201231855 is an odd 9-digits composite number following 201231854
and preceding 201231856 . In scientific notation, it is written as 2.01231855 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 97076160 positive integers (up to 201231855) that are relatively prime to 201231855.
201231855 has 16 divisors, whose sum is 225533952
The reverse of 201231855 is 558132102
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred one million two hundred thirty-one thousand eight hundred fifty-five
Scientific notation
2.01231855 × 10^8
Engineering notation
2.01231855 × 10^6
Prime Factorization
45 × 11 × 223 × 1823
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
201231855
Product of the distinct prime numbers
The prime factorization of 201231855 is 45 × 11 × 223 × 1823.
Since it has a total of 4 prime factors.
2 , 7 , 80 , 83 , 356 , 156 , 5615 , 3374 , 63684 , 20210 , 984016 , 677315 , 6013010 , 2575432 , 27112834 , 19963795 , 520548556 , 735825695 , 3846512238 , 6712826448
n×2
402463710
n×3
603695565
n×4
804927420
n×5
1006159275
n÷2
100615927.5
n÷3
67077285
n÷3
50307963.75
n÷5
40246371
n2
40494259466741025
n3
8.1487349493436E+24
n4
1.6397850497597E+33
n5
3.2997698736442E+41
2 √n
14185.621417478
3 √n
586.001746278
4 √n
119.10340640585
5 √n
45.786700265868
1 , 11 , 45 , 223 , 495 , 1823 , 2453 , 10035 , 20053 , 82035 , 110385 , 406529 , 902385 , 4471819 , 18293805 , 201231855
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201231854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201231855 can be divided by 16 positive divisors.
The sum of these divisors (counting 201231855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011111111101000110111101111
3
Ternary
112000122122012200
4
Quaternary
23333220313233
5
Quinary
403003404410
6
Senary
31545032543
8
Octal
1377506757
10
Decimal
201231855
12
Duodecimal
57485753
16
Hexadecimal
bfe8def
20
Vigesimal
32hdjcf
36
Base36
3bt3hr
md5
bca4a99f0f1f58dfc0e3499fa029a772
sha1
804f0b29257ffc39d4eb3b2bfb2290c3d3247a53
sha256
ff87ea789e56797038a1de6fcc43d08e8e83d65e6c94a08b60c6916bd1dc874f
sha512
809dce6eac1a0b24b560444ee6dcc232b85e5ead164390eb0d49b5fb182219b733efd3e738d47546cd28af4fd690639ac41c7a261219815f2c42225ef3a14282
ripemd-160
fdf01d9a75f9e086b39d02350d0da5bf5ade2f9c
Diameter
402463710
Circumference
1264377034.6725
Area
1.2721646805327E+17
Volume
3.4133341137211E+25
Surface area
5.0886587221309E+17
Circumference
1264377034.6725
Perimeter
804927420
Area
40494259466741025
Diagonal
284584818.5225
Surface area
242965556800446150
Volume
8.1487349493436E+24
Space diagonal
348543796.96133
Perimeter
603695565
Area
1.7534528702818E+16
Altitude
174271898.48067
Surface area
1.7534528702818E+16
Volume
9.6033762346211E+23
Height
94861606.174165