20398979 is an odd 8-digits prime number following 20398978
and preceding 20398980 . In scientific notation, it is written as 2.0398979 × 10^7.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 20398978 positive integers (up to 20398979) that are relatively prime to 20398979.
20398979 has 2 divisors, whose sum is 20398980
The reverse of 20398979 is 97989302
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 47 Digital Root 2
Name
twenty million three hundred ninety-eight thousand nine hundred seventy-nine
Scientific notation
2.0398979 × 10^7
Engineering notation
2.0398979 × 10^6
Prime Factorization
20398979
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
20398979 Product of the distinct prime numbers
The prime factorization of 20398979 is 20398979.
Since it has a total of 1 prime factors.
1 , 2 , 4 , 44 , 864 , 602 , 2344 , 4897 , 48684 , 63223 , 894600 , 836098 , 2331846 , 8944090 , 50451173 , 29879642 , 304050780 , 170511334 , 3915699046 , 7374658165
n×2
40797958
n×3
61196937
n×4
81595916
n×5
101994895
n÷2
10199489.5
n÷3
6799659.6666667
n÷3
5099744.75
n÷5
4079795.8
n2
416118344242441
n3
8.4883893657163E+21
n4
1.7315447641507E+29
n5
3.532174528147E+36
2 √n4516.5228882405
3 √n273.23488307801
4 √n67.20508082162
5 √n28.968211734987
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
20398980 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10199490 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4516.5229989451 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999019559 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20398979 can be divided by 2 positive divisors.
The sum of these divisors (counting 20398979) is 20398980, the average is 10199490.
Base
System
Value
2
Binary
1001101110100001110000011
3
Ternary
1102101101010202
4
Quaternary
1031310032003
5
Quinary
20210231404
6
Senary
2005115415
8
Octal
115641603
10
Decimal
20398979
12
Duodecimal
69b8b6b
16
Hexadecimal
1374383
20
Vigesimal
679h8j
36
Base36
c57yb
md5
47a9fbbb773ce4340b097521282032cd
sha1
c0be6c603e97585e2974a4c4c4b80e5e89acd69c
sha256
9080aada5cee93b436c66116060d0bba438b3c8002b7aa570d9d1f6cdc515e3b
sha512
d2324413ea2d3c5037686ce2d26c488d45d7d368228558c5e900e84a1c999ecdcb21a63015cd65242dcd330fa1d2926445629626daec5e7f31d6042566c9c855
ripemd-160
11783970da6b9a0c732d9417e4761a4e0b5afcdf
Diameter
40797958
Circumference
128170565.13426
Area
1.307274333296E+15
Volume
3.5556082229526E+22
Surface area
5.229097333184E+15
Circumference
128170565.13426
Perimeter
81595916
Area
416118344242441
Diagonal
28848512.760364
Surface area
2496710065454646
Volume
8.4883893657163E+21
Space diagonal
35332068.050531
Perimeter
61196937
Area
1.8018452854734E+14
Altitude
17666034.025265
Surface area
1.8018452854734E+14
Volume
1.0003662803083E+21
Height
9616170.9201213