1999778907 is an odd 10-digits composite number following 1999778906
and preceding 1999778908 . In scientific notation, it is written as 1.999778907 × 10^9.
The sum of its digits is 66. It has a total of 3 prime factors and 8 positive divisors.
There are 1057779360 positive integers (up to 1999778907) that are relatively prime to 1999778907.
1999778907 has 8 divisors, whose sum is 2097960480
The reverse of 1999778907 is 7098779991
Previous prime number is 713
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 66
Digital Root 3
Name
one billion nine hundred ninety-nine million seven hundred seventy-eight thousand nine hundred seven
Scientific notation
1.999778907 × 10^9
Engineering notation
1.999778907 × 10^9
Prime Factorization
21 × 713 × 133559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1999778907
Product of the distinct prime numbers
The prime factorization of 1999778907 is 21 × 713 × 133559.
Since it has a total of 3 prime factors.
4 , 9 , 18 , 71 , 165 , 807 , 6664 , 7982 , 82225 , 90516 , 753723 , 74765 , 7928344 , 6840022 , 66173008 , 47531745 , 213212423 , 730219987 , 9007604346 , 1364325179
n×2
3999557814
n×3
5999336721
n×4
7999115628
n×5
9998894535
n÷2
999889453.5
n÷3
666592969
n÷3
499944726.75
n÷5
399955781.4
n2
3999115676882114649
n3
7.9973471772819E+27
n4
1.5992926197084E+37
n5
3.1982316470137E+46
2 √n
44718.88758679
3 √n
1259.8746215632
4 √n
211.4684080112
5 √n
72.476363859806
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
-1999778906
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 1999778907 can be divided by 8 positive divisors.
The sum of these divisors (counting 1999778907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111001100100011010001011011
3
Ternary
12011100221021221110
4
Quaternary
1313030203101123
5
Quinary
13043420411112
6
Senary
530234111403
8
Octal
16714432133
10
Decimal
1999778907
12
Duodecimal
47987b563
16
Hexadecimal
7732345b
20
Vigesimal
1b4ic757
36
Base36
x2m7a3
md5
f5db25bfffe11e694b40ad41f6e33973
sha1
76ec8dc47e72cb4e8bc1919be7ea75027c5aa785
sha256
7b72423945173d3a3d6698c66f539de4967af4fdb798ae9e085d03655154ac88
sha512
6fff784d7b275da120184edd757fa7d2d9c70b6bbecc2d12d05c51d6efc449286814aee5b17ebe2f13b08593286a3d6b9b8127592eecc7eba1108e1cea1c3030
ripemd-160
f1dfc87cb571d3a4d9e44d7d0b2fdeed7943490e
Diameter
3999557814
Circumference
12564981446.07
Area
1.2563592431349E+19
Volume
3.3499209520474E+28
Surface area
5.0254369725394E+19
Circumference
12564981446.07
Perimeter
7999115628
Area
3999115676882114649
Diagonal
2828114452.027
Surface area
2.3994694061293E+19
Volume
7.9973471772819E+27
Space diagonal
3463718670.8286
Perimeter
5999336721
Area
1.7316678844263E+18
Altitude
1731859335.4143
Surface area
1.7316678844263E+18
Volume
9.4249640342652E+26
Height
942704817.34235