1813804985 is an odd 10-digits composite number following 1813804984
and preceding 1813804986 . In scientific notation, it is written as 1.813804985 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1451043984 positive integers (up to 1813804985) that are relatively prime to 1813804985.
1813804985 has 4 divisors, whose sum is 2176565988
The reverse of 1813804985 is 5894083181
Previous prime number is 5
Is Prime? no Number parity odd Number length 10 Sum of Digits 47 Digital Root 2
Name
one billion eight hundred thirteen million eight hundred four thousand nine hundred eighty-five
Scientific notation
1.813804985 × 10^9
Engineering notation
1.813804985 × 10^9
Prime Factorization
5 × 362760997
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1813804985 Product of the distinct prime numbers
The prime factorization of 1813804985 is 5 × 362760997.
Since it has a total of 2 prime factors.
6 , 6 , 46 , 57 , 636 , 385 , 5037 , 2771 , 31496 , 87489 , 248062 , 172492 , 7404794 , 5615959 , 98144506 , 84512847 , 458947662 , 242819471 , 3870000469 , 7046082728
n×2
3627609970
n×3
5441414955
n×4
7255219940
n×5
9069024925
n÷2
906902492.5
n÷3
604601661.66667
n÷3
453451246.25
n÷5
362760997
n2
3289888523610850225
n3
5.9672162042197E+27
n4
1.0823366497786E+37
n5
1.9631476108167E+46
2 √n42588.789428675
3 √n1219.5422866435
4 √n206.3705149208
5 √n71.075204549343
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
-1813804984 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 1813804985 can be divided by 4 positive divisors.
The sum of these divisors (counting 1813804985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100000111000111011110111001
3
Ternary
11200101222211200102
4
Quaternary
1230013013132321
5
Quinary
12203313224420
6
Senary
455552045145
8
Octal
15407073671
10
Decimal
1813804985
12
Duodecimal
4275337b5
16
Hexadecimal
6c1c77b9
20
Vigesimal
186g5c95
36
Base36
tzw4vt
md5
222a6f1808b546c0bc38dc6e18a62ef6
sha1
51841792cf444916517fe09913c66e86decee85f
sha256
8d25a143c8510a179008c937c3ddb692fa5416e97643cdec63e13bd9d9e74cdf
sha512
29e2131b856832b50725c6ad895d5c3936fec1fe70e11ba48e67a5b0c986d6098584b529e87ebdae6d2b86ebbc68958df48e77b053e0ea6262863f7a6e63491f
ripemd-160
6f068341d6f9285f819d332fa6938480612a3b2a
Diameter
3627609970
Circumference
11396472831.841
Area
1.0335489616905E+19
Volume
2.4995416786078E+28
Surface area
4.1341958467621E+19
Circumference
11396472831.841
Perimeter
7255219940
Area
3289888523610850225
Diagonal
2565107609.2869
Surface area
1.9739331141665E+19
Volume
5.9672162042197E+27
Space diagonal
3141602389.0417
Perimeter
5441414955
Area
1.4245635185329E+18
Altitude
1570801194.5209
Surface area
1.4245635185329E+18
Volume
7.0324317380166E+26
Height
855035869.76231