19997779 is an odd 8-digits prime number following 19997778
and preceding 19997780 . In scientific notation, it is written as 1.9997779 × 10^7.
The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors.
There are 19997778 positive integers (up to 19997779) that are relatively prime to 19997779.
19997779 has 2 divisors, whose sum is 19997780
The reverse of 19997779 is 97779991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 58 Digital Root 4
Name
nineteen million nine hundred ninety-seven thousand seven hundred seventy-nine
Scientific notation
1.9997779 × 10^7
Engineering notation
1.9997779 × 10^6
Prime Factorization
19997779
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
19997779 Product of the distinct prime numbers
The prime factorization of 19997779 is 19997779.
Since it has a total of 1 prime factors.
4 , 10 , 11 , 33 , 837 , 500 , 411 , 5614 , 10764 , 62231 , 836690 , 805810 , 5618743 , 5612370 , 21653280 , 61003297 , 428236148 , 913119001 , 5975212682 , 5418622025
n×2
39995558
n×3
59993337
n×4
79991116
n×5
99988895
n÷2
9998889.5
n÷3
6665926.3333333
n÷3
4999444.75
n÷5
3999555.8
n2
399911164932841
n3
7.9973350959595E+21
n4
1.5992893983794E+29
n5
3.1982235945835E+36
2 √n4471.8876327564
3 √n271.43171341832
4 √n66.87217383005
5 √n28.853357242378
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
19997780 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9998890 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4471.887744566 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998999889 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997779 can be divided by 2 positive divisors.
The sum of these divisors (counting 19997779) is 19997780, the average is 9998890.
Base
System
Value
2
Binary
1001100010010010001010011
3
Ternary
1101121222210111
4
Quaternary
1030102101103
5
Quinary
20104412104
6
Senary
1552342151
8
Octal
114222123
10
Decimal
19997779
12
Duodecimal
6844957
16
Hexadecimal
1312453
20
Vigesimal
64je8j
36
Base36
bwmdv
md5
9cecba5e9e86cdda3718c2d03fc181fd
sha1
afddd76f46a14b02edfc48ab73ab4500008a75c3
sha256
8234a19a4e87b140578711c02546f2462063c415212adeead5a26bd52fd32cc7
sha512
2bf6a00ded2cf59291502f2aed31c14a8013ae0ddcdcab09cb669a0a71fdfc36f20a48bff9062c017df981404b76e863f733e3dc7c04331938353c870bf16428
ripemd-160
13216b6763355259c9e5c75af3a4297ab6aeb9ba
Diameter
39995558
Circumference
125649751.18902
Area
1.2563579778415E+15
Volume
3.349915891435E+22
Surface area
5.0254319113662E+15
Circumference
125649751.18902
Perimeter
79991116
Area
399911164932841
Diagonal
28281130.27914
Surface area
2399466989597046
Volume
7.9973350959595E+21
Space diagonal
34637169.266534
Perimeter
59993337
Area
1.7316661404443E+14
Altitude
17318584.633267
Surface area
1.7316661404443E+14
Volume
9.4249497962902E+20
Height
9427043.42638