201991808 is an even 9-digits composite number following 201991807
and preceding 201991809 . In scientific notation, it is written as 2.01991808 × 10^8.
The sum of its digits is 38. It has a total of 8 prime factors and 16 positive divisors.
There are 100995840 positive integers (up to 201991808) that are relatively prime to 201991808.
201991808 has 16 divisors, whose sum is 402405810
The reverse of 201991808 is 808199102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred one million nine hundred ninety-one thousand eight hundred eight
Scientific notation
2.01991808 × 10^8
Engineering notation
2.01991808 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 2 × 1578061
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
3156122
Product of the distinct prime numbers
The prime factorization of 201991808 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1578061.
Since it has a total of 8 prime factors.
4 , 8 , 90 , 28 , 741 , 292 , 1497 , 7537 , 24489 , 60874 , 230948 , 408862 , 7583861 , 6058841 , 65952639 , 31495258 , 169485522 , 770325265 , 818962375 , 3796280352
n×2
403983616
n×3
605975424
n×4
807967232
n×5
1009959040
n÷2
100995904
n÷3
67330602.666667
n÷3
50497952
n÷5
40398361.6
n2
40800690499108864
n3
8.2414052415634E+24
n4
1.6646963452041E+33
n5
3.3625502453876E+41
2 √n
14212.382207076
3 √n
586.73849900971
4 √n
119.2156961439
5 √n
45.821230878834
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 1578061 , 3156122 , 6312244 , 12624488 , 25248976 , 50497952 , 100995904 , 201991808
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201991807
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201991808 can be divided by 16 positive divisors.
The sum of these divisors (counting 201991808) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100000010100010011010000000
3
Ternary
112002002020200002
4
Quaternary
30002202122000
5
Quinary
403202214213
6
Senary
32013215132
8
Octal
1402423200
10
Decimal
201991808
12
Duodecimal
577914a8
16
Hexadecimal
c0a2680
20
Vigesimal
3328ja8
36
Base36
3c9dvk
md5
b0b7af09dfb4b77f68292d677d5cc7e0
sha1
06d080c92ce3857b3e1c5d2570592d6c6fb23e65
sha256
471532521a76e23bd56ebce8e3cc849f9e01abbe675afa0f17f96b315a218326
sha512
4e84cdbbbe2f9a6e8584e3718e986e43bcd1aa09b3aa6b0c6bc4550e750100f0c6b4954f122a544dba06763d9b1952c440f6392fa1fe371ae3e468f3c575f4b3
ripemd-160
85e05ffb4f9e0cd5e2df4a5a6599a20016736383
Diameter
403983616
Circumference
1269151960.1962
Area
1.2817914953339E+17
Volume
3.4521517549536E+25
Surface area
5.1271659813357E+17
Circumference
1269151960.1962
Perimeter
807967232
Area
40800690499108864
Diagonal
285659554.36186
Surface area
244804142994653184
Volume
8.2414052415634E+24
Space diagonal
349860074.1687
Perimeter
605975424
Area
1.7667217232087E+16
Altitude
174930037.08435
Surface area
1.7667217232087E+16
Volume
9.7125892213598E+23
Height
95219851.453954