19809972 is an even 8-digits composite number following 19809971
and preceding 19809973 . In scientific notation, it is written as 1.9809972 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 5223744 positive integers (up to 19809972) that are relatively prime to 19809972.
19809972 has 24 divisors, whose sum is 37933056
The reverse of 19809972 is 27990891
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million eight hundred nine thousand nine hundred seventy-two
Scientific notation
1.9809972 × 10^7
Engineering notation
1.9809972 × 10^6
Prime Factorization
2 × 2 × 63 × 13 × 6047
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9904986
Product of the distinct prime numbers
The prime factorization of 19809972 is 2 × 2 × 63 × 13 × 6047.
Since it has a total of 5 prime factors.
10 , 3 , 47 , 28 , 149 , 169 , 3866 , 7334 , 6247 , 94574 , 348306 , 929615 , 5241521 , 74652 , 47812632 , 87057852 , 867203903 , 254938696 , 2902316643 , 7370118453
n×2
39619944
n×3
59429916
n×4
79239888
n×5
99049860
n÷2
9904986
n÷3
6603324
n÷3
4952493
n÷5
3961994.4
n2
392434990640784
n3
7.7741261764142E+21
n4
1.5400522187923E+29
n5
3.0508391332814E+36
2 √n
4450.8394713807
3 √n
270.57933218418
4 √n
66.714612127934
5 √n
28.798957859387
1 , 2 , 4 , 13 , 26 , 52 , 63 , 126 , 252 , 819 , 1638 , 3276 , 6047 , 12094 , 24188 , 78611 , 157222 , 314444 , 380961 , 761922 , 1523844 , 4952493 , 9904986 , 19809972
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19809971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19809972 can be divided by 24 positive divisors.
The sum of these divisors (counting 19809972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001011100100011010110100
3
Ternary
1101021110011200
4
Quaternary
1023210122310
5
Quinary
20032404342
6
Senary
1544332500
8
Octal
113443264
10
Decimal
19809972
12
Duodecimal
6774130
16
Hexadecimal
12e46b4
20
Vigesimal
63g4ic
36
Base36
bslh0
md5
e782af653b5653eaf528593150c7f034
sha1
588ad9f39c5a5d2de5d6b0bbd52f65b710041120
sha256
30dbb10226a647f3c27a75655e7b811a0e04100d5573822c4a21de4a8a3aad38
sha512
ea8a017156eae373be215ed9d353c986ac66a13645f0fe699dbd9b1970378f03baed6e354c1b3803a76511753e27f8469d14f374719c2de90cd4d2cfedcfc927
ripemd-160
e000854d4f0c99f3fc36996c8d386b6d12c4365b
Diameter
39619944
Circumference
124469725.00604
Area
1.2328708836087E+15
Volume
3.2564183578537E+22
Surface area
4.9314835344347E+15
Circumference
124469725.00604
Perimeter
79239888
Area
392434990640784
Diagonal
28015531.072631
Surface area
2354609943844704
Volume
7.7741261764142E+21
Space diagonal
34311878.000517
Perimeter
59429916
Area
1.6992933561441E+14
Altitude
17155939.000258
Surface area
1.6992933561441E+14
Volume
9.1618955619039E+20
Height
9338510.3575438