20105387 is an odd 8-digits prime number following 20105386
and preceding 20105388 . In scientific notation, it is written as 2.0105387 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 20105386 positive integers (up to 20105387) that are relatively prime to 20105387.
20105387 has 2 divisors, whose sum is 20105388
The reverse of 20105387 is 78350102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred five thousand three hundred eighty-seven
Scientific notation
2.0105387 × 10^7
Engineering notation
2.0105387 × 10^6
Prime Factorization
20105387
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20105387
Product of the distinct prime numbers
The prime factorization of 20105387 is 20105387.
Since it has a total of 1 prime factors.
10 , 1 , 5 , 8 , 913 , 217 , 364 , 810 , 56380 , 50257 , 580664 , 341368 , 1540982 , 2419092 , 49561441 , 72565834 , 962526911 , 360547915 , 9032236050 , 7957785682
n×2
40210774
n×3
60316161
n×4
80421548
n×5
100526935
n÷2
10052693.5
n÷3
6701795.6666667
n÷3
5026346.75
n÷5
4021077.4
n2
404226586419769
n3
8.1271319556584E+21
n4
1.6339913316858E+29
n5
3.2852028078188E+36
2 √n
4483.9030988638
3 √n
271.9177005552
4 √n
66.961952621349
5 √n
28.88434259011
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20105388
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10052694
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4483.9032103737
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999005242
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20105387 can be divided by 2 positive divisors.
The sum of these divisors (counting 20105387) is 20105388, the average is 10052694.
Base
System
Value
2
Binary
1001100101100100010101011
3
Ternary
1101211110101222
4
Quaternary
1030230202223
5
Quinary
20121333022
6
Senary
1554532255
8
Octal
114544253
10
Decimal
20105387
12
Duodecimal
689708b
16
Hexadecimal
132c8ab
20
Vigesimal
65d397
36
Base36
byxez
md5
cccc8f3dbe95a9180ff78dd07c3e157f
sha1
ef1ac4e13f6b5456d892b90d5d321e620b8dc362
sha256
8d90fc5875ecc58fffa7bc360661bafc8a775bb3b5eee8ef2debb919ea0fea2c
sha512
528c98fca67c8d1af0241c5e488f0fe838f74fffca034f07eb565141d43bfcbdc1878465f284c12f561de6b9ad6465839b5061bdc436c29c5f88ea1482dcc1c7
ripemd-160
dc863d0858cac100bd012d1ed03fec213f9fda64
Diameter
40210774
Circumference
126325872.19356
Area
1.269915274282E+15
Volume
3.4042850728868E+22
Surface area
5.0796610971281E+15
Circumference
126325872.19356
Perimeter
80421548
Area
404226586419769
Diagonal
28433310.97216
Surface area
2425359518518614
Volume
8.1271319556584E+21
Space diagonal
34823551.789835
Perimeter
60316161
Area
1.7503524636229E+14
Altitude
17411775.894917
Surface area
1.7503524636229E+14
Volume
9.5779168624066E+20
Height
9477770.3240532