20121197 is an odd 8-digits composite number following 20121196
and preceding 20121198 . In scientific notation, it is written as 2.0121197 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 20106876 positive integers (up to 20121197) that are relatively prime to 20121197.
20121197 has 4 divisors, whose sum is 20135520
The reverse of 20121197 is 79112102
Previous prime number is 12743
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-one thousand one hundred ninety-seven
Scientific notation
2.0121197 × 10^7
Engineering notation
2.0121197 × 10^6
Prime Factorization
12743 × 1579
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20121197
Product of the distinct prime numbers
The prime factorization of 20121197 is 12743 × 1579.
Since it has a total of 2 prime factors.
4 , 4 , 99 , 18 , 397 , 515 , 3140 , 5485 , 87798 , 72947 , 618644 , 897213 , 464968 , 8648512 , 33777486 , 81239617 , 405707511 , 201975178 , 6313857716 , 5325196096
n×2
40242394
n×3
60363591
n×4
80484788
n×5
100605985
n÷2
10060598.5
n÷3
6707065.6666667
n÷3
5030299.25
n÷5
4024239.4
n2
404862568712809
n3
8.1463195029965E+21
n4
1.6391369954473E+29
n5
3.2981398395384E+36
2 √n
4485.6657253968
3 √n
271.98895662344
4 √n
66.975112731498
5 √n
28.888883839524
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
-20121196
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 20121197 can be divided by 4 positive divisors.
The sum of these divisors (counting 20121197) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000011001101101
3
Ternary
1101212021002112
4
Quaternary
1030300121231
5
Quinary
20122334242
6
Senary
1555133405
8
Octal
114603155
10
Decimal
20121197
12
Duodecimal
68a4265
16
Hexadecimal
133066d
20
Vigesimal
65f2jh
36
Base36
bz9m5
md5
23d91a2cb90b09f2f3cabf2f3793b6bc
sha1
e36f409cc38edc4c7a6716f324fc0345a7446758
sha256
3480f95b868acdc3ff919cef5a11f2579300cedaba50eeae675b58136c112176
sha512
79600d7e35f6a9012164460235dbd2e16dba59470af53ce8833b5dc6a819349020ddd41ebcfdafee2d638e2b573417ef8e6791884dac3e452994a984073a1fab
ripemd-160
77bde986b8246e517d1056883d08bd760be90453
Diameter
40242394
Circumference
126425209.35327
Area
1.2719132715817E+15
Volume
3.4123223339212E+22
Surface area
5.0876530863266E+15
Circumference
126425209.35327
Perimeter
80484788
Area
404862568712809
Diagonal
28455669.688581
Surface area
2429175412276854
Volume
8.1463195029965E+21
Space diagonal
34850935.513102
Perimeter
60363591
Area
1.7531063477336E+14
Altitude
17425467.756551
Surface area
1.7531063477336E+14
Volume
9.6005296038017E+20
Height
9485223.2295269