20993847 is an odd 8-digits composite number following 20993846
and preceding 20993848 . In scientific notation, it is written as 2.0993847 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 11509344 positive integers (up to 20993847) that are relatively prime to 20993847.
20993847 has 16 divisors, whose sum is 22906752
The reverse of 20993847 is 74839902
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred ninety-three thousand eight hundred forty-seven
Scientific notation
2.0993847 × 10^7
Engineering notation
2.0993847 × 10^6
Prime Factorization
21 × 43 × 67 × 347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20993847
Product of the distinct prime numbers
The prime factorization of 20993847 is 21 × 43 × 67 × 347.
Since it has a total of 4 prime factors.
4 , 7 , 100 , 33 , 777 , 367 , 5011 , 1657 , 61437 , 29942 , 309219 , 857307 , 8226742 , 5815000 , 47676481 , 9834158 , 347411727 , 481163812 , 3393846800 , 5126015013
n×2
41987694
n×3
62981541
n×4
83975388
n×5
104969235
n÷2
10496923.5
n÷3
6997949
n÷3
5248461.75
n÷5
4198769.4
n2
440741611859409
n3
9.2528619659098E+21
n4
1.9425316842443E+29
n5
4.0781212971677E+36
2 √n
4581.9042984331
3 √n
275.86546951322
4 √n
67.689765093647
5 √n
29.13522696125
1 , 21 , 43 , 67 , 347 , 903 , 1407 , 2881 , 7287 , 14921 , 23249 , 60501 , 313341 , 488229 , 999707 , 20993847
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
-20993846
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 20993847 can be divided by 16 positive divisors.
The sum of these divisors (counting 20993847) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000101011100110111
3
Ternary
1110111121010220
4
Quaternary
1100011130313
5
Quinary
20333300342
6
Senary
2025545423
8
Octal
120053467
10
Decimal
20993847
12
Duodecimal
7045273
16
Hexadecimal
1405737
20
Vigesimal
6b44c7
36
Base36
chyyf
md5
c7d1f21a04f0802dfa5ef3316f5e0e21
sha1
d97063292a87460d85b7e60f8d5fe92f4e2a398a
sha256
8bed9e666d08b97bc67839f73d50f98959d1caba3e3b7878462e5f02a65417bb
sha512
0a236a6a705b715a47ebe784321a519442f8e4f8c3c39d8e9f0b5d51b990c2ebed89309c76be60e33788354599033cb0d9fbeef9d97e033f235f03dd37d1d7b1
ripemd-160
4fddae8e0303452e45ac228cef7b04d550feca3a
Diameter
41987694
Circumference
131908231.01158
Area
1.3846306099488E+15
Volume
3.8758297569044E+22
Surface area
5.5385224397954E+15
Circumference
131908231.01158
Perimeter
83975388
Area
440741611859409
Diagonal
29689783.153786
Surface area
2644449671156454
Volume
9.2528619659098E+21
Space diagonal
36362409.650327
Perimeter
62981541
Area
1.9084671618757E+14
Altitude
18181204.825164
Surface area
1.9084671618757E+14
Volume
1.0904602402463E+21
Height
9896594.3845952