1220851805 is an odd 10-digits composite number following 1220851804
and preceding 1220851806 . In scientific notation, it is written as 1.220851805 × 10^9.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 971243520 positive integers (up to 1220851805) that are relatively prime to 1220851805.
1220851805 has 16 divisors, whose sum is 1473205104
The reverse of 1220851805 is 5081580221
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion two hundred twenty million eight hundred fifty-one thousand eight hundred five
Scientific notation
1.220851805 × 10^9
Engineering notation
1.220851805 × 10^9
Prime Factorization
5 × 641 × 313 × 1217
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1220851805
Product of the distinct prime numbers
The prime factorization of 1220851805 is 5 × 641 × 313 × 1217.
Since it has a total of 4 prime factors.
6 , 6 , 1 , 73 , 332 , 325 , 3698 , 4063 , 72081 , 60965 , 910177 , 880368 , 117405 , 8727185 , 80551316 , 21252568 , 604531150 , 871638482 , 6383434352 , 537933142
n×2
2441703610
n×3
3662555415
n×4
4883407220
n×5
6104259025
n÷2
610425902.5
n÷3
406950601.66667
n÷3
305212951.25
n÷5
244170361
n2
1490479129771758025
n3
1.8196541358967E+27
n4
2.2215280362852E+36
n5
2.7121565129569E+45
2 √n
34940.689818605
3 √n
1068.7783550723
4 √n
186.9242890012
5 √n
65.664794569954
1 , 5 , 313 , 641 , 1217 , 1565 , 3205 , 6085 , 200633 , 380921 , 780097 , 1003165 , 1904605 , 3900485 , 244170361 , 1220851805
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
-1220851804
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 1220851805 can be divided by 16 positive divisors.
The sum of these divisors (counting 1220851805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000110001001011100001011101
3
Ternary
10011002020200211112
4
Quaternary
1020301023201131
5
Quinary
10000014224210
6
Senary
321051031405
8
Octal
11061134135
10
Decimal
1220851805
12
Duodecimal
2a0a3b565
16
Hexadecimal
48c4b85d
20
Vigesimal
j1a69a5
36
Base36
k6v3a5
md5
a45ae555c97709403f702df7ef824c98
sha1
0bdbd8c35f548e7fc622737350e985ddbcc630b3
sha256
aa2a1ca6e7426a951c10e6e8dc29e3c9ce32a9bb03a8fa202bc079f064969358
sha512
e9315f00864408c1370df7344d6a29084c3ba91e12cad8aba706a7180d7ef81064937588397d84d22c7825c5b826c8cbe2fdb060595b285bab24998b1bfe5edd
ripemd-160
2ffc63cd3562bbbb3aaec70472a310bfc2cb491e
Diameter
2441703610
Circumference
7670838123.4197
Area
4.6824782844199E+18
Volume
7.6221494205431E+27
Surface area
1.8729913137679E+19
Circumference
7670838123.4197
Perimeter
4883407220
Area
1490479129771758025
Diagonal
1726545180.2787
Surface area
8942874778630548150
Volume
1.8196541358967E+27
Space diagonal
2114577354.7722
Perimeter
3662555415
Area
6.4539639509643E+17
Altitude
1057288677.3861
Surface area
6.4539639509643E+17
Volume
2.1444829648445E+26
Height
575515060.09289