201855981 is an odd 9-digits composite number following 201855980
and preceding 201855982 . In scientific notation, it is written as 2.01855981 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 120339648 positive integers (up to 201855981) that are relatively prime to 201855981.
201855981 has 32 divisors, whose sum is 299520000
The reverse of 201855981 is 189558102
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred one million eight hundred fifty-five thousand nine hundred eighty-one
Scientific notation
2.01855981 × 10^8
Engineering notation
2.01855981 × 10^6
Prime Factorization
3 × 23 × 19 × 79 × 1949
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
201855981
Product of the distinct prime numbers
The prime factorization of 201855981 is 3 × 23 × 19 × 79 × 1949.
Since it has a total of 5 prime factors.
8 , 1 , 37 , 56 , 212 , 907 , 7562 , 333 , 3745 , 40947 , 352020 , 751668 , 8074239 , 3208360 , 65556755 , 36911050 , 162579963 , 9834343 , 904636572 , 5524410353
n×2
403711962
n×3
605567943
n×4
807423924
n×5
1009279905
n÷2
100927990.5
n÷3
67285327
n÷3
50463995.25
n÷5
40371196.2
n2
40745837065472361
n3
8.2247909125171E+24
n4
1.660223238166E+33
n5
3.35125990419E+41
2 √n
14207.602929418
3 √n
586.60695440092
4 √n
119.19564979234
5 √n
45.815066831786
1 , 3 , 19 , 23 , 57 , 69 , 79 , 237 , 437 , 1311 , 1501 , 1817 , 1949 , 4503 , 5451 , 5847 , 34523 , 37031 , 44827 , 103569 , 111093 , 134481 , 153971 , 461913 , 851713 , 2555139 , 2925449 , 3541333 , 8776347 , 10623999 , 67285327 , 201855981
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201855980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201855981 can be divided by 32 positive divisors.
The sum of these divisors (counting 201855981) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1100000010000001001111101101
3
Ternary
112001211100100110
4
Quaternary
30002001033231
5
Quinary
403133342411
6
Senary
32010250233
8
Octal
1402011755
10
Decimal
201855981
12
Duodecimal
57726979
16
Hexadecimal
c0813ed
20
Vigesimal
331bjj1
36
Base36
3c6h2l
md5
a12bc65811090f5f84ee818b79dc2f7b
sha1
14fa84ee4de83d8929c7464359f64acc73b27c2d
sha256
a1b030891c8915ec9306d76328b849b44763fa83562de750290c06dee9529fdb
sha512
d2733ff813315960ae3971cc635d5d1a3d7b1f2cda60b80e19ee26b48ee3b60c9c6f483616788da6b0d554ff1fcd7e62b75666d9fbfa47f974c328b662c13fd8
ripemd-160
e31d4b329f8a045964803562e2d8dcdb15ca0d39
Diameter
403711962
Circumference
1268298533.9855
Area
1.2800682238925E+17
Volume
3.4451923610768E+25
Surface area
5.1202728955702E+17
Circumference
1268298533.9855
Perimeter
807423924
Area
40745837065472361
Diagonal
285467465.97633
Surface area
244475022392834166
Volume
8.2247909125171E+24
Space diagonal
349624814.90366
Perimeter
605567943
Area
1.764346499858E+16
Altitude
174812407.45183
Surface area
1.764346499858E+16
Volume
9.6930090468039E+23
Height
95155821.992109