19971009 is an odd 8-digits composite number following 19971008
and preceding 19971010 . In scientific notation, it is written as 1.9971009 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 12953520 positive integers (up to 19971009) that are relatively prime to 19971009.
19971009 has 16 divisors, whose sum is 30387840
The reverse of 19971009 is 90017991
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
nineteen million nine hundred seventy-one thousand nine
Scientific notation
1.9971009 × 10^7
Engineering notation
1.9971009 × 10^6
Prime Factorization
9 × 3 × 37 × 19991
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19971009
Product of the distinct prime numbers
The prime factorization of 19971009 is 9 × 3 × 37 × 19991.
Since it has a total of 4 prime factors.
3 , 2 , 48 , 92 , 698 , 877 , 6895 , 9771 , 70865 , 99803 , 888322 , 985247 , 5801414 , 5350600 , 25359852 , 50857144 , 196455154 , 794686188 , 6495820632 , 5891555874
n×2
39942018
n×3
59913027
n×4
79884036
n×5
99855045
n÷2
9985504.5
n÷3
6657003
n÷3
4992752.25
n÷5
3994201.8
n2
398841200478081
n3
7.9652612043186E+21
n4
1.590743031988E+29
n5
3.1768743408519E+36
2 √n
4468.8934872069
3 √n
271.31054210074
4 √n
66.849783000447
5 √n
28.845628201097
1 , 3 , 9 , 27 , 37 , 111 , 333 , 999 , 19991 , 59973 , 179919 , 539757 , 739667 , 2219001 , 6657003 , 19971009
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
-19971008
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 19971009 can be divided by 16 positive divisors.
The sum of these divisors (counting 19971009) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001011101111000001
3
Ternary
1101120122002000
4
Quaternary
1030023233001
5
Quinary
20103033014
6
Senary
1552014213
8
Octal
114135701
10
Decimal
19971009
12
Duodecimal
6831369
16
Hexadecimal
130bbc1
20
Vigesimal
64g7a9
36
Base36
bw1q9
md5
ffd343a48dd95c101f86d746ff552cbf
sha1
2c84e28bb07d2a5262fc8657c5c9f342694445d6
sha256
5b344ae4fefa0745fc6644fe6100eb07b7070984633c274e8d44667f67143492
sha512
4df527a7deff19bf7dc10fa6d3e25f67051d2259cf004a5983028a4266f7daf0236bb34ce0b4262ab2abf54714445c4c8b174c83c82a8a4b610fe28c2c11ee31
ripemd-160
9181f0bcd8c8fae5aca864bf4a50c3f3934e6920
Diameter
39942018
Circumference
125481550.31835
Area
1.2529965853709E+15
Volume
3.3364808111215E+22
Surface area
5.0119863414835E+15
Circumference
125481550.31835
Perimeter
79884036
Area
398841200478081
Diagonal
28243271.782075
Surface area
2393047202868486
Volume
7.9652612043186E+21
Space diagonal
34590802.266415
Perimeter
59913027
Area
1.7270330584495E+14
Altitude
17295401.133208
Surface area
1.7270330584495E+14
Volume
9.387150352493E+20
Height
9414423.9273584