19909995 is an odd 8-digits composite number following 19909994
and preceding 19909996 . In scientific notation, it is written as 1.9909995 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 9101664 positive integers (up to 19909995) that are relatively prime to 19909995.
19909995 has 8 divisors, whose sum is 25029840
The reverse of 19909995 is 59990991
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
nineteen million nine hundred nine thousand nine hundred ninety-five
Scientific notation
1.9909995 × 10^7
Engineering notation
1.9909995 × 10^6
Prime Factorization
5 × 21 × 189619
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19909995
Product of the distinct prime numbers
The prime factorization of 19909995 is 5 × 21 × 189619.
Since it has a total of 3 prime factors.
4 , 1 , 83 , 54 , 671 , 897 , 9675 , 7552 , 83385 , 50771 , 128693 , 680718 , 2997396 , 1574965 , 80527187 , 33039153 , 469360244 , 805905373 , 3062420275 , 6917673766
n×2
39819990
n×3
59729985
n×4
79639980
n×5
99549975
n÷2
9954997.5
n÷3
6636665
n÷3
4977498.75
n÷5
3981999
n2
396407900900025
n3
7.89247932488E+21
n4
1.5713922389596E+29
n5
3.1286411620725E+36
2 √n
4462.0617431855
3 √n
271.03396405332
4 √n
66.798665729081
5 √n
28.82798120184
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
-19909994
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 19909995 can be divided by 8 positive divisors.
The sum of these divisors (counting 19909995) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001011111100110101101011
3
Ternary
1101110112101020
4
Quaternary
1023330311223
5
Quinary
20044104440
6
Senary
1550423523
8
Octal
113746553
10
Decimal
19909995
12
Duodecimal
6801ba3
16
Hexadecimal
12fcd6b
20
Vigesimal
648ejf
36
Base36
buqnf
md5
2bf9b2ec889b2ec2a35980b4e0c2b1f1
sha1
66fe52266a617bcf0639f02732fd180af0d337c7
sha256
1661e14c8cc5129637865d94f15dd6eba2fccd7c14987ec5693b80003f0096ff
sha512
b62b68bbaa1d907a08efd821b8d79099b1fa9fefa9c237c78e7f3cb71d0c50cd23832a1e4ed2b107344674058959a4e59d20503afe5c06057040bc1f57319d82
ripemd-160
6ab62c7ab915e087df7f20e701f61bfb8592a7c9
Diameter
39819990
Circumference
125098188.05002
Area
1.2453521492925E+15
Volume
3.3059940087536E+22
Surface area
4.9814085971699E+15
Circumference
125098188.05002
Perimeter
79639980
Area
396407900900025
Diagonal
28156984.955781
Surface area
2378447405400150
Volume
7.89247932488E+21
Space diagonal
34485122.918442
Perimeter
59729985
Area
1.7164965622014E+14
Altitude
17242561.459221
Surface area
1.7164965622014E+14
Volume
9.3013760849954E+20
Height
9385661.6519268