20643553 is an odd 8-digits composite number following 20643552
and preceding 20643554 . In scientific notation, it is written as 2.0643553 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 17358432 positive integers (up to 20643553) that are relatively prime to 20643553.
20643553 has 12 divisors, whose sum is 24470100
The reverse of 20643553 is 35534602
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million six hundred forty-three thousand five hundred fifty-three
Scientific notation
2.0643553 × 10^7
Engineering notation
2.0643553 × 10^6
Prime Factorization
7 × 7 × 53 × 7949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2949079
Product of the distinct prime numbers
The prime factorization of 20643553 is 7 × 7 × 53 × 7949.
Since it has a total of 4 prime factors.
6 , 6 , 48 , 72 , 828 , 971 , 2147 , 1765 , 56531 , 4005 , 246657 , 781016 , 2041522 , 4145632 , 53295878 , 56609302 , 913793754 , 270881728 , 7313349202 , 1049752372
n×2
41287106
n×3
61930659
n×4
82574212
n×5
103217765
n÷2
10321776.5
n÷3
6881184.3333333
n÷3
5160888.25
n÷5
4128710.6
n2
426156280463809
n3
8.7973797620375E+21
n4
1.8160917537875E+29
n5
3.7490586372175E+36
2 √n
4543.5176900723
3 √n
274.32253297027
4 √n
67.405620611877
5 √n
29.037343980499
1 , 7 , 49 , 53 , 371 , 2597 , 7949 , 55643 , 389501 , 421297 , 2949079 , 20643553
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20643552
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20643553 can be divided by 12 positive divisors.
The sum of these divisors (counting 20643553) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110101111111011100001
3
Ternary
1102211210122001
4
Quaternary
1032233323201
5
Quinary
20241043203
6
Senary
2014244001
8
Octal
116577341
10
Decimal
20643553
12
Duodecimal
6ab6601
16
Hexadecimal
13afee1
20
Vigesimal
6908hd
36
Base36
cago1
md5
e15aa127172bcc2ca2e630c95f062413
sha1
6d5d639a5b2549a6aaf9421176ce7c110bc0cd8c
sha256
0e61ac7112a75e956c5b11ceb74c24a024d88cee9345fdaf7f944be13f5bc415
sha512
03e4be5e23070b3fe8ae044e7732694982eb95b3b2b2f68dd65638d6373ee5dc1eeaecde9499270e7c79a800569d9b2766ee9d1c18e91c6f8d77e8edf82d19d3
ripemd-160
625c024b973e593e0bcb513b6218b23e1cd95d2d
Diameter
41287106
Circumference
129707268.89758
Area
1.3388094399863E+15
Volume
3.6850378175009E+22
Surface area
5.355237759945E+15
Circumference
129707268.89758
Perimeter
82574212
Area
426156280463809
Diagonal
29194392.628168
Surface area
2556937682782854
Volume
8.7973797620375E+21
Space diagonal
35755682.644741
Perimeter
61930659
Area
1.8453108243197E+14
Altitude
17877841.32237
Surface area
1.8453108243197E+14
Volume
1.036781147735E+21
Height
9731464.2093893