19909947 is an odd 8-digits composite number following 19909946
and preceding 19909948 . In scientific notation, it is written as 1.9909947 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 13001472 positive integers (up to 19909947) that are relatively prime to 19909947.
19909947 has 16 divisors, whose sum is 27095840
The reverse of 19909947 is 74990991
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
nineteen million nine hundred nine thousand nine hundred forty-seven
Scientific notation
1.9909947 × 10^7
Engineering notation
1.9909947 × 10^6
Prime Factorization
3 × 73 × 229 × 397
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19909947
Product of the distinct prime numbers
The prime factorization of 19909947 is 3 × 73 × 229 × 397.
Since it has a total of 4 prime factors.
9 , 5 , 51 , 58 , 973 , 690 , 632 , 4276 , 49645 , 64697 , 74656 , 61185 , 2736091 , 8478864 , 47393183 , 58723122 , 590522903 , 10399167 , 5754128709 , 5290845516
n×2
39819894
n×3
59729841
n×4
79639788
n×5
99549735
n÷2
9954973.5
n÷3
6636649
n÷3
4977486.75
n÷5
3981989.4
n2
396405989542809
n3
7.8924222422799E+21
n4
1.5713770854541E+29
n5
3.1286034488406E+36
2 √n
4462.0563645028
3 √n
271.03374624578
4 √n
66.798625468664
5 √n
28.827967301842
1 , 3 , 73 , 219 , 229 , 397 , 687 , 1191 , 16717 , 28981 , 50151 , 86943 , 90913 , 272739 , 6636649 , 19909947
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
-19909946
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 19909947 can be divided by 16 positive divisors.
The sum of these divisors (counting 19909947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111100110100111011
3
Ternary
1101110112022110
4
Quaternary
1023330310323
5
Quinary
20044104242
6
Senary
1550423403
8
Octal
113746473
10
Decimal
19909947
12
Duodecimal
6801b63
16
Hexadecimal
12fcd3b
20
Vigesimal
648eh7
36
Base36
buqm3
md5
c9295a3fdc3b54b8ecfcd0ff7f286940
sha1
b7567a93c7cdc01b70cefb2b733a1cc7d80e1349
sha256
15b4e5ea4ce565acfebe93e8a6cbf900577fd17ab8d98513ed595154e8d070cc
sha512
c135218537222c9dbba3f8616aad8e546e8799358264ffd695ca6c66895258805eb41b2624a00932ad2600cd657bdbea691da5b5c1964a40429e4fcf68bb4eb9
ripemd-160
c3ccacf4660b168bd5953557d2740c9328d89250
Diameter
39819894
Circumference
125097886.45712
Area
1.2453461445867E+15
Volume
3.30597009805E+22
Surface area
4.9813845783467E+15
Circumference
125097886.45712
Perimeter
79639788
Area
396405989542809
Diagonal
28156917.07353
Surface area
2378435937256854
Volume
7.8924222422799E+21
Space diagonal
34485039.780004
Perimeter
59729841
Area
1.7164882857819E+14
Altitude
17242519.890002
Surface area
1.7164882857819E+14
Volume
9.3013088125061E+20
Height
9385639.0245098