20724840 is an even 8-digits composite number following 20724839
and preceding 20724841 . In scientific notation, it is written as 2.0724840 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 32 positive divisors.
There are 5284224 positive integers (up to 20724840) that are relatively prime to 20724840.
20724840 has 32 divisors, whose sum is 41466240
The reverse of 20724840 is 04842702
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred twenty-four thousand eight hundred forty
Scientific notation
2.0724840 × 10^7
Engineering notation
2.0724840 × 10^6
Prime Factorization
2 × 2 × 2 × 45 × 23 × 2503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5181210
Product of the distinct prime numbers
The prime factorization of 20724840 is 2 × 2 × 2 × 45 × 23 × 2503.
Since it has a total of 6 prime factors.
1 , 1 , 36 , 59 , 288 , 719 , 4076 , 4658 , 35717 , 88299 , 180877 , 679644 , 2489926 , 3249447 , 42608565 , 39201759 , 383483400 , 777583949 , 7909197113 , 2898757548
n×2
41449680
n×3
62174520
n×4
82899360
n×5
103624200
n÷2
10362420
n÷3
6908280
n÷3
5181210
n÷5
4144968
n2
429518993025600
n3
8.9017124074167E+21
n4
1.8448656536973E+29
n5
3.8234545494371E+36
2 √n
4552.4542831312
3 √n
274.68212306062
4 √n
67.471877720508
5 √n
29.060175802491
1 , 2 , 4 , 8 , 23 , 45 , 46 , 90 , 92 , 180 , 184 , 360 , 1035 , 2070 , 2503 , 4140 , 5006 , 8280 , 10012 , 20024 , 57569 , 112635 , 115138 , 225270 , 230276 , 450540 , 460552 , 901080 , 2590605 , 5181210 , 10362420 , 20724840
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20724839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20724840 can be divided by 32 positive divisors.
The sum of these divisors (counting 20724840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111000011110001101000
3
Ternary
1102222221010200
4
Quaternary
1033003301220
5
Quinary
20301143330
6
Senary
2020112200
8
Octal
117036150
10
Decimal
20724840
12
Duodecimal
6b35660
16
Hexadecimal
13c3c68
20
Vigesimal
69ac20
36
Base36
cc7e0
md5
e9ca3b6bc988789d4461a97cfc0508f5
sha1
829d2302f93de9e16a83ead092ece1aaf3601930
sha256
b683691596a2004097d668e62bb3097fad4ddbf2d86bfd692ef448e3104666c2
sha512
984389d7f90eeb161b2202b366620b4303d311ba526bc99965432914353917556cd9a0a115772c8d590f96bdb83a09ff97acd9b853c5a66ef363aeac42375277
ripemd-160
478b26ad5eb557bd029d91e01500994d260a5430
Diameter
41449680
Circumference
130218010.18165
Area
1.3493737130665E+15
Volume
3.7287405738012E+22
Surface area
5.397494852266E+15
Circumference
130218010.18165
Perimeter
82899360
Area
429518993025600
Diagonal
29309349.806012
Surface area
2577113958153600
Volume
8.9017124074167E+21
Space diagonal
35896475.858736
Perimeter
62174520
Area
1.8598717968404E+14
Altitude
17948237.929368
Surface area
1.8598717968404E+14
Volume
1.0490768679095E+21
Height
9769783.2686708