201985391 is an odd 9-digits composite number following 201985390
and preceding 201985392 . In scientific notation, it is written as 2.01985391 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 201457632 positive integers (up to 201985391) that are relatively prime to 201985391.
201985391 has 4 divisors, whose sum is 202513152
The reverse of 201985391 is 193589102
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred one million nine hundred eighty-five thousand three hundred ninety-one
Scientific notation
2.01985391 × 10^8
Engineering notation
2.01985391 × 10^6
Prime Factorization
383 × 527377
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201985391
Product of the distinct prime numbers
The prime factorization of 201985391 is 383 × 527377.
Since it has a total of 2 prime factors.
4 , 8 , 64 , 22 , 739 , 983 , 8185 , 1827 , 4859 , 8946 , 25032 , 69850 , 7766269 , 4267875 , 49461827 , 76109951 , 489065332 , 176405003 , 9786047075 , 966064850
n×2
403970782
n×3
605956173
n×4
807941564
n×5
1009926955
n÷2
100992695.5
n÷3
67328463.666667
n÷3
50496347.75
n÷5
40397078.2
n2
40798098177422881
n3
8.2406198124231E+24
n4
1.6644848148946E+33
n5
3.3620161615006E+41
2 √n
14212.156451433
3 √n
586.73228565407
4 √n
119.21474930323
5 √n
45.820939739725
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
-201985390
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 201985391 can be divided by 4 positive divisors.
The sum of these divisors (counting 201985391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000010100000110101101111
3
Ternary
112002001220212102
4
Quaternary
30002200311233
5
Quinary
403202013031
6
Senary
32013125315
8
Octal
1402406557
10
Decimal
201985391
12
Duodecimal
5778983b
16
Hexadecimal
c0a0d6f
20
Vigesimal
332839b
36
Base36
3c98xb
md5
f4eb4c2d7e3c7bb90d7f814a3192b52a
sha1
38ab3658d1fe8b95511a842e2b3b54aa5b9704ab
sha256
de39da0c68ffa1a76de670f55cdd1cd3fa99dacff667f801a07e7efafbce8e3e
sha512
0a9511226977077cffc36b9596bfe0884d5063fe8f543a694f32160897fe049ec3629e8250f54afceaf02e651797382b34592d570b5bd9757b1cb6974dddc9df
ripemd-160
85d7f53e931d4201754e2b486640b41ff32e5200
Diameter
403970782
Circumference
1269111640.9961
Area
1.2817100551463E+17
Volume
3.4518227551647E+25
Surface area
5.1268402205851E+17
Circumference
1269111640.9961
Perimeter
807941564
Area
40798098177422881
Diagonal
285650479.35343
Surface area
244788589064537286
Volume
8.2406198124231E+24
Space diagonal
349848959.59867
Perimeter
605956173
Area
1.766609472387E+16
Altitude
174924479.79933
Surface area
1.766609472387E+16
Volume
9.711663584241E+23
Height
95216826.451144