19998637 is an odd 8-digits prime number following 19998636
and preceding 19998638 . In scientific notation, it is written as 1.9998637 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 19998636 positive integers (up to 19998637) that are relatively prime to 19998637.
19998637 has 2 divisors, whose sum is 19998638
The reverse of 19998637 is 73689991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
nineteen million nine hundred ninety-eight thousand six hundred thirty-seven
Scientific notation
1.9998637 × 10^7
Engineering notation
1.9998637 × 10^6
Prime Factorization
19998637
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19998637
Product of the distinct prime numbers
The prime factorization of 19998637 is 19998637.
Since it has a total of 1 prime factors.
8 , 5 , 8 , 91 , 733 , 835 , 1160 , 1440 , 25433 , 72705 , 863986 , 716662 , 3608581 , 1767074 , 25801382 , 20475550 , 392954197 , 466233625 , 3147897422 , 4993174185
n×2
39997274
n×3
59995911
n×4
79994548
n×5
99993185
n÷2
9999318.5
n÷3
6666212.3333333
n÷3
4999659.25
n÷5
3999727.4
n2
399945481857769
n3
7.9983645114636E+21
n4
1.5995638845844E+29
n5
3.1989097486114E+36
2 √n
4471.9835643705
3 √n
271.43559526739
4 √n
66.872891102229
5 √n
28.853604827429
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19998638
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9999319
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4471.9836761777
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998999932
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19998637 can be divided by 2 positive divisors.
The sum of these divisors (counting 19998637) is 19998638, the average is 9999319.
Base
System
Value
2
Binary
1001100010010011110101101
3
Ternary
1101122000222021
4
Quaternary
1030102132231
5
Quinary
20104424022
6
Senary
1552350141
8
Octal
114223655
10
Decimal
19998637
12
Duodecimal
6845351
16
Hexadecimal
13127ad
20
Vigesimal
64jgbh
36
Base36
bwn1p
md5
997b73eb3e300c4a32c3c090c98bb41d
sha1
f68d866d5d0cd2dced54a34cefa5f24ab0439560
sha256
9020d7618e9f45ab388de981deea8dcbc652efca16c99444112b3941d654ab7e
sha512
d50c36601f62866d73d6950cadf819353886459fff866aa5cbb042f0391b8fb35441d5c69dd5ba53f5dad3ea169f29891ff5c16436fac15838730f682f8429c3
ripemd-160
d09527a3ef2b7a9f5989317794b77c1922052e22
Diameter
39997274
Circumference
125655142.16202
Area
1.2564657876408E+15
Volume
3.350347091993E+22
Surface area
5.0258631505632E+15
Circumference
125655142.16202
Perimeter
79994548
Area
399945481857769
Diagonal
28282343.674376
Surface area
2399672891146614
Volume
7.9983645114636E+21
Space diagonal
34638655.366127
Perimeter
59995911
Area
1.7318147370882E+14
Altitude
17319327.683063
Surface area
1.7318147370882E+14
Volume
9.4261629740962E+20
Height
9427447.8914588