19798991 is an odd 8-digits prime number following 19798990
and preceding 19798992 . In scientific notation, it is written as 1.9798991 × 10^7.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 19798990 positive integers (up to 19798991) that are relatively prime to 19798991.
19798991 has 2 divisors, whose sum is 19798992
The reverse of 19798991 is 19989791
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 53 Digital Root 8
Name
nineteen million seven hundred ninety-eight thousand nine hundred ninety-one
Scientific notation
1.9798991 × 10^7
Engineering notation
1.9798991 × 10^6
Prime Factorization
19798991
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
19798991 Product of the distinct prime numbers
The prime factorization of 19798991 is 19798991.
Since it has a total of 1 prime factors.
7 , 9 , 60 , 59 , 594 , 893 , 2525 , 5181 , 81107 , 74085 , 964356 , 192062 , 309040 , 8873694 , 97883899 , 71965561 , 441649799 , 495076567 , 9347127978 , 6877461446
n×2
39597982
n×3
59396973
n×4
79195964
n×5
98994955
n÷2
9899495.5
n÷3
6599663.6666667
n÷3
4949747.75
n÷5
3959798.2
n2
392000044618081
n3
7.761205355393E+21
n4
1.5366403498058E+29
n5
3.0423928456041E+36
2 √n4449.6057128694
3 √n270.52932738833
4 √n66.705364948176
5 √n28.795764402084
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
19798992 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9899496 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4449.6058252389 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998989848 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19798991 can be divided by 2 positive divisors.
The sum of these divisors (counting 19798991) is 19798992, the average is 9899496.
Base
System
Value
2
Binary
1001011100001101111001111
3
Ternary
1101020220002222
4
Quaternary
1023201233033
5
Quinary
20032031431
6
Senary
1544205555
8
Octal
113415717
10
Decimal
19798991
12
Duodecimal
67698bb
16
Hexadecimal
12e1bcf
20
Vigesimal
63eh9b
36
Base36
bsczz
md5
e94cb6a12a88e39db52b7b30c1faa6a4
sha1
bff228b49f39cd169e1f1f974a3322f87657bac5
sha256
6e15476757bbd3f9135440fffc39709fc532226120c9ce7b1656d9eff99af348
sha512
0f08ee1cdc9f30bb904dde06e2ca3495ecb8f65fbcc9e5c29d9dc24f2e36ea0d91c59fc4bafce8e38ef6faa7e19ab5a332d3d1503fcdb98f456d8c0a6493c0e3
ripemd-160
685c71e0c53b25aa591d032c033297161c3d761a
Diameter
39597982
Circumference
124400729.34818
Area
1.231504460379E+15
Volume
3.2510060970006E+22
Surface area
4.9260178415161E+15
Circumference
124400729.34818
Perimeter
79195964
Area
392000044618081
Diagonal
28000001.593503
Surface area
2352000267708486
Volume
7.761205355393E+21
Space diagonal
34292858.350599
Perimeter
59396973
Area
1.6974099846195E+14
Altitude
17146429.175299
Surface area
1.6974099846195E+14
Volume
9.1466682282995E+20
Height
9333333.864501