1999812145 is an odd 10-digits composite number following 1999812144
and preceding 1999812146 . In scientific notation, it is written as 1.999812145 × 10^9.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 1597121904 positive integers (up to 1999812145) that are relatively prime to 1999812145.
1999812145 has 8 divisors, whose sum is 2403866304
The reverse of 1999812145 is 5412189991
Previous prime number is 587
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion nine hundred ninety-nine million eight hundred twelve thousand one hundred forty-five
Scientific notation
1.999812145 × 10^9
Engineering notation
1.999812145 × 10^9
Prime Factorization
5 × 587 × 681367
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1999812145
Product of the distinct prime numbers
The prime factorization of 1999812145 is 5 × 587 × 681367.
Since it has a total of 3 prime factors.
6 , 10 , 19 , 63 , 431 , 772 , 1154 , 1614 , 74465 , 69478 , 861863 , 327458 , 2449198 , 2311354 , 46649367 , 30883733 , 303559601 , 178344201 , 805358442 , 8967739395
n×2
3999624290
n×3
5999436435
n×4
7999248580
n×5
9999060725
n÷2
999906072.5
n÷3
666604048.33333
n÷3
499953036.25
n÷5
399962429
n2
3999248615289501025
n3
7.9977459517304E+27
n4
1.5993989486895E+37
n5
3.1984974422895E+46
2 √n
44719.259217925
3 √n
1259.8816015816
4 √n
211.46928670123
5 √n
72.476604781775
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1999812144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1999812145 can be divided by 8 positive divisors.
The sum of these divisors (counting 1999812145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001100101011011000110001
3
Ternary
12011100222222112111
4
Quaternary
1313030223120301
5
Quinary
13043422442040
6
Senary
530234525321
8
Octal
16714533061
10
Decimal
1999812145
12
Duodecimal
479896841
16
Hexadecimal
7732b631
20
Vigesimal
1b4iga75
36
Base36
x2mwxd
md5
45fe8e6a3b2dc7b88aff1ed0a52053bc
sha1
336931a1fed1e487ef527685d50b131d6da0a6bd
sha256
a405a0bdbb1a934962644d44382b4e09fee1816bcabfa8f0428368b6df0e2660
sha512
9c4c6c571ec5c64009611797ebb117904da19ac71311f792d1bd9983c12890ee70e9c5995ab4d2602b1b40a5442aafa1fa1b9216faeda8bb04da1cca84674908
ripemd-160
ede304687a2d274e9f5e421a4ab9edb0dfd3ae09
Diameter
3999624290
Circumference
12565190286.583
Area
1.2564010069673E+19
Volume
3.3500879902978E+28
Surface area
5.0256040278691E+19
Circumference
12565190286.583
Perimeter
7999248580
Area
3999248615289501025
Diagonal
2828161457.6574
Surface area
2.3995491691737E+19
Volume
7.9977459517304E+27
Space diagonal
3463776240.7333
Perimeter
5999436435
Area
1.7317254484452E+18
Altitude
1731888120.3666
Surface area
1.7317254484452E+18
Volume
9.4254339944597E+26
Height
942720485.88581