19995979 is an odd 8-digits prime number following 19995978
and preceding 19995980 . In scientific notation, it is written as 1.9995979 × 10^7.
The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors.
There are 19995978 positive integers (up to 19995979) that are relatively prime to 19995979.
19995979 has 2 divisors, whose sum is 19995980
The reverse of 19995979 is 97959991
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-five thousand nine hundred seventy-nine
Scientific notation
1.9995979 × 10^7
Engineering notation
1.9995979 × 10^6
Prime Factorization
19995979
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19995979
Product of the distinct prime numbers
The prime factorization of 19995979 is 19995979.
Since it has a total of 1 prime factors.
6 , 1 , 89 , 83 , 495 , 652 , 7850 , 9728 , 50590 , 67257 , 306438 , 854840 , 6015426 , 3494541 , 73420692 , 82862536 , 775927390 , 757299854 , 5469151691 , 7851799494
n×2
39991958
n×3
59987937
n×4
79983916
n×5
99979895
n÷2
9997989.5
n÷3
6665326.3333333
n÷3
4998994.75
n÷5
3999195.8
n2
399839176168441
n3
7.9951757700414E+21
n4
1.5987136679906E+29
n5
3.1967844932153E+36
2 √n
4471.6863709343
3 √n
271.42356931819
4 √n
66.870668988237
5 √n
28.852837805564
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19995980
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9997990
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4471.686482749
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998999799
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19995979 can be divided by 2 positive divisors.
The sum of these divisors (counting 19995979) is 19995980, the average is 9997990.
Base
System
Value
2
Binary
1001100010001110101001011
3
Ternary
1101121220022211
4
Quaternary
1030101311023
5
Quinary
20104332404
6
Senary
1552325551
8
Octal
114216513
10
Decimal
19995979
12
Duodecimal
68438b7
16
Hexadecimal
1311d4b
20
Vigesimal
64j9ij
36
Base36
bwkzv
md5
b0f299aac55f8324d60d0f30a42cd6ef
sha1
ef268008744faee98e7e9146abd6b66c5202220b
sha256
3c5b513a369a9e4eeb4b46f12a1e0348c8330b79cee64c4e83c8ca07c94de840
sha512
35b398e0acdf7c0702982c101c62d89d58492d181d02219198293f547b29f31c8f099828ef94c8a6206838971b84fc11b2feedc7fb4a3475b0bfb97a37b1cbc6
ripemd-160
a11f1902716acf8a0c505444441b1cfa36b1d68c
Diameter
39991958
Circumference
125638441.45547
Area
1.2561318184682E+15
Volume
3.3490113951095E+22
Surface area
5.0245272738727E+15
Circumference
125638441.45547
Perimeter
79983916
Area
399839176168441
Diagonal
28278584.694728
Surface area
2399035057010646
Volume
7.9951757700414E+21
Space diagonal
34634051.57508
Perimeter
59987937
Area
1.7313544199506E+14
Altitude
17317025.78754
Surface area
1.7313544199506E+14
Volume
9.4224050062911E+20
Height
9426194.8982425