1220851809 is an odd 10-digits composite number following 1220851808
and preceding 1220851810 . In scientific notation, it is written as 1.220851809 × 10^9.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 813901200 positive integers (up to 1220851809) that are relatively prime to 1220851809.
1220851809 has 4 divisors, whose sum is 1356502020
The reverse of 1220851809 is 9081580221
Previous prime number is 9
Is Prime? no Number parity odd Number length 10 Sum of Digits 36 Digital Root 9
Name
one billion two hundred twenty million eight hundred fifty-one thousand eight hundred nine
Scientific notation
1.220851809 × 10^9
Engineering notation
1.220851809 × 10^9
Prime Factorization
9 × 135650201
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1220851809 Product of the distinct prime numbers
The prime factorization of 1220851809 is 9 × 135650201.
Since it has a total of 2 prime factors.
10 , 5 , 33 , 99 , 660 , 292 , 8423 , 6027 , 26242 , 32589 , 508303 , 362095 , 2488862 , 1831870 , 45051684 , 15603013 , 447625455 , 855137652 , 8338401130 , 4142925010
n×2
2441703618
n×3
3662555427
n×4
4883407236
n×5
6104259045
n÷2
610425904.5
n÷3
406950603
n÷3
305212952.25
n÷5
244170361.8
n2
1490479139538572481
n3
1.8196541537824E+27
n4
2.2215280653996E+36
n5
2.7121565573874E+45
2 √n34940.689875845
3 √n1068.7783562395
4 √n186.92428915431
5 √n65.664794612983
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
-1220851808 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 1220851809 can be divided by 4 positive divisors.
The sum of these divisors (counting 1220851809) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000110001001011100001100001
3
Ternary
10011002020200211200
4
Quaternary
1020301023201201
5
Quinary
10000014224214
6
Senary
321051031413
8
Octal
11061134141
10
Decimal
1220851809
12
Duodecimal
2a0a3b569
16
Hexadecimal
48c4b861
20
Vigesimal
j1a69a9
36
Base36
k6v3a9
md5
9f75a42729026dce2f6fa2832f86ee85
sha1
27ff2dbce19b79ccfc0200b46b95f7aa1ae15061
sha256
b49bafc64ebd152621f00a8261914ce394b979d01806bea4956713006dadf661
sha512
5b351e1f5a7b42439dfef21f3421299fb0f66850129acf91beee30736a58d0d054eed8034a890bbd23e22c3a4fd54a187d86f5571d41893e992f8930c9192a25
ripemd-160
f16cc12e58b198bfcdec9f626609f1ac44920e6a
Diameter
2441703618
Circumference
7670838148.5524
Area
4.6824783151032E+18
Volume
7.6221494954627E+27
Surface area
1.8729913260413E+19
Circumference
7670838148.5524
Perimeter
4883407236
Area
1490479139538572481
Diagonal
1726545185.9355
Surface area
8942874837231434886
Volume
1.8196541537824E+27
Space diagonal
2114577361.7004
Perimeter
3662555427
Area
6.4539639932559E+17
Altitude
1057288680.8502
Surface area
6.4539639932559E+17
Volume
2.144482985923E+26
Height
575515061.97851