19990913 is an odd 8-digits composite number following 19990912
and preceding 19990914 . In scientific notation, it is written as 1.9990913 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 19766208 positive integers (up to 19990913) that are relatively prime to 19990913.
19990913 has 4 divisors, whose sum is 20215620
The reverse of 19990913 is 31909991
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred ninety thousand nine hundred thirteen
Scientific notation
1.9990913 × 10^7
Engineering notation
1.9990913 × 10^6
Prime Factorization
89 × 224617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19990913
Product of the distinct prime numbers
The prime factorization of 19990913 is 89 × 224617.
Since it has a total of 2 prime factors.
8 , 9 , 96 , 54 , 892 , 998 , 9754 , 9995 , 71498 , 45737 , 795952 , 726324 , 457420 , 1434081 , 32359660 , 95666880 , 766833497 , 104681097 , 4586324171 , 3371198818
n×2
39981826
n×3
59972739
n×4
79963652
n×5
99954565
n÷2
9995456.5
n÷3
6663637.6666667
n÷3
4997728.25
n÷5
3998182.6
n2
399636602573569
n3
7.9891005536638E+21
n4
1.5970941411654E+29
n5
3.1927370028848E+36
2 √n
4471.1198820877
3 √n
271.40064557703
4 √n
66.866433149135
5 √n
28.85137567869
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
-19990912
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 19990913 can be divided by 4 positive divisors.
The sum of these divisors (counting 19990913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000100110000001
3
Ternary
1101121122101012
4
Quaternary
1030100212001
5
Quinary
20104202123
6
Senary
1552250305
8
Octal
114204601
10
Decimal
19990913
12
Duodecimal
6840995
16
Hexadecimal
1310981
20
Vigesimal
64ih5d
36
Base36
bwh35
md5
6f503344e0638d3883b190909ef355e3
sha1
b8059e3abb727ff08b5c2f069e25ebbe35d01557
sha256
2d654689293e4601f5773b8c6284a5713cfcc56b78d4cdf3abe0c82b6b9e8e93
sha512
1ef4fe81d1fd0c878359cea13e0fc698526a71717d73de357cc9d06fdbcb3735d8d7c3e64658d824da9fcfa42265d6a32f9024f6d2e96f82495e32cdb6d9e4d2
ripemd-160
de5bf662051bcc73d230636d0c631c4ea301f7d8
Diameter
39981826
Circumference
125606610.83871
Area
1.2554954147507E+15
Volume
3.346466614424E+22
Surface area
5.0219816590028E+15
Circumference
125606610.83871
Perimeter
79963652
Area
399636602573569
Diagonal
28271420.288821
Surface area
2397819615441414
Volume
7.9891005536638E+21
Space diagonal
34625277.005689
Perimeter
59972739
Area
1.7304772505541E+14
Altitude
17312638.502845
Surface area
1.7304772505541E+14
Volume
9.4152452951281E+20
Height
9423806.7629402