201213981 is an odd 9-digits composite number following 201213980
and preceding 201213982 . In scientific notation, it is written as 2.01213981 × 10^8.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 134142648 positive integers (up to 201213981) that are relatively prime to 201213981.
201213981 has 4 divisors, whose sum is 223571100
The reverse of 201213981 is 189312102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred one million two hundred thirteen thousand nine hundred eighty-one
Scientific notation
2.01213981 × 10^8
Engineering notation
2.01213981 × 10^6
Prime Factorization
9 × 22357109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201213981
Product of the distinct prime numbers
The prime factorization of 201213981 is 9 × 22357109.
Since it has a total of 2 prime factors.
6 , 4 , 21 , 31 , 46 , 154 , 570 , 7389 , 75430 , 10664 , 906559 , 187997 , 598903 , 7113254 , 56745563 , 72567292 , 914418433 , 493127757 , 1710524861 , 8659376035
n×2
402427962
n×3
603641943
n×4
804855924
n×5
1006069905
n÷2
100606990.5
n÷3
67071327
n÷3
50303495.25
n÷5
40242796.2
n2
40487066149868361
n3
8.1465637590254E+24
n4
1.6392025254238E+33
n5
3.2983046580578E+41
2 √n
14184.991399363
3 √n
585.98439563646
4 √n
119.10076153981
5 √n
45.785886855329
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
-201213980
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 201213981 can be divided by 4 positive divisors.
The sum of these divisors (counting 201213981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011111111100100100000011101
3
Ternary
112000121201200200
4
Quaternary
23333210200131
5
Quinary
403002321411
6
Senary
31544414113
8
Octal
1377444035
10
Decimal
201213981
12
Duodecimal
57477339
16
Hexadecimal
bfe481d
20
Vigesimal
32hbej1
36
Base36
3bspp9
md5
c6e0f8e7142f15380b986f576aab5fbc
sha1
cb375a2d9aa67be97941be8e6220b4cbfde77d52
sha256
6d826366d6b38633ac412adabdcc327da19ee000e0ae15228a3ed49913c60b8f
sha512
87af83f4179f884a02a409c2155201c25292c8bee11cd59331b22eda4825c089cb8ff481c76217975a31907d2a4ed39fd9bf488cf916df63a5fa97d05224908b
ripemd-160
f59cab71565f159c76bc32d5a075b911a908aa43
Diameter
402427962
Circumference
1264264729.0183
Area
1.2719386958183E+17
Volume
3.4124246476473E+25
Surface area
5.0877547832732E+17
Circumference
1264264729.0183
Perimeter
804855924
Area
40487066149868361
Diagonal
284559540.86928
Surface area
242922396899210166
Volume
8.1465637590254E+24
Space diagonal
348512838.2852
Perimeter
603641943
Area
1.7531413905244E+16
Altitude
174256419.1426
Surface area
1.7531413905244E+16
Volume
9.6008174622923E+23
Height
94853180.289761