20991632 is an even 8-digits composite number following 20991631
and preceding 20991633 . In scientific notation, it is written as 2.0991632 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors.
There are 10452000 positive integers (up to 20991632) that are relatively prime to 20991632.
20991632 has 20 divisors, whose sum is 40841136
The reverse of 20991632 is 23619902
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred ninety-one thousand six hundred thirty-two
Scientific notation
2.0991632 × 10^7
Engineering notation
2.0991632 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 251 × 5227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2623954
Product of the distinct prime numbers
The prime factorization of 20991632 is 2 × 2 × 2 × 2 × 251 × 5227.
Since it has a total of 6 prime factors.
9 , 9 , 21 , 61 , 504 , 554 , 1839 , 8326 , 83338 , 2517 , 344272 , 93148 , 1553124 , 9240878 , 44317388 , 35192007 , 157274018 , 101252845 , 3089742474 , 5353844193
n×2
41983264
n×3
62974896
n×4
83966528
n×5
104958160
n÷2
10495816
n÷3
6997210.6666667
n÷3
5247908
n÷5
4198326.4
n2
440648614023424
n3
9.2499335468898E+21
n4
1.9417120104076E+29
n5
4.0759703972457E+36
2 √n
4581.6625803304
3 √n
275.85576724972
4 √n
67.687979585229
5 √n
29.134612140618
1 , 2 , 4 , 8 , 16 , 251 , 502 , 1004 , 2008 , 4016 , 5227 , 10454 , 20908 , 41816 , 83632 , 1311977 , 2623954 , 5247908 , 10495816 , 20991632
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20991631
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20991632 can be divided by 20 positive divisors.
The sum of these divisors (counting 20991632) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000000100111010010000
3
Ternary
1110111111002212
4
Quaternary
1100010322100
5
Quinary
20333213012
6
Senary
2025531252
8
Octal
120047220
10
Decimal
20991632
12
Duodecimal
7043b28
16
Hexadecimal
1404e90
20
Vigesimal
6b3j1c
36
Base36
chx8w
md5
a79f664982173cdae8e04000ae9fecad
sha1
7eec007c39272a6cce8ea1c9846487d84f8dd3bc
sha256
a51cc09b45c463cbee7ce30e47cc4a0c92555ba993f1ff233e79db4e7fce10f9
sha512
e1b56800549f6e382df402cc3ac3247fffce9e286ec2110a73f534cfa640309a7bcfd18ea71349954257fd8b23741e56ff79368b5177dc785c187ccddb05e888
ripemd-160
9b269ec17585bcf53c4ffed966d0e0be03ee8398
Diameter
41983264
Circumference
131894313.75612
Area
1.3843384486305E+15
Volume
3.8746031036137E+22
Surface area
5.5373537945221E+15
Circumference
131894313.75612
Perimeter
83966528
Area
440648614023424
Diagonal
29686650.670745
Surface area
2643891684140544
Volume
9.2499335468898E+21
Space diagonal
36358573.157789
Perimeter
62974896
Area
1.9080644694334E+14
Altitude
18179286.578894
Surface area
1.9080644694334E+14
Volume
1.0901151227551E+21
Height
9895550.2235817