20851040 is an even 8-digits composite number following 20851039
and preceding 20851041 . In scientific notation, it is written as 2.0851040 × 10^7.
The sum of its digits is 20. It has a total of 7 prime factors and 24 positive divisors.
There are 7148544 positive integers (up to 20851040) that are relatively prime to 20851040.
20851040 has 24 divisors, whose sum is 42225624
The reverse of 20851040 is 04015802
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million eight hundred fifty-one thousand forty
Scientific notation
2.0851040 × 10^7
Engineering notation
2.0851040 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 35 × 18617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
1303190
Product of the distinct prime numbers
The prime factorization of 20851040 is 2 × 2 × 2 × 2 × 2 × 35 × 18617.
Since it has a total of 7 prime factors.
4 , 4 , 11 , 7 , 193 , 605 , 8910 , 3727 , 74329 , 17258 , 92204 , 658936 , 7042262 , 1986667 , 87505818 , 71635113 , 416211632 , 736134868 , 7768405798 , 530139039
n×2
41702080
n×3
62553120
n×4
83404160
n×5
104255200
n÷2
10425520
n÷3
6950346.6666667
n÷3
5212760
n÷5
4170208
n2
434765869081600
n3
9.0653205268552E+21
n4
1.8902136091828E+29
n5
3.9412919573615E+36
2 √n
4566.2939020611
3 √n
275.23853683339
4 √n
67.57435831779
5 √n
29.095481203379
1 , 2 , 4 , 8 , 16 , 32 , 35 , 70 , 140 , 280 , 560 , 1120 , 18617 , 37234 , 74468 , 148936 , 297872 , 595744 , 651595 , 1303190 , 2606380 , 5212760 , 10425520 , 20851040
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20851039
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20851040 can be divided by 24 positive divisors.
The sum of these divisors (counting 20851040) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111100010100101100000
3
Ternary
1110020100020202
4
Quaternary
1033202211200
5
Quinary
20314213130
6
Senary
2022524332
8
Octal
117424540
10
Decimal
20851040
12
Duodecimal
6b966a8
16
Hexadecimal
13e2960
20
Vigesimal
6a67c0
36
Base36
cewrk
md5
b711a63095812d8359cba9b1f85537dc
sha1
90d6d6af7c52272f75019d0d1792ca742097a6b0
sha256
8da6225004c24c9b546f0004759131c57f0bece9cf27efef8691066fb9b2b09c
sha512
e2d94b4d882faf6605a35981e59f98b74e49f446a8abb1c68dab2bdf672194f75c0e038e64980082ff638a05187e1f26fdfe35b229c2e0ffc5f6fc1beb3aafa8
ripemd-160
85b98071d961eb97695ee15358bfb84b673f34f0
Diameter
41702080
Circumference
131010948.16741
Area
1.3658572603383E+15
Volume
3.797272582614E+22
Surface area
5.4634290413533E+15
Circumference
131010948.16741
Perimeter
83404160
Area
434765869081600
Diagonal
29487823.557584
Surface area
2608595214489600
Volume
9.0653205268552E+21
Space diagonal
36115060.670651
Perimeter
62553120
Area
1.8825914366154E+14
Altitude
18057530.335325
Surface area
1.8825914366154E+14
Volume
1.0683582696948E+21
Height
9829274.5191946