20120121 is an odd 8-digits composite number following 20120120
and preceding 20120122 . In scientific notation, it is written as 2.0120121 × 10^7.
The sum of its digits is 9. It has a total of 3 prime factors and 8 positive divisors.
There are 11300256 positive integers (up to 20120121) that are relatively prime to 20120121.
20120121 has 8 divisors, whose sum is 20789760
The reverse of 20120121 is 12102102
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 9
Digital Root 9
Name
twenty million one hundred twenty thousand one hundred twenty-one
Scientific notation
2.0120121 × 10^7
Engineering notation
2.0120121 × 10^6
Prime Factorization
63 × 59 × 5413
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20120121
Product of the distinct prime numbers
The prime factorization of 20120121 is 63 × 59 × 5413.
Since it has a total of 3 prime factors.
9 , 7 , 97 , 21 , 144 , 335 , 2977 , 4773 , 90303 , 55045 , 587781 , 336051 , 9738236 , 5579139 , 73245348 , 30722718 , 113428444 , 851341058 , 6095930927 , 3139083764
n×2
40240242
n×3
60360363
n×4
80480484
n×5
100600605
n÷2
10060060.5
n÷3
6706707
n÷3
5030030.25
n÷5
4024024.2
n2
404819269054641
n3
8.1450126765109E+21
n4
1.6387864059793E+29
n5
3.2972580781459E+36
2 √n
4485.5457861892
3 √n
271.98410824829
4 √n
66.9742173242
5 √n
28.888574860849
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20120120
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20120121 can be divided by 8 positive divisors.
The sum of these divisors (counting 20120121) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000001000111001
3
Ternary
1101212012121200
4
Quaternary
1030300020321
5
Quinary
20122320441
6
Senary
1555124413
8
Octal
114601071
10
Decimal
20120121
12
Duodecimal
68a3709
16
Hexadecimal
1330239
20
Vigesimal
65f061
36
Base36
bz8s9
md5
681684afcdf8054112de27c2da6a5b5e
sha1
f97387eb0a60a81f7be6f9f82140426f0b5ba7ef
sha256
96617caff200872491ff966c16a11dfc4732e3318e7ea9fec445c2728eaa057e
sha512
7fb642e553079784696abfb08de22045d6769dfdf129d7d027a4712b25bb3656c3da0fcdc50b14a82183b4e94e7e37003f7db2be3fe9b64ace27fd0c48bbf055
ripemd-160
6dac054a5c1159d70f1a12721f4359656b1b56c8
Diameter
40240242
Circumference
126418448.64588
Area
1.2717772416936E+15
Volume
3.411774931723E+22
Surface area
5.0871089667746E+15
Circumference
126418448.64588
Perimeter
80480484
Area
404819269054641
Diagonal
28454147.994788
Surface area
2428915614327846
Volume
8.1450126765109E+21
Space diagonal
34849071.826434
Perimeter
60360363
Area
1.7529188547138E+14
Altitude
17424535.913217
Surface area
1.7529188547138E+14
Volume
9.5989894940188E+20
Height
9484715.9982626