19798981 is an odd 8-digits prime number following 19798980
and preceding 19798982 . In scientific notation, it is written as 1.9798981 × 10^7.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 19798980 positive integers (up to 19798981) that are relatively prime to 19798981.
19798981 has 2 divisors, whose sum is 19798982
The reverse of 19798981 is 18989791
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 52 Digital Root 7
Name
nineteen million seven hundred ninety-eight thousand nine hundred eighty-one
Scientific notation
1.9798981 × 10^7
Engineering notation
1.9798981 × 10^6
Prime Factorization
19798981
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
19798981 Product of the distinct prime numbers
The prime factorization of 19798981 is 19798981.
Since it has a total of 1 prime factors.
4 , 8 , 65 , 65 , 732 , 377 , 8972 , 9789 , 95309 , 95628 , 309095 , 618390 , 6026547 , 2354766 , 51525662 , 373281 , 579068808 , 666956315 , 6126043402 , 8618589863
n×2
39597962
n×3
59396943
n×4
79195924
n×5
98994905
n÷2
9899490.5
n÷3
6599660.3333333
n÷3
4949745.25
n÷5
3959796.2
n2
391999648638361
n3
7.7611935953976E+21
n4
1.536637245326E+29
n5
3.0423851624102E+36
2 √n4449.6045891742
3 √n270.52928184234
4 √n66.705356525351
5 √n28.795761493272
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
19798982 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9899491 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4449.6047015437 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998989847 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19798981 can be divided by 2 positive divisors.
The sum of these divisors (counting 19798981) is 19798982, the average is 9899491.
Base
System
Value
2
Binary
1001011100001101111000101
3
Ternary
1101020220002121
4
Quaternary
1023201233011
5
Quinary
20032031411
6
Senary
1544205541
8
Octal
113415705
10
Decimal
19798981
12
Duodecimal
67698b1
16
Hexadecimal
12e1bc5
20
Vigesimal
63eh91
36
Base36
bsczp
md5
3c1b337fbb22361445b0636ddb07b8e2
sha1
84a95f8503d63f22bd95f943fa7df2c102899592
sha256
0b30313e3fced34b0b093c989c6cd3529e1b19ad567917a19f55b023b20cb8ff
sha512
db6aaf7a18b7cc9c3adb1c1d278d2bede3f59174257cfdbbe6f19b9f35564b27c02ac5792f14fa02da20e6005ff3febb4b6414782c5073ade126c6e4c4e6b2c3
ripemd-160
d38df5832deaff917439754aab4e71a049fe9874
Diameter
39597962
Circumference
124400666.51633
Area
1.2315032163721E+15
Volume
3.2510011709852E+22
Surface area
4.9260128654882E+15
Circumference
124400666.51633
Perimeter
79195924
Area
391999648638361
Diagonal
27999987.451367
Surface area
2351997891830166
Volume
7.7611935953976E+21
Space diagonal
34292841.030091
Perimeter
59396943
Area
1.697408269977E+14
Altitude
17146420.515045
Surface area
1.697408269977E+14
Volume
9.1466543690121E+20
Height
9333329.1504557