20121268 is an even 8-digits composite number following 20121267
and preceding 20121269 . In scientific notation, it is written as 2.0121268 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors.
There are 9468800 positive integers (up to 20121268) that are relatively prime to 20121268.
20121268 has 12 divisors, whose sum is 37283652
The reverse of 20121268 is 86212102
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred twenty-one thousand two hundred sixty-eight
Scientific notation
2.0121268 × 10^7
Engineering notation
2.0121268 × 10^6
Prime Factorization
2 × 2 × 17 × 295901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10060634
Product of the distinct prime numbers
The prime factorization of 20121268 is 2 × 2 × 17 × 295901.
Since it has a total of 4 prime factors.
4 , 5 , 36 , 33 , 866 , 894 , 6089 , 8010 , 69724 , 86532 , 644436 , 423615 , 2086357 , 3551962 , 60203019 , 16283661 , 39642328 , 549960533 , 569029972 , 323119442
n×2
40242536
n×3
60363804
n×4
80485072
n×5
100606340
n÷2
10060634
n÷3
6707089.3333333
n÷3
5030317
n÷5
4024253.6
n2
404865425927824
n3
8.1464057390279E+21
n4
1.6391601311172E+29
n5
3.2981980293124E+36
2 √n
4485.6736394883
3 √n
271.98927653802
4 √n
66.975171813802
5 √n
28.888904227057
1 , 2 , 4 , 17 , 34 , 68 , 295901 , 591802 , 1183604 , 5030317 , 10060634 , 20121268
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121267
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121268 can be divided by 12 positive divisors.
The sum of these divisors (counting 20121268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110000011010110100
3
Ternary
1101212021012011
4
Quaternary
1030300122310
5
Quinary
20122340033
6
Senary
1555134004
8
Octal
114603264
10
Decimal
20121268
12
Duodecimal
68a4304
16
Hexadecimal
13306b4
20
Vigesimal
65f338
36
Base36
bz9o4
md5
ff4f88b4e09ad1f9bc0a47b89329c8af
sha1
b8bbeedf18d412048a30b9769a55edf26d198334
sha256
a2f4ac683a1f3567f777881e1eedf917571f50f360f407b5bdb90e7aeae15d1e
sha512
5a47bf45602d9cc6421d645c0b4b55dc75e5a75855757b8462e41d8f00a314624f9c6f72925bc805f629be24689e751ef04be42ff2bf18dda0dd6c56d72f3cd3
ripemd-160
b47b3b888bb11b5636e897c3604ff3a0f2587a7c
Diameter
40242536
Circumference
126425655.45942
Area
1.2719222477874E+15
Volume
3.4123584563856E+22
Surface area
5.0876889911494E+15
Circumference
126425655.45942
Perimeter
80485072
Area
404865425927824
Diagonal
28455770.097744
Surface area
2429192555566944
Volume
8.1464057390279E+21
Space diagonal
34851058.48871
Perimeter
60363804
Area
1.7531187198375E+14
Altitude
17425529.244355
Surface area
1.7531187198375E+14
Volume
9.6006312339394E+20
Height
9485256.6992479