20105121 is an odd 8-digits composite number following 20105120
and preceding 20105122 . In scientific notation, it is written as 2.0105121 × 10^7.
The sum of its digits is 12. It has a total of 2 prime factors and 4 positive divisors.
There are 13403412 positive integers (up to 20105121) that are relatively prime to 20105121.
20105121 has 4 divisors, whose sum is 26806832
The reverse of 20105121 is 12150102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 12
Digital Root 3
Name
twenty million one hundred five thousand one hundred twenty-one
Scientific notation
2.0105121 × 10^7
Engineering notation
2.0105121 × 10^6
Prime Factorization
3 × 6701707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20105121
Product of the distinct prime numbers
The prime factorization of 20105121 is 3 × 6701707.
Since it has a total of 2 prime factors.
10 , 2 , 54 , 41 , 846 , 210 , 3996 , 8440 , 93091 , 49836 , 848167 , 910790 , 2621675 , 7666882 , 9690655 , 23093225 , 659338092 , 319673698 , 9207970676 , 1077804977
n×2
40210242
n×3
60315363
n×4
80420484
n×5
100525605
n÷2
10052560.5
n÷3
6701707
n÷3
5026280.25
n÷5
4021024.2
n2
404215890424641
n3
8.1268093871101E+21
n4
1.6339048607179E+29
n5
3.2849854927221E+36
2 √n
4483.8734371077
3 √n
271.91650136702
4 √n
66.961731138821
5 √n
28.884266160089
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
-20105120
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 20105121 can be divided by 4 positive divisors.
The sum of these divisors (counting 20105121) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101100011110100001
3
Ternary
1101211110001010
4
Quaternary
1030230132201
5
Quinary
20121330441
6
Senary
1554531133
8
Octal
114543641
10
Decimal
20105121
12
Duodecimal
6896aa9
16
Hexadecimal
132c7a1
20
Vigesimal
65d2g1
36
Base36
byx7l
md5
9dd23d450ba5aad2574d78ebf807aae5
sha1
158d658a9592fee25b3a00d1474fae83b7a83787
sha256
d6c6a5e108d7aa058471fcd97da94fad5fa63720438c708f9251d8bc3108093e
sha512
9fb4f993de7c4002a0cff4ec7cfbd08036b9d19709bef8cf035556dc3b7742a2e861d695abce27b736714f49114563e9feb157fff191f1abe3fe5a2ae36d87c9
ripemd-160
601926f0a4d80f876b3a2eba68eb0890edecec30
Diameter
40210242
Circumference
126324200.86627
Area
1.2698816718223E+15
Volume
3.4041499556893E+22
Surface area
5.0795266872892E+15
Circumference
126324200.86627
Perimeter
80420484
Area
404215890424641
Diagonal
28432934.791352
Surface area
2425295342547846
Volume
8.1268093871101E+21
Space diagonal
34823091.06432
Perimeter
60315363
Area
1.7503061486054E+14
Altitude
17411545.53216
Surface area
1.7503061486054E+14
Volume
9.5775367117268E+20
Height
9477644.9304507