20102381 is an odd 8-digits composite number following 20102380
and preceding 20102382 . In scientific notation, it is written as 2.0102381 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors.
There are 17462016 positive integers (up to 20102381) that are relatively prime to 20102381.
20102381 has 12 divisors, whose sum is 23051412
The reverse of 20102381 is 18320102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred two thousand three hundred eighty-one
Scientific notation
2.0102381 × 10^7
Engineering notation
2.0102381 × 10^6
Prime Factorization
13 × 13 × 17 × 6997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1546337
Product of the distinct prime numbers
The prime factorization of 20102381 is 13 × 13 × 17 × 6997.
Since it has a total of 4 prime factors.
9 , 5 , 6 , 94 , 222 , 590 , 4841 , 5844 , 64409 , 13768 , 663553 , 129370 , 4445881 , 3823234 , 34955784 , 42088984 , 921086997 , 92605653 , 438180515 , 3249905962
n×2
40204762
n×3
60307143
n×4
80409524
n×5
100511905
n÷2
10051190.5
n÷3
6700793.6666667
n÷3
5025595.25
n÷5
4020476.2
n2
404105721869161
n3
8.1234871852939E+21
n4
1.633014344474E+29
n5
3.2827476531081E+36
2 √n
4483.5678872969
3 √n
271.90414821145
4 √n
66.959449574327
5 √n
28.883478826315
1 , 13 , 17 , 169 , 221 , 2873 , 6997 , 90961 , 118949 , 1182493 , 1546337 , 20102381
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20102380
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20102381 can be divided by 12 positive divisors.
The sum of these divisors (counting 20102381) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101011110011101101
3
Ternary
1101211022021122
4
Quaternary
1030223303231
5
Quinary
20121234011
6
Senary
1554510325
8
Octal
114536355
10
Decimal
20102381
12
Duodecimal
68953a5
16
Hexadecimal
132bced
20
Vigesimal
65cfj1
36
Base36
byv3h
md5
2af2d741b812932f7d28d21a30cb00a6
sha1
05f7c9c725ee7d9b51a39532bc6327a9b49dfe87
sha256
0d21e8d3030bec3d1a1f9bb1ce9ebaaf3269461d7a14585058b616906517f8b8
sha512
230a0017e3f207b5012d558e065dac953bfbe02f3f6f3031426e47efbf92a569540b747a40c232d067eb78cbb4dd0b07a85c46d8891a6306198171ef1421c619
ripemd-160
26930165cffa4cd19f9c8703128066427adc2a1d
Diameter
40204762
Circumference
126306984.93853
Area
1.2695355670978E+15
Volume
3.4027583550467E+22
Surface area
5.078142268391E+15
Circumference
126306984.93853
Perimeter
80409524
Area
404105721869161
Diagonal
28429059.846191
Surface area
2424634331214966
Volume
8.1234871852939E+21
Space diagonal
34818345.245107
Perimeter
60307143
Area
1.7498291047667E+14
Altitude
17409172.622554
Surface area
1.7498291047667E+14
Volume
9.5736214593389E+20
Height
9476353.2820637