20019979 is an odd 8-digits composite number following 20019978
and preceding 20019980 . In scientific notation, it is written as 2.0019979 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 16792944 positive integers (up to 20019979) that are relatively prime to 20019979.
20019979 has 8 divisors, whose sum is 22952160
The reverse of 20019979 is 97991002
Previous prime number is 329
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million nineteen thousand nine hundred seventy-nine
Scientific notation
2.0019979 × 10^7
Engineering notation
2.0019979 × 10^6
Prime Factorization
7 × 329 × 8693
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20019979
Product of the distinct prime numbers
The prime factorization of 20019979 is 7 × 329 × 8693.
Since it has a total of 3 prime factors.
3 , 5 , 11 , 15 , 690 , 758 , 2185 , 1926 , 65006 , 70665 , 997992 , 410752 , 9699584 , 1929102 , 81771442 , 20271644 , 731543258 , 167859194 , 6721206908 , 8800621732
n×2
40039958
n×3
60059937
n×4
80079916
n×5
100099895
n÷2
10009989.5
n÷3
6673326.3333333
n÷3
5004994.75
n÷5
4003995.8
n2
400799559160441
n3
8.0239987576013E+21
n4
1.606402866232E+29
n5
3.2160151647505E+36
2 √n
4474.3691175405
3 √n
271.53211716189
4 √n
66.890725198195
5 √n
28.859760556333
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20019978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20019979 can be divided by 8 positive divisors.
The sum of these divisors (counting 20019979) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010111101100001011
3
Ternary
1101200010020201
4
Quaternary
1030113230023
5
Quinary
20111114404
6
Senary
1553033031
8
Octal
114275413
10
Decimal
20019979
12
Duodecimal
6855777
16
Hexadecimal
1317b0b
20
Vigesimal
6529ij
36
Base36
bx3ij
md5
1356f0f15e12635704c346037b983d81
sha1
fb82a6970d2cdb3d32c1d2c5991083af1ba509a5
sha256
0405a3b5ce5668df895e81e32762c1cf92ff11697546779a4873d050843c616f
sha512
28c2939921090b7db45af930013f7a47f5c5016d63aa4e2635784c915029c68f0ced9488571714b051d45ed6e0000b3ff14659bf3cdf891018d5ab0091c68f46
ripemd-160
26d98e25210be572c0b0eb7c1bdedd06fb1af42b
Diameter
40039958
Circumference
125789237.90284
Area
1.2591489506205E+15
Volume
3.3610847399058E+22
Surface area
5.0365958024819E+15
Circumference
125789237.90284
Perimeter
80079916
Area
400799559160441
Diagonal
28312525.820225
Surface area
2404797354962646
Volume
8.0239987576013E+21
Space diagonal
34675620.794462
Perimeter
60059937
Area
1.7355130002927E+14
Altitude
17337810.397231
Surface area
1.7355130002927E+14
Volume
9.4563732228872E+20
Height
9437508.6067415