20090081 is an odd 8-digits composite number following 20090080
and preceding 20090082 . In scientific notation, it is written as 2.0090081 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 18263700 positive integers (up to 20090081) that are relatively prime to 20090081.
20090081 has 4 divisors, whose sum is 21916464
The reverse of 20090081 is 18009002
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million ninety thousand eighty-one
Scientific notation
2.0090081 × 10^7
Engineering notation
2.0090081 × 10^6
Prime Factorization
11 × 1826371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20090081
Product of the distinct prime numbers
The prime factorization of 20090081 is 11 × 1826371.
Since it has a total of 2 prime factors.
9 , 4 , 46 , 30 , 772 , 602 , 610 , 7561 , 60353 , 22233 , 518177 , 275859 , 4107753 , 1995365 , 72949003 , 64366191 , 469705418 , 947531148 , 4562503921 , 8692043984
n×2
40180162
n×3
60270243
n×4
80360324
n×5
100450405
n÷2
10045040.5
n÷3
6696693.6666667
n÷3
5022520.25
n÷5
4018016.2
n2
403611354586561
n3
8.1085848061637E+21
n4
1.629021255512E+29
n5
3.2727168973958E+36
2 √n
4482.1960019615
3 √n
271.84868043096
4 √n
66.949204640246
5 √n
28.879943386687
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
-20090080
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 20090081 can be divided by 4 positive divisors.
The sum of these divisors (counting 20090081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101000110011100001
3
Ternary
1101210200102002
4
Quaternary
1030220303201
5
Quinary
20120340311
6
Senary
1554333345
8
Octal
114506341
10
Decimal
20090081
12
Duodecimal
688a255
16
Hexadecimal
1328ce1
20
Vigesimal
65b541
36
Base36
byllt
md5
6da578d46e6f91ee9a57e77dc5f80900
sha1
73cf53a8ad76625c7792d01a838b08aeef981a94
sha256
063c36004c0e0a90aff8f41f5400f89564b703c3a796ac4ec55de1bdafb3e17f
sha512
5391e127f1caad19aca90596af1069b58390ff5578e3766cb7e67183df02b065fb75eddd5d2b4e60c6a0aa04caf5d9e5d7394b61b3e3f826f8374f4df7b511c9
ripemd-160
2ae7175d9a67e9a8fe3d92949fe0444f3d9a1136
Diameter
40180162
Circumference
126229701.75925
Area
1.2679824664746E+15
Volume
3.3965160610738E+22
Surface area
5.0719298658983E+15
Circumference
126229701.75925
Perimeter
80360324
Area
403611354586561
Diagonal
28411665.019374
Surface area
2421668127519366
Volume
8.1085848061637E+21
Space diagonal
34797041.020174
Perimeter
60270243
Area
1.7476884316391E+14
Altitude
17398520.510087
Surface area
1.7476884316391E+14
Volume
9.5560588371076E+20
Height
9470555.006458