20209907 is an odd 8-digits composite number following 20209906
and preceding 20209908 . In scientific notation, it is written as 2.0209907 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 19828536 positive integers (up to 20209907) that are relatively prime to 20209907.
20209907 has 4 divisors, whose sum is 20591280
The reverse of 20209907 is 70990202
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million two hundred nine thousand nine hundred seven
Scientific notation
2.0209907 × 10^7
Engineering notation
2.0209907 × 10^6
Prime Factorization
53 × 381319
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20209907
Product of the distinct prime numbers
The prime factorization of 20209907 is 53 × 381319.
Since it has a total of 2 prime factors.
3 , 2 , 86 , 79 , 11 , 154 , 4458 , 9355 , 50733 , 26107 , 644860 , 866878 , 8878729 , 5648234 , 95277262 , 40189016 , 230963346 , 836469576 , 8093700676 , 5738899874
n×2
40419814
n×3
60629721
n×4
80839628
n×5
101049535
n÷2
10104953.5
n÷3
6736635.6666667
n÷3
5052476.75
n÷5
4041981.4
n2
408440340948649
n3
8.2545413056205E+21
n4
1.6682351211425E+29
n5
3.3714876652423E+36
2 √n
4495.5430150317
3 √n
272.38808410999
4 √n
67.048810690658
5 √n
28.91431200257
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
-20209906
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 20209907 can be divided by 4 positive divisors.
The sum of these divisors (counting 20209907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000110000011110011
3
Ternary
1102000202210002
4
Quaternary
1031012003303
5
Quinary
20133204112
6
Senary
2001100215
8
Octal
115060363
10
Decimal
20209907
12
Duodecimal
692766b
16
Hexadecimal
13460f3
20
Vigesimal
6664f7
36
Base36
c162b
md5
8a821a37bce53a23a22d0fd1820f26b0
sha1
b4196dba15e18a6637581c969b847af02657da0f
sha256
2ae31763a66d9bf7ab7b5c1e96786d3445f25dce2ac1cbba3b12fec90f9d0438
sha512
d44868f88dabeae8c5ec221ac793cf9e696eb80decc2f6036af982a63974de835961dbbaeca5f5e04c7863865533f163fe15cb3760642231234546eaa1f1d4f5
ripemd-160
f7f9102b78a70b4b6fda5ad95e5f96031acc9791
Diameter
40419814
Circumference
126982590.72187
Area
1.283153174554E+15
Volume
3.4576541765988E+22
Surface area
5.1326126982159E+15
Circumference
126982590.72187
Perimeter
80839628
Area
408440340948649
Diagonal
28581124.573699
Surface area
2450642045691894
Volume
8.2545413056205E+21
Space diagonal
35004585.740242
Perimeter
60629721
Area
1.7685985559595E+14
Altitude
17502292.870121
Surface area
1.7685985559595E+14
Volume
9.7280702213145E+20
Height
9527041.5245663