19989897 is an odd 8-digits composite number following 19989896
and preceding 19989898 . In scientific notation, it is written as 1.9989897 × 10^7.
The sum of its digits is 60. It has a total of 2 prime factors and 4 positive divisors.
There are 13326596 positive integers (up to 19989897) that are relatively prime to 19989897.
19989897 has 4 divisors, whose sum is 26653200
The reverse of 19989897 is 79898991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 60
Digital Root 6
Name
nineteen million nine hundred eighty-nine thousand eight hundred ninety-seven
Scientific notation
1.9989897 × 10^7
Engineering notation
1.9989897 × 10^6
Prime Factorization
3 × 6663299
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19989897
Product of the distinct prime numbers
The prime factorization of 19989897 is 3 × 6663299.
Since it has a total of 2 prime factors.
5 , 5 , 17 , 65 , 72 , 985 , 2132 , 4705 , 15601 , 27977 , 655737 , 938213 , 5955359 , 4877023 , 85398753 , 71490998 , 397082912 , 520252437 , 2941377528 , 366154511
n×2
39979794
n×3
59969691
n×4
79959588
n×5
99949485
n÷2
9994948.5
n÷3
6663299
n÷3
4997474.25
n÷5
3997979.4
n2
399595982070609
n3
7.9878825232053E+21
n4
1.5967694888697E+29
n5
3.1919257615249E+36
2 √n
4471.0062625767
3 √n
271.39604769252
4 √n
66.86558354323
5 √n
28.851082409507
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
-19989896
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 19989897 can be divided by 4 positive divisors.
The sum of these divisors (counting 19989897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000010110001001
3
Ternary
1101121120222120
4
Quaternary
1030100112021
5
Quinary
20104134042
6
Senary
1552241453
8
Octal
114202611
10
Decimal
19989897
12
Duodecimal
6840289
16
Hexadecimal
1310589
20
Vigesimal
64ieeh
36
Base36
bwgax
md5
82eeda62743c391011c59c426ac2ffbd
sha1
49b157f8f5ff7f29bbf45c98a3c8216f7074856b
sha256
860664fe1f014cad599d166df88d071ac1aa02b49f5431b5f569bbf3731a3a3e
sha512
cce70aa9cd04c5a4d6c962b5320d18aabc4330575d2b03409e42d90e20faa744c9b174aea5845c0f9986daeb12c157a801be7ffda51d21fef0f91d30c1130260
ripemd-160
ca7eafc85957953a21e50ababc65506bc2adb4a8
Diameter
39979794
Circumference
125600227.12243
Area
1.255367801677E+15
Volume
3.3459564070187E+22
Surface area
5.0214712067081E+15
Circumference
125600227.12243
Perimeter
79959588
Area
399595982070609
Diagonal
28269983.447841
Surface area
2397575892423654
Volume
7.9878825232053E+21
Space diagonal
34623517.242069
Perimeter
59969691
Area
1.7303013586167E+14
Altitude
17311758.621034
Surface area
1.7303013586167E+14
Volume
9.4138098324667E+20
Height
9423327.8159471