19729947 is an odd 8-digits composite number following 19729946
and preceding 19729948 . In scientific notation, it is written as 1.9729947 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 12633600 positive integers (up to 19729947) that are relatively prime to 19729947.
19729947 has 16 divisors, whose sum is 27355680
The reverse of 19729947 is 74992791
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million seven hundred twenty-nine thousand nine hundred forty-seven
Scientific notation
1.9729947 × 10^7
Engineering notation
1.9729947 × 10^6
Prime Factorization
3 × 241 × 29 × 941
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19729947
Product of the distinct prime numbers
The prime factorization of 19729947 is 3 × 241 × 29 × 941.
Since it has a total of 4 prime factors.
1 , 1 , 9 , 22 , 639 , 164 , 9171 , 9365 , 7279 , 12047 , 656429 , 336548 , 2701873 , 5766283 , 34834852 , 55021069 , 610120980 , 506188370 , 4997582535 , 1125594746
n×2
39459894
n×3
59189841
n×4
78919788
n×5
98649735
n÷2
9864973.5
n÷3
6576649
n÷3
4932486.75
n÷5
3945989.4
n2
389270808622809
n3
7.6802924227752E+21
n4
1.5153176244586E+29
n5
2.9897136418733E+36
2 √n
4441.8404969112
3 √n
270.21449348009
4 √n
66.647134198787
5 √n
28.775652731969
1 , 3 , 29 , 87 , 241 , 723 , 941 , 2823 , 6989 , 20967 , 27289 , 81867 , 226781 , 680343 , 6576649 , 19729947
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19729946
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19729947 can be divided by 16 positive divisors.
The sum of these divisors (counting 19729947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011010000111000011011
3
Ternary
1101010101101210
4
Quaternary
1023100320123
5
Quinary
20022324242
6
Senary
1542514203
8
Octal
113207033
10
Decimal
19729947
12
Duodecimal
6735963
16
Hexadecimal
12d0e1b
20
Vigesimal
6364h7
36
Base36
bqvq3
md5
800daa5a41b5bb4932dce1c17aa786ce
sha1
994896857bd022710774222aeecb0117e798b416
sha256
e9793943f414dc10d83bcd213a8877750e2becb7eb174fbcd9e6fe628f0d0b79
sha512
e5a4d04efeee98b66e16a61ab8611cccc8e37287d8448c615f254ea14ae7521a0ffb245a0879b45c1f2dfd48cf122095a4d40f73bed9576cb71bba19e56db937
ripemd-160
b2d58b2b79378982111dfd5b96a3cac9411bb723
Diameter
39459894
Circumference
123966913.10183
Area
1.2229303126264E+15
Volume
3.2171133670416E+22
Surface area
4.8917212505055E+15
Circumference
123966913.10183
Perimeter
78919788
Area
389270808622809
Diagonal
27902358.632302
Surface area
2335624851736854
Volume
7.6802924227752E+21
Space diagonal
34173270.634641
Perimeter
59189841
Area
1.6855920460953E+14
Altitude
17086635.317321
Surface area
1.6855920460953E+14
Volume
9.0513114227333E+20
Height
9300786.2107675