19909913 is an odd 8-digits prime number following 19909912
and preceding 19909914 . In scientific notation, it is written as 1.9909913 × 10^7.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 19909912 positive integers (up to 19909913) that are relatively prime to 19909913.
19909913 has 2 divisors, whose sum is 19909914
The reverse of 19909913 is 31990991
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 thirteen
Scientific notation
1.9909913 × 10^7
Engineering notation
1.9909913 × 10^6
Prime Factorization
19909913
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19909913
Product of the distinct prime numbers
The prime factorization of 19909913 is 19909913.
Since it has a total of 1 prime factors.
7 , 9 , 82 , 41 , 615 , 563 , 264 , 5654 , 1267 , 55092 , 801452 , 333539 , 7207793 , 5606003 , 93100530 , 4074701 , 414969114 , 56075708 , 1185804325 , 3569398313
n×2
39819826
n×3
59729739
n×4
79639652
n×5
99549565
n÷2
9954956.5
n÷3
6636637.6666667
n÷3
4977478.25
n÷5
3981982.6
n2
396404635667569
n3
7.892381808938E+21
n4
1.5713663517874E+29
n5
3.1285767355214E+36
2 √n
4462.0525545986
3 √n
271.03359196524
4 √n
66.798596950824
5 √n
28.827957455994
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19909914
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9954957
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4462.0526666547
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998995475
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19909913 can be divided by 2 positive divisors.
The sum of these divisors (counting 19909913) is 19909914, the average is 9954957.
Base
System
Value
2
Binary
1001011111100110100011001
3
Ternary
1101110112021012
4
Quaternary
1023330310121
5
Quinary
20044104123
6
Senary
1550423305
8
Octal
113746431
10
Decimal
19909913
12
Duodecimal
6801b35
16
Hexadecimal
12fcd19
20
Vigesimal
648efd
36
Base36
buql5
md5
5ee4547b7112ce145b1935fdceec3586
sha1
0ebc1cb406614e673def90e82f94cbd7eaa916d1
sha256
fa1459df4676e1a6139cee8fe56e68cc7a531f6deb2353874b920beef68c84f4
sha512
463bdaa8eb6902740e3d458a4ab89e20bd72d5fd8611b0f3326d231fa2954ca3220b5ea607795309faf47a5744623c7508e768e205335c77ffdb68b2c7096a60
ripemd-160
b83485e8b07f977a1a67c65548d438f040a03b81
Diameter
39819826
Circumference
125097672.82882
Area
1.2453418912622E+15
Volume
3.3059531613714E+22
Surface area
4.9813675650487E+15
Circumference
125097672.82882
Perimeter
79639652
Area
396404635667569
Diagonal
28156868.990268
Surface area
2378427814005414
Volume
7.892381808938E+21
Space diagonal
34484980.890276
Perimeter
59729739
Area
1.7164824233301E+14
Altitude
17242490.445138
Surface area
1.7164824233301E+14
Volume
9.3012611613557E+20
Height
9385622.9967561