume
3.4460085970288E+25
Surface area
5.1210815946445E+17
Circumference
1268398687.9593
Perimeter
807487684
Area
40752272488230241
Diagonal
285490008.54051
Surface area
244513634929381446
Volume
8.2267395323145E+24
Space diagonal
349652423.79353
Perimeter
605615763
Area
1.7646251618377E+16
Altitude
174826211.89677
Surface area
1.7646251618377E+16
Volume
9.6953055172584E+23
Height
95163336.18017