2011781921 is an odd 10-digits composite number following 2011781920
and preceding 2011781922 . In scientific notation, it is written as 2.011781921 × 10^9.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 1727827200 positive integers (up to 2011781921) that are relatively prime to 2011781921.
2011781921 has 16 divisors, whose sum is 2092843008
The reverse of 2011781921 is 1291871102
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
two billion eleven million seven hundred eighty-one thousand nine hundred twenty-one
Scientific notation
2.011781921 × 10^9
Engineering notation
2.011781921 × 10^9
Prime Factorization
31 × 323 × 331 × 607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2011781921
Product of the distinct prime numbers
The prime factorization of 2011781921 is 31 × 323 × 331 × 607.
Since it has a total of 4 prime factors.
6 , 1 , 7 , 90 , 739 , 29 , 2010 , 7237 , 80315 , 72654 , 411217 , 947154 , 3814943 , 1602162 , 34096282 , 5351069 , 394315491 , 215503601 , 5210161190 , 6648735982
n×2
4023563842
n×3
6035345763
n×4
8047127684
n×5
10058909605
n÷2
1005890960.5
n÷3
670593973.66667
n÷3
502945480.25
n÷5
402356384.2
n2
4047266497662450241
n3
8.1422175694663E+27
n4
1.6380366103101E+37
n5
3.295372438558E+46
2 √n
44852.892002635
3 √n
1262.3902559379
4 √n
211.78501364033
5 √n
72.563158824832
1 , 31 , 323 , 331 , 607 , 10013 , 10261 , 18817 , 106913 , 196061 , 200917 , 3314303 , 6077891 , 6228427 , 64896191 , 2011781921
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
-2011781920
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 2011781921 can be divided by 16 positive divisors.
The sum of these divisors (counting 2011781921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111111010010101101100100001
3
Ternary
12012012112002222112
4
Quaternary
1313322111230201
5
Quinary
13110004010141
6
Senary
531343245105
8
Octal
16772255441
10
Decimal
2011781921
12
Duodecimal
4818a9795
16
Hexadecimal
77e95b21
20
Vigesimal
1b8dceg1
36
Base36
x9rgv5
md5
13f6abf44e326d1bd9a3a632d4200a2c
sha1
2a93ca9da663f4174652d24d97a5673bb72c8f88
sha256
30af687fdebaee445f6053ec08fe5c72e732d96a36b27ebaf45ff55cd83ccf08
sha512
bcc353e79e947e892f7a4f96ec7628c443233c706ee24a42a89bf27cf2ba6d41e8475cee561f3e85daa783a542d4d5a9850094dd32e2c6dc677cb3a1e9d1fae7
ripemd-160
2a64bbff8e64654aa4b4c20dd29655f2a8e18a62
Diameter
4023563842
Circumference
12640398607.277
Area
1.2714862696176E+19
Volume
3.410604120022E+28
Surface area
5.0859450784706E+19
Circumference
12640398607.277
Perimeter
8047127684
Area
4047266497662450241
Diagonal
2845089277.2152
Surface area
2.4283598985975E+19
Volume
8.1422175694663E+27
Space diagonal
3484508500.9205
Perimeter
6035345763
Area
1.7525178014307E+18
Altitude
1742254250.4603
Surface area
1.7525178014307E+18
Volume
9.5956954287765E+26
Height
948363092.40507