201438981 is an odd 9-digits composite number following 201438980
and preceding 201438982 . In scientific notation, it is written as 2.01438981 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 134292492 positive integers (up to 201438981) that are relatively prime to 201438981.
201438981 has 12 divisors, whose sum is 301744352
The reverse of 201438981 is 189834102
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred one million four hundred thirty-eight thousand nine hundred eighty-one
Scientific notation
2.01438981 × 10^8
Engineering notation
2.01438981 × 10^6
Prime Factorization
9 × 3 × 9 × 828967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
22382109
Product of the distinct prime numbers
The prime factorization of 201438981 is 9 × 3 × 9 × 828967.
Since it has a total of 4 prime factors.
7 , 7 , 47 , 7 , 550 , 145 , 7690 , 5339 , 88682 , 93776 , 91170 , 437781 , 5375373 , 1399293 , 19895377 , 29121677 , 557608207 , 910442810 , 8016734229 , 1814979825
n×2
402877962
n×3
604316943
n×4
805755924
n×5
1007194905
n÷2
100719490.5
n÷3
67146327
n÷3
50359745.25
n÷5
40287796.2
n2
40577663066318361
n3
8.1739230994405E+24
n4
1.6465467399237E+33
n5
3.3167869745909E+41
2 √n
14192.920101234
3 √n
586.20273264389
4 √n
119.13404257908
5 √n
45.796121949062
1 , 3 , 9 , 27 , 81 , 243 , 828967 , 2486901 , 7460703 , 22382109 , 67146327 , 201438981
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201438980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201438981 can be divided by 12 positive divisors.
The sum of these divisors (counting 201438981) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100000000011011011100000101
3
Ternary
112001001011100000
4
Quaternary
30000123130011
5
Quinary
403032021411
6
Senary
31553311513
8
Octal
1400333405
10
Decimal
201438981
12
Duodecimal
57565599
16
Hexadecimal
c01b705
20
Vigesimal
32ijh91
36
Base36
3bxjb9
md5
c895e7306441403d665fb707560758d5
sha1
886106d24c1e78c4dfb4611c6c2ef17200759be7
sha256
09192f59b6a5f17a6ffec971b62dfd0fce461d93af9d28abfc885a90b0d1d586
sha512
4efc4f02c77f9c6fc1282aca9d662c2701fe28282933c7c72fc89f949bb1e297d3b7fb34e926f372bbf379eae5e5fb7e319e66f20e5156fd26fa1acb3ebc0beb
ripemd-160
9b32f1821ea8a450352c28c5d843b5de86a8e4f4
Diameter
402877962
Circumference
1265678445.7124
Area
1.2747848818899E+17
Volume
3.4238849013614E+25
Surface area
5.0991395275595E+17
Circumference
1265678445.7124
Perimeter
805755924
Area
40577663066318361
Diagonal
284877738.92082
Surface area
243465978397910166
Volume
8.1739230994405E+24
Space diagonal
348902549.7169
Perimeter
604316943
Area
1.7570643520819E+16
Altitude
174451274.85845
Surface area
1.7570643520819E+16
Volume
9.6330607541862E+23
Height
94959246.306939