20018972 is an even 8-digits composite number following 20018971
and preceding 20018973 . In scientific notation, it is written as 2.0018972 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 9998976 positive integers (up to 20018972) that are relatively prime to 20018972.
20018972 has 12 divisors, whose sum is 35070000
The reverse of 20018972 is 27981002
Previous prime number is 1249
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million eighteen thousand nine hundred seventy-two
Scientific notation
2.0018972 × 10^7
Engineering notation
2.0018972 × 10^6
Prime Factorization
2 × 2 × 1249 × 4007
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10009486
Product of the distinct prime numbers
The prime factorization of 20018972 is 2 × 2 × 1249 × 4007.
Since it has a total of 4 prime factors.
5 , 7 , 94 , 28 , 69 , 646 , 9672 , 3547 , 65269 , 25916 , 612136 , 549525 , 1589121 , 365954 , 24536622 , 11296625 , 630844905 , 903469889 , 9754190546 , 1972883989
n×2
40037944
n×3
60056916
n×4
80075888
n×5
100094860
n÷2
10009486
n÷3
6672990.6666667
n÷3
5004743
n÷5
4003794.4
n2
400759239936784
n3
8.0227880030358E+21
n4
1.6060796839471E+29
n5
3.2152064222706E+36
2 √n
4474.2565862945
3 √n
271.52756441941
4 √n
66.889884035589
5 √n
28.859470222726
1 , 2 , 4 , 1249 , 2498 , 4007 , 4996 , 8014 , 16028 , 5004743 , 10009486 , 20018972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20018971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20018972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20018972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010111011100011100
3
Ternary
1101200001212102
4
Quaternary
1030113130130
5
Quinary
20111101342
6
Senary
1553024232
8
Octal
114273434
10
Decimal
20018972
12
Duodecimal
6855078
16
Hexadecimal
131771c
20
Vigesimal
65278c
36
Base36
bx2qk
md5
48a195555c0ae7b9b1c62ef20d9c58ae
sha1
f6b5f41d1781f277c8aa02b070df5f04102fe844
sha256
fd2fc34c4ff575c53c9969c5a7172fb93554b4f8791021e6545ae0e8f922704d
sha512
60f5c6cb519377a7116a7b47826e9b88834c4e9c042463bbeb7ec608b57e0ae29277a394151aa657dc800f47189d638d365fb93fcb45212ffe5e44077b2b1f9e
ripemd-160
776b352b7c20fed38d2fda58efebcd911d281d4c
Diameter
40037944
Circumference
125782910.73524
Area
1.2590222840436E+15
Volume
3.3605775802194E+22
Surface area
5.0360891361745E+15
Circumference
125782910.73524
Perimeter
80075888
Area
400759239936784
Diagonal
28311101.707167
Surface area
2404555439620704
Volume
8.0227880030358E+21
Space diagonal
34673876.619299
Perimeter
60056916
Area
1.735338412933E+14
Altitude
17336938.309649
Surface area
1.735338412933E+14
Volume
9.4549463349478E+20
Height
9437033.9023891