20210907 is an odd 8-digits composite number following 20210906
and preceding 20210908 . In scientific notation, it is written as 2.0210907 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13367592 positive integers (up to 20210907) that are relatively prime to 20210907.
20210907 has 8 divisors, whose sum is 27160576
The reverse of 20210907 is 70901202
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred ten thousand nine hundred seven
Scientific notation
2.0210907 × 10^7
Engineering notation
2.0210907 × 10^6
Prime Factorization
3 × 127 × 53047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20210907
Product of the distinct prime numbers
The prime factorization of 20210907 is 3 × 127 × 53047.
Since it has a total of 3 prime factors.
7 , 5 , 9 , 97 , 533 , 227 , 9606 , 8396 , 60899 , 9447 , 995136 , 839659 , 8058670 , 9695225 , 10358224 , 7420803 , 162671262 , 32857609 , 1542004603 , 9269662630
n×2
40421814
n×3
60632721
n×4
80843628
n×5
101054535
n÷2
10105453.5
n÷3
6736969
n÷3
5052726.75
n÷5
4042181.4
n2
408480761762649
n3
8.2557666872741E+21
n4
1.6685653273019E+29
n5
3.3723218653524E+36
2 √n
4495.6542349251
3 √n
272.39257668537
4 √n
67.049640080504
5 √n
28.914598136888
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20210906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20210907 can be divided by 8 positive divisors.
The sum of these divisors (counting 20210907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000110010011011011
3
Ternary
1102000211011010
4
Quaternary
1031012103123
5
Quinary
20133222112
6
Senary
2001105003
8
Octal
115062333
10
Decimal
20210907
12
Duodecimal
6928163
16
Hexadecimal
13464db
20
Vigesimal
666757
36
Base36
c16u3
md5
5bb88174cb952cc4810344ab44d5f6ae
sha1
bccfe5766bb02797324567ad9fea2ef8c7fe8024
sha256
aab30d69dc6beefe242748dc778954062d21116b54f2d9bb90575438be04edb6
sha512
c5d97d677ee7e390469e5ec742268e2894c519723ec73e8389a848b9ac6d676601ed69a2978d22c79c80206228cd8dd193164c678bfb410d0c7d2e34afc4913b
ripemd-160
29de3ae22f375bfc73f0c662dc6e2351b5e90bd4
Diameter
40421814
Circumference
126988873.90717
Area
1.2832801602863E+15
Volume
3.4581674632655E+22
Surface area
5.1331206411452E+15
Circumference
126988873.90717
Perimeter
80843628
Area
408480761762649
Diagonal
28582538.787261
Surface area
2450884570575894
Volume
8.2557666872741E+21
Space diagonal
35006317.791049
Perimeter
60632721
Area
1.7687735832184E+14
Altitude
17503158.895525
Surface area
1.7687735832184E+14
Volume
9.7295143474425E+20
Height
9527512.9290871