20991633 is an odd 8-digits composite number following 20991632
and preceding 20991634 . In scientific notation, it is written as 2.0991633 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 12917904 positive integers (up to 20991633) that are relatively prime to 20991633.
20991633 has 8 divisors, whose sum is 30141888
The reverse of 20991633 is 33619902
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million nine hundred ninety-one thousand six hundred thirty-three
Scientific notation
2.0991633 × 10^7
Engineering notation
2.0991633 × 10^6
Prime Factorization
3 × 13 × 538247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20991633
Product of the distinct prime numbers
The prime factorization of 20991633 is 3 × 13 × 538247.
Since it has a total of 3 prime factors.
2 , 3 , 99 , 27 , 940 , 669 , 460 , 4416 , 90316 , 54855 , 566796 , 473634 , 5847979 , 6150012 , 75052631 , 12387688 , 602735877 , 886595739 , 8864023974 , 7836026099
n×2
41983266
n×3
62974899
n×4
83966532
n×5
104958165
n÷2
10495816.5
n÷3
6997211
n÷3
5247908.25
n÷5
4198326.6
n2
440648656006689
n3
9.2499348688357E+21
n4
1.941712380405E+29
n5
4.0759713681018E+36
2 √n
4581.6626894611
3 √n
275.85577163013
4 √n
67.68798039136
5 √n
29.134612418201
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20991632
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20991633 can be divided by 8 positive divisors.
The sum of these divisors (counting 20991633) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000100111010010001
3
Ternary
1110111111002220
4
Quaternary
1100010322101
5
Quinary
20333213013
6
Senary
2025531253
8
Octal
120047221
10
Decimal
20991633
12
Duodecimal
7043b29
16
Hexadecimal
1404e91
20
Vigesimal
6b3j1d
36
Base36
chx8x
md5
9fe1ef862943afa8abb379803a832bbc
sha1
952f3a56b1acfa891bcda7304320d5fd334d9fa3
sha256
dcb927717ca322e723e8cd943124ac07ca5ec361c6aa1bc18c41e87145029e76
sha512
96ab68c2584157b0831fd4e57bfbd3c233bd12c6b7fefa01844e8582269b97f5c5bdef7a410f2d1452502b46766f95317c5998e387d8ce75b2af7f20db3a60f8
ripemd-160
44e2533ff0ae07c6d6269f475e6a300ab97d38a5
Diameter
41983266
Circumference
131894320.03931
Area
1.3843385805248E+15
Volume
3.8746036573491E+22
Surface area
5.5373543220993E+15
Circumference
131894320.03931
Perimeter
83966532
Area
440648656006689
Diagonal
29686652.084959
Surface area
2643891936040134
Volume
9.2499348688357E+21
Space diagonal
36358574.889839
Perimeter
62974899
Area
1.9080646512263E+14
Altitude
18179287.44492
Surface area
1.9080646512263E+14
Volume
1.0901152785479E+21
Height
9895550.6949862