19996787 is an odd 8-digits composite number following 19996786
and preceding 19996788 . In scientific notation, it is written as 1.9996787 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 19772016 positive integers (up to 19996787) that are relatively prime to 19996787.
19996787 has 4 divisors, whose sum is 20221560
The reverse of 19996787 is 78769991
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
nineteen million nine hundred ninety-six thousand seven hundred eighty-seven
Scientific notation
1.9996787 × 10^7
Engineering notation
1.9996787 × 10^6
Prime Factorization
89 × 224683
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19996787
Product of the distinct prime numbers
The prime factorization of 19996787 is 89 × 224683.
Since it has a total of 2 prime factors.
3 , 3 , 38 , 40 , 373 , 153 , 2377 , 3601 , 39603 , 63641 , 164153 , 949784 , 3886666 , 2971700 , 44241598 , 44443023 , 445843589 , 321195702 , 7153595843 , 4509372803
n×2
39993574
n×3
59990361
n×4
79987148
n×5
99983935
n÷2
9998393.5
n÷3
6665595.6666667
n÷3
4999196.75
n÷5
3999357.4
n2
399871490323369
n3
7.996145019369E+21
n4
1.5989720877343E+29
n5
3.1974304257369E+36
2 √n
4471.7767162505
3 √n
271.4272251747
4 √n
66.871344507573
5 √n
28.853070979605
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
-19996786
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 19996787 can be divided by 4 positive divisors.
The sum of these divisors (counting 19996787) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010010000001110011
3
Ternary
1101121221102202
4
Quaternary
1030102001303
5
Quinary
20104344122
6
Senary
1552333415
8
Octal
114220163
10
Decimal
19996787
12
Duodecimal
684426b
16
Hexadecimal
1312073
20
Vigesimal
64jbj7
36
Base36
bwlmb
md5
e260396c61a0de7222c0e4dfe6e81b33
sha1
54a8d6eb9177393b530d13f94f0622855ebcc305
sha256
41bca424d85b1a72db020e34cd7c16203244029d83c138ec8fe1908b3811d06d
sha512
c4dceb0edac8b3bbe363f38f99242c3e0f67cc75766ed7454cbfdad7517ff425701514d02dbc413eb2574a6b0d4c139fc3e7eeafc0ce703f9b5bb51d974c4098
ripemd-160
d15600dee30eb9acc59ab42b715ae7de04b2c950
Diameter
39993574
Circumference
125643518.2692
Area
1.2562333363799E+15
Volume
3.3494173933184E+22
Surface area
5.0249333455196E+15
Circumference
125643518.2692
Perimeter
79987148
Area
399871490323369
Diagonal
28279727.379286
Surface area
2399228941940214
Volume
7.996145019369E+21
Space diagonal
34635451.072133
Perimeter
59990361
Area
1.7314943443459E+14
Altitude
17317725.536066
Surface area
1.7314943443459E+14
Volume
9.4235472775781E+20
Height
9426575.7930953