1999778909 is an odd 10-digits composite number following 1999778908
and preceding 1999778910 . In scientific notation, it is written as 1.999778909 × 10^9.
The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors.
There are 1996081920 positive integers (up to 1999778909) that are relatively prime to 1999778909.
1999778909 has 4 divisors, whose sum is 2003475900
The reverse of 1999778909 is 9098779991
Previous prime number is 541
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 68
Digital Root 5
Name
one billion nine hundred ninety-nine million seven hundred seventy-eight thousand nine hundred nine
Scientific notation
1.999778909 × 10^9
Engineering notation
1.999778909 × 10^9
Prime Factorization
541 × 3696449
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1999778909
Product of the distinct prime numbers
The prime factorization of 1999778909 is 541 × 3696449.
Since it has a total of 2 prime factors.
5 , 5 , 1 , 58 , 454 , 942 , 2378 , 4935 , 54952 , 26344 , 807951 , 994689 , 6594517 , 7953816 , 58188324 , 80978538 , 868886414 , 578916375 , 7838192697 , 3639779987
n×2
3999557818
n×3
5999336727
n×4
7999115636
n×5
9998894545
n÷2
999889454.5
n÷3
666592969.66667
n÷3
499944727.25
n÷5
399955781.8
n2
3999115684881230281
n3
7.9973472012766E+27
n4
1.5992926261063E+37
n5
3.1982316630066E+46
2 √n
44718.887609152
3 √n
1259.8746219832
4 √n
211.46840806407
5 √n
72.476363874302
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
-1999778908
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 1999778909 can be divided by 4 positive divisors.
The sum of these divisors (counting 1999778909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001100100011010001011101
3
Ternary
12011100221021221112
4
Quaternary
1313030203101131
5
Quinary
13043420411114
6
Senary
530234111405
8
Octal
16714432135
10
Decimal
1999778909
12
Duodecimal
47987b565
16
Hexadecimal
7732345d
20
Vigesimal
1b4ic759
36
Base36
x2m7a5
md5
865fbc9a7dfa0088efc14ecef2968b85
sha1
b25d9bf97be7d5a9c9860c7e5e0a16645e57b75e
sha256
de7e7c3a460460e0ed37e94a0624f663ea0ea5a9072e3ee131af902c4ec93149
sha512
ccb07e88067b77e81ee92e13244c0a706242a8612b62eaf1adccf8b4ee903bb4b49e5c18e5bb57ffbd1d8191ee0ee5c6403310bf8cc89a4273db11672dae7dc6
ripemd-160
0a0faf6eba17b11989b62a177ea8368c4b312cb5
Diameter
3999557818
Circumference
12564981458.636
Area
1.2563592456479E+19
Volume
3.3499209620983E+28
Surface area
5.0254369825914E+19
Circumference
12564981458.636
Perimeter
7999115636
Area
3999115684881230281
Diagonal
2828114454.8555
Surface area
2.3994694109287E+19
Volume
7.9973472012766E+27
Space diagonal
3463718674.2927
Perimeter
5999336727
Area
1.73166788789E+18
Altitude
1731859337.1463
Surface area
1.73166788789E+18
Volume
9.4249640625432E+26
Height
942704818.28516