20021907 is an odd 8-digits composite number following 20021906
and preceding 20021908 . In scientific notation, it is written as 2.0021907 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13347936 positive integers (up to 20021907) that are relatively prime to 20021907.
20021907 has 4 divisors, whose sum is 26695880
The reverse of 20021907 is 70912002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million twenty-one thousand nine hundred seven
Scientific notation
2.0021907 × 10^7
Engineering notation
2.0021907 × 10^6
Prime Factorization
3 × 6673969
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20021907
Product of the distinct prime numbers
The prime factorization of 20021907 is 3 × 6673969.
Since it has a total of 2 prime factors.
4 , 5 , 10 , 72 , 108 , 26 , 8117 , 6071 , 82843 , 79586 , 439629 , 728089 , 8026187 , 8691680 , 39778249 , 21111571 , 870426045 , 264206655 , 5451231775 , 2541504539
n×2
40043814
n×3
60065721
n×4
80087628
n×5
100109535
n÷2
10010953.5
n÷3
6673969
n÷3
5005476.75
n÷5
4004381.4
n2
400876759916649
n3
8.0263172055125E+21
n4
1.6070217664127E+29
n5
3.2175640354091E+36
2 √n
4474.5845617219
3 √n
271.54083340676
4 √n
66.892335597749
5 √n
28.860316395828
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
-20021906
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 20021907 can be divided by 4 positive divisors.
The sum of these divisors (counting 20021907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100011000001010010011
3
Ternary
1101200012220010
4
Quaternary
1030120022103
5
Quinary
20111200112
6
Senary
1553050003
8
Octal
114301223
10
Decimal
20021907
12
Duodecimal
6856903
16
Hexadecimal
1318293
20
Vigesimal
652ef7
36
Base36
bx503
md5
0921b8943b2d359d37369a7c46a84c36
sha1
1708c1600121d383d33033e5ad1b6179eed37c45
sha256
1c7885d26bb4c6968b0767063aebfe52597a93400479f85b07cc51468ff400b7
sha512
40a2104a29b123c1ecf645fd7f828c95955f3105774f03ee72d8575756d006724b519ca621bdc712cfb4f46b1987e9617c9fe089be05cbad4ee5535bf174b173
ripemd-160
dbe21f210f4c214afb672b2f2ee21378471b450b
Diameter
40043814
Circumference
125801351.88412
Area
1.259391483949E+15
Volume
3.3620558890959E+22
Surface area
5.0375659357961E+15
Circumference
125801351.88412
Perimeter
80087628
Area
400876759916649
Diagonal
28315252.423973
Surface area
2405260559499894
Volume
8.0263172055125E+21
Space diagonal
34678960.188419
Perimeter
60065721
Area
1.7358472893731E+14
Altitude
17339480.094209
Surface area
1.7358472893731E+14
Volume
9.4591055399536E+20
Height
9438417.4746576