20389972 is an even 8-digits composite number following 20389971
and preceding 20389973 . In scientific notation, it is written as 2.0389972 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 10175256 positive integers (up to 20389972) that are relatively prime to 20389972.
20389972 has 12 divisors, whose sum is 35751520
The reverse of 20389972 is 27998302
Previous prime number is 547
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million three hundred eighty-nine thousand nine hundred seventy-two
Scientific notation
2.0389972 × 10^7
Engineering notation
2.0389972 × 10^6
Prime Factorization
2 × 2 × 547 × 9319
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10194986
Product of the distinct prime numbers
The prime factorization of 20389972 is 2 × 2 × 547 × 9319.
Since it has a total of 4 prime factors.
2 , 9 , 81 , 87 , 803 , 379 , 30 , 3756 , 80171 , 6032 , 47607 , 141444 , 7016386 , 8617833 , 50979958 , 93552529 , 732625114 , 19720576 , 7420785796 , 4273010046
n×2
40779944
n×3
61169916
n×4
81559888
n×5
101949860
n÷2
10194986
n÷3
6796657.3333333
n÷3
5097493
n÷5
4077994.4
n2
415750958160784
n3
8.4771503958716E+21
n4
1.7284885921161E+29
n5
3.5243833995567E+36
2 √n
4515.5256615371
3 √n
273.19466229218
4 √n
67.197661131449
5 √n
28.965653148329
1 , 2 , 4 , 547 , 1094 , 2188 , 9319 , 18638 , 37276 , 5097493 , 10194986 , 20389972
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
-20389971
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 20389972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20389972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110010000001010100
3
Ternary
1102100220210011
4
Quaternary
1031302001110
5
Quinary
20204434342
6
Senary
2005010004
8
Octal
115620124
10
Decimal
20389972
12
Duodecimal
69b3904
16
Hexadecimal
1372054
20
Vigesimal
678eic
36
Base36
c5104
md5
9c0be309bbdb4aaaac15b2e53ccd0e5d
sha1
6de42e61b9fad28bb6df7eba9aad4c6805f9ab3a
sha256
68733ce236646b0d51b301f99df8f1080111bb9a668565051fd3cfa8b8903a18
sha512
d34241aa9663f5e68b794dc3b2b4e575d844eb98725499367e823619f0daf12bad66904c1a9a615c4077fa52447e264b8bffb59343db65288ad6097765679be8
ripemd-160
5ec21d8aaf43dcf9aecc6eab499b93e681e92887
Diameter
40779944
Circumference
128113972.4842
Area
1.3061201558808E+15
Volume
3.5509004542728E+22
Surface area
5.2244806235233E+15
Circumference
128113972.4842
Perimeter
81559888
Area
415750958160784
Diagonal
28835774.938808
Surface area
2494505748964704
Volume
8.4771503958716E+21
Space diagonal
35316467.468907
Perimeter
61169916
Area
1.8002544570748E+14
Altitude
17658233.734453
Surface area
1.8002544570748E+14
Volume
9.9904175500983E+20
Height
9611924.9796026