1999661305 is an odd 10-digits composite number following 1999661304
and preceding 1999661306 . In scientific notation, it is written as 1.999661305 × 10^9.
The sum of its digits is 49. It has a total of 4 prime factors and 16 positive divisors.
There are 1575124992 positive integers (up to 1999661305) that are relatively prime to 1999661305.
1999661305 has 16 divisors, whose sum is 2436754320
The reverse of 1999661305 is 5031669991
Previous prime number is 197
Is Prime? no Number parity odd Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion nine hundred ninety-nine million six hundred sixty-one thousand three hundred five
Scientific notation
1.999661305 × 10^9
Engineering notation
1.999661305 × 10^9
Prime Factorization
5 × 97 × 197 × 20929
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
1999661305 Product of the distinct prime numbers
The prime factorization of 1999661305 is 5 × 97 × 197 × 20929.
Since it has a total of 4 prime factors.
9 , 8 , 46 , 1 , 441 , 796 , 9875 , 5477 , 95519 , 31111 , 480133 , 763563 , 2375730 , 7934789 , 74246747 , 42604722 , 863820282 , 619377297 , 403428586 , 1599639814
n×2
3999322610
n×3
5998983915
n×4
7998645220
n×5
9998306525
n÷2
999830652.5
n÷3
666553768.33333
n÷3
499915326.25
n÷5
399932261
n2
3998645334714303025
n3
7.995936348247E+27
n4
1.5989164512832E+37
n5
3.197291357559E+46
2 √n44717.572664446
3 √n1259.8499243864
4 √n211.46529896048
5 √n72.475511408986
1 , 5 , 97 , 197 , 485 , 985 , 19109 , 20929 , 95545 , 104645 , 2030113 , 4123013 , 10150565 , 20615065 , 399932261 , 1999661305
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
-1999661304 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 1999661305 can be divided by 16 positive divisors.
The sum of these divisors (counting 1999661305) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111001100000110100011111001
3
Ternary
12011100201022121211
4
Quaternary
1313030012203321
5
Quinary
13043403130210
6
Senary
530231403121
8
Octal
16714064371
10
Decimal
1999661305
12
Duodecimal
4798234a1
16
Hexadecimal
773068f9
20
Vigesimal
1b4hhd55
36
Base36
x2jojd
md5
6da84189cccfe08c243365408c6d95dd
sha1
f9a84e9e50951f8b1af47d300a258410d6ccca3e
sha256
55e64ca2cdf182b5ef92a7cd49b172b844916e96c59b5af81ddb57a2b89c7e29
sha512
c502c7482504314fdd1e58f42f288523a97bb24cab6994d7c9a71f2b1d18e36429116931e5d9014421c9bc7c3812451812cbff2317b4c4d124061a02b0e58bfb
ripemd-160
f31cc412ae4fe1cb2a1fc9a0c3cccba8f67b23ea
Diameter
3999322610
Circumference
12564242530.912
Area
1.256211480785E+19
Volume
3.3493299853632E+28
Surface area
5.0248459231398E+19
Circumference
12564242530.912
Perimeter
7998645220
Area
3998645334714303025
Diagonal
2827948137.6837
Surface area
2.3991872008286E+19
Volume
7.995936348247E+27
Space diagonal
3463514978.1895
Perimeter
5998983915
Area
1.7314642202934E+18
Altitude
1731757489.0947
Surface area
1.7314642202934E+18
Volume
9.4233013563024E+26
Height
942649379.22789