201993981 is an odd 9-digits composite number following 201993980
and preceding 201993982 . In scientific notation, it is written as 2.01993981 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 110406384 positive integers (up to 201993981) that are relatively prime to 201993981.
201993981 has 8 divisors, whose sum is 270998784
The reverse of 201993981 is 189399102
Previous prime number is 161
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred one million nine hundred ninety-three thousand nine hundred eighty-one
Scientific notation
2.01993981 × 10^8
Engineering notation
2.01993981 × 10^6
Prime Factorization
3 × 161 × 418207
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201993981
Product of the distinct prime numbers
The prime factorization of 201993981 is 3 × 161 × 418207.
Since it has a total of 3 prime factors.
10 , 5 , 52 , 53 , 819 , 284 , 6578 , 2043 , 51041 , 28638 , 194815 , 426788 , 225289 , 464023 , 845828 , 82710598 , 213271647 , 143228253 , 7228819118 , 2535330733
n×2
403987962
n×3
605981943
n×4
807975924
n×5
1009969905
n÷2
100996990.5
n÷3
67331327
n÷3
50498495.25
n÷5
40398796.2
n2
40801568360228361
n3
8.2416712241262E+24
n4
1.6647679806544E+33
n5
3.3627311185371E+41
2 √n
14212.458654293
3 √n
586.74060301943
4 √n
119.21601676911
5 √n
45.821329466106
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201993980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201993981 can be divided by 8 positive divisors.
The sum of these divisors (counting 201993981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000010100010111011111101
3
Ternary
112002002100122120
4
Quaternary
30002202323331
5
Quinary
403202301411
6
Senary
32013233153
8
Octal
1402427375
10
Decimal
201993981
12
Duodecimal
577927b9
16
Hexadecimal
c0a2efd
20
Vigesimal
33294j1
36
Base36
3c9fjx
md5
b7f03c1c7ef96976b66f89787d5b002c
sha1
1b0abb8b7ff173074ba5d7588d9dde36b2c41c6c
sha256
4fd03f179c0d213536245e90cf26194f51e9a50adb4c1c45802beb5b54afd694
sha512
39fbf3fd44ab69607060b8249c8245395dad5c870f31e2c0fb519b1fb6fd751fb0d92dded6ec4fb6659c956f920e50e4325f947bdfb3873d1bf6cfaa1d12291b
ripemd-160
4eb3b7fe033cde96f1c9cf320a5b57a3d7d21f3a
Diameter
403987962
Circumference
1269165613.5579
Area
1.2818190741544E+17
Volume
3.452263169469E+25
Surface area
5.1272762966174E+17
Circumference
1269165613.5579
Perimeter
807975924
Area
40801568360228361
Diagonal
285662627.44793
Surface area
244809410161370166
Volume
8.2416712241262E+24
Space diagonal
349863837.9151
Perimeter
605981943
Area
1.7667597357103E+16
Altitude
174931918.95755
Surface area
1.7667597357103E+16
Volume
9.7129026848161E+23
Height
95220875.815978