20121057 is an odd 8-digits composite number following 20121056
and preceding 20121058 . In scientific notation, it is written as 2.0121057 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 28 positive divisors.
There are 11532240 positive integers (up to 20121057) that are relatively prime to 20121057.
20121057 has 28 divisors, whose sum is 31017744
The reverse of 20121057 is 75012102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty-one thousand fifty-seven
Scientific notation
2.0121057 × 10^7
Engineering notation
2.0121057 × 10^6
Prime Factorization
3 × 57 × 11 × 19 × 563
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20121057
Product of the distinct prime numbers
The prime factorization of 20121057 is 3 × 57 × 11 × 19 × 563.
Since it has a total of 5 prime factors.
8 , 4 , 82 , 57 , 126 , 554 , 6449 , 1383 , 70351 , 66358 , 522018 , 804214 , 6136400 , 473278 , 2317265 , 30309599 , 634297286 , 229408759 , 5587680515 , 3883204647
n×2
40242114
n×3
60363171
n×4
80484228
n×5
100605285
n÷2
10060528.5
n÷3
6707019
n÷3
5030264.25
n÷5
4024211.4
n2
404856934797249
n3
8.1461494619007E+21
n4
1.6390913765342E+29
n5
3.2980251015454E+36
2 √n
4485.6501201052
3 √n
271.98832580374
4 √n
66.974996230722
5 √n
28.888843638586
1 , 3 , 11 , 19 , 33 , 57 , 171 , 209 , 563 , 627 , 1083 , 1689 , 1881 , 3249 , 6193 , 10697 , 11913 , 18579 , 32091 , 35739 , 96273 , 117667 , 353001 , 609729 , 1059003 , 1829187 , 6707019 , 20121057
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121056
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121057 can be divided by 28 positive divisors.
The sum of these divisors (counting 20121057) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001100110000010111100001
3
Ternary
1101212020220100
4
Quaternary
1030300113201
5
Quinary
20122333212
6
Senary
1555133013
8
Octal
114602741
10
Decimal
20121057
12
Duodecimal
68a4169
16
Hexadecimal
13305e1
20
Vigesimal
65f2ch
36
Base36
bz9i9
md5
da6fe348ec85549b8cfa149a5e069877
sha1
b6a1c467b9810da862192f4680d6b652c85b255f
sha256
fba2ce40df5abcd37dfb42dc2ff259a8d0e02cbcb9924207b4fc0c4138470ca7
sha512
6e55ea92aa9330b657208855f12463f29ac723e45865e0861df1178e00ff3d0c7e9e794d37d0209ee5bf2713ec364436c2f95e66f9386b3d091dabb29c94eda0
ripemd-160
0762430a93a981a7dd5bf626e256f77bd233e5c5
Diameter
40242114
Circumference
126424329.70732
Area
1.2718955721139E+15
Volume
3.4122511072736E+22
Surface area
5.0875822884557E+15
Circumference
126424329.70732
Perimeter
80484228
Area
404856934797249
Diagonal
28455471.698682
Surface area
2429141608783494
Volume
8.1461494619007E+21
Space diagonal
34850693.025989
Perimeter
60363171
Area
1.7530819521636E+14
Altitude
17425346.512995
Surface area
1.7530819521636E+14
Volume
9.6003292084486E+20
Height
9485157.232894