19979931 is an odd 8-digits composite number following 19979930
and preceding 19979932 . In scientific notation, it is written as 1.9979931 × 10^7.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 13319952 positive integers (up to 19979931) that are relatively prime to 19979931.
19979931 has 4 divisors, whose sum is 26639912
The reverse of 19979931 is 13997991
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred seventy-nine thousand nine hundred thirty-one
Scientific notation
1.9979931 × 10^7
Engineering notation
1.9979931 × 10^6
Prime Factorization
3 × 6659977
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19979931
Product of the distinct prime numbers
The prime factorization of 19979931 is 3 × 6659977.
Since it has a total of 2 prime factors.
10 , 10 , 86 , 97 , 903 , 583 , 2996 , 3671 , 88086 , 11888 , 395938 , 33851 , 9184870 , 8722287 , 50968983 , 34079106 , 998996017 , 402160566 , 9619903360 , 6332977360
n×2
39959862
n×3
59939793
n×4
79919724
n×5
99899655
n÷2
9989965.5
n÷3
6659977
n÷3
4994982.75
n÷5
3995986.2
n2
399197642764761
n3
7.9759413578026E+21
n4
1.5935875798894E+29
n5
3.1839769888648E+36
2 √n
4469.8916094241
3 √n
271.35093852864
4 √n
66.857247994695
5 √n
28.848205083587
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19979930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19979931 can be divided by 4 positive divisors.
The sum of these divisors (counting 19979931) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100001101111010011011
3
Ternary
1101121002022110
4
Quaternary
1030031322123
5
Quinary
20103324211
6
Senary
1552123403
8
Octal
114157233
10
Decimal
19979931
12
Duodecimal
6836563
16
Hexadecimal
130de9b
20
Vigesimal
64h9gb
36
Base36
bw8m3
md5
49cf54176637f9c8a1c95c9465b4c26a
sha1
85f4f91f182eb6b912779e5fdd43d2e3fe6cb6ea
sha256
9b1e757cde0ae6b0852586d0a255fe25effa7fd3092320d610058f6dbcd926e8
sha512
d024adf34774353f6cc1b388fa872d22bd98ae580f794abf575854bbaab031d0ef640330a5280add9e995774273b2986c69687ec66c7f5161bbd3fb0d640a7e0
ripemd-160
478d32b6fb6d8906dd44a4262831e7f303f1d860
Diameter
39959862
Circumference
125537608.89766
Area
1.2541163818401E+15
Volume
3.3409545033514E+22
Surface area
5.0164655273605E+15
Circumference
125537608.89766
Perimeter
79919724
Area
399197642764761
Diagonal
28255889.395479
Surface area
2395185856588566
Volume
7.9759413578026E+21
Space diagonal
34606255.62372
Perimeter
59939793
Area
1.7285764988257E+14
Altitude
17303127.81186
Surface area
1.7285764988257E+14
Volume
9.3997370340807E+20
Height
9418629.7984929