20085621 is an odd 8-digits composite number following 20085620
and preceding 20085622 . In scientific notation, it is written as 2.0085621 × 10^7.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 13390412 positive integers (up to 20085621) that are relatively prime to 20085621.
20085621 has 4 divisors, whose sum is 26780832
The reverse of 20085621 is 12658002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million eighty-five thousand six hundred twenty-one
Scientific notation
2.0085621 × 10^7
Engineering notation
2.0085621 × 10^6
Prime Factorization
3 × 6695207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20085621
Product of the distinct prime numbers
The prime factorization of 20085621 is 3 × 6695207.
Since it has a total of 2 prime factors.
3 , 1 , 92 , 19 , 730 , 543 , 342 , 1121 , 96179 , 40254 , 600431 , 737609 , 7044337 , 4750813 , 82602908 , 59800830 , 21628727 , 542934351 , 865847251 , 3604212477
n×2
40171242
n×3
60256863
n×4
80342484
n×5
100428105
n÷2
10042810.5
n÷3
6695207
n÷3
5021405.25
n÷5
4017124.2
n2
403432170955641
n3
8.1031856850222E+21
n4
1.6275751656198E+29
n5
3.2690857925652E+36
2 √n
4481.6984503645
3 √n
271.82856213068
4 √n
66.945488648336
5 √n
28.878661002739
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20085620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20085621 can be divided by 4 positive divisors.
The sum of these divisors (counting 20085621) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100100111101101110101
3
Ternary
1101210110021220
4
Quaternary
1030213231311
5
Quinary
20120214441
6
Senary
1554300553
8
Octal
114475565
10
Decimal
20085621
12
Duodecimal
6887759
16
Hexadecimal
1327b75
20
Vigesimal
65ae11
36
Base36
byi5x
md5
16d192e7e6e8e2d8d7070e75f3b2b22b
sha1
60d445a857aa765cc4a8878b0b0c013b4fc003f7
sha256
b1a942b160185d387c6262473f267f23dcdf52c3759263cbd417c40288cf4296
sha512
6b2d5940b3d61d4d11f1567c79bacaf03eec399872963baf00294b65ade6e3940a7c4b0c9c92a4bde7748a84aa4d52c8c598be4006a25748f7b8fb18e292f066
ripemd-160
29545f696e6a36eb26dbcd882be9f0b97c356353
Diameter
40171242
Circumference
126201678.75278
Area
1.267419544496E+15
Volume
3.3942544824986E+22
Surface area
5.0696781779841E+15
Circumference
126201678.75278
Perimeter
80342484
Area
403432170955641
Diagonal
28405357.626886
Surface area
2420593025733846
Volume
8.1031856850222E+21
Space diagonal
34789316.073572
Perimeter
60256863
Area
1.7469125437575E+14
Altitude
17394658.036786
Surface area
1.7469125437575E+14
Volume
9.5496959118216E+20
Height
9468452.5422953