19909931 is an odd 8-digits prime number following 19909930
and preceding 19909932 . In scientific notation, it is written as 1.9909931 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 19909930 positive integers (up to 19909931) that are relatively prime to 19909931.
19909931 has 2 divisors, whose sum is 19909932
The reverse of 19909931 is 13990991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
nineteen million nine hundred nine thousand nine hundred thirty-one
Scientific notation
1.9909931 × 10^7
Engineering notation
1.9909931 × 10^6
Prime Factorization
19909931
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19909931
Product of the distinct prime numbers
The prime factorization of 19909931 is 19909931.
Since it has a total of 1 prime factors.
1 , 8 , 44 , 72 , 592 , 303 , 9940 , 8623 , 19842 , 59903 , 471393 , 602608 , 7564636 , 9590387 , 35206267 , 99876871 , 213203806 , 10805756 , 7248829121 , 1902689269
n×2
39819862
n×3
59729793
n×4
79639724
n×5
99549655
n÷2
9954965.5
n÷3
6636643.6666667
n÷3
4977482.75
n÷5
3981986.2
n2
396405352424761
n3
7.8924032148077E+21
n4
1.57137203431E+29
n5
3.1285908778442E+36
2 √n
4462.0545716071
3 √n
271.03367364319
4 √n
66.798612048508
5 √n
28.827962668503
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19909932
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9954966
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4462.0546836631
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998995476
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19909931 can be divided by 2 positive divisors.
The sum of these divisors (counting 19909931) is 19909932, the average is 9954966.
Base
System
Value
2
Binary
1001011111100110100101011
3
Ternary
1101110112021212
4
Quaternary
1023330310223
5
Quinary
20044104211
6
Senary
1550423335
8
Octal
113746453
10
Decimal
19909931
12
Duodecimal
6801b4b
16
Hexadecimal
12fcd2b
20
Vigesimal
648egb
36
Base36
buqln
md5
b281e16117c85e3955064f04626cedaf
sha1
27582d92726470fcb61ded1cd396e52ceae22c61
sha256
36216454ceeb2b049027e589b445fad5f4a6cba2548583c08d3442debf0f22b9
sha512
a864c09af4ffce3d117cd66d431cb64d59afd862d727004117fc1a2c8ae5606ef8d1eda52b407864a06d569b1a10a0a56c0796f48c27e0708aca097534aecbc1
ripemd-160
2d6b423584ad9cb73e169622d05be9af6b70af2d
Diameter
39819862
Circumference
125097785.92616
Area
1.2453441430213E+15
Volume
3.3059621278411E+22
Surface area
4.9813765720852E+15
Circumference
125097785.92616
Perimeter
79639724
Area
396405352424761
Diagonal
28156894.446113
Surface area
2378432114548566
Volume
7.8924032148077E+21
Space diagonal
34485012.067191
Perimeter
59729793
Area
1.7164855269798E+14
Altitude
17242506.033595
Surface area
1.7164855269798E+14
Volume
9.301286388415E+20
Height
9385631.4820375