1220121268 is an even 10-digits composite number following 1220121267
and preceding 1220121269 . In scientific notation, it is written as 1.220121268 × 10^9.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 588731520 positive integers (up to 1220121268) that are relatively prime to 1220121268.
1220121268 has 12 divisors, whose sum is 2135895300
The reverse of 1220121268 is 8621210221
Previous prime number is 3233
Is Prime? no Number parity even Number length 10 Sum of Digits 25 Digital Root 7
Name
one billion two hundred twenty million one hundred twenty-one thousand two hundred sixty-eight
Scientific notation
1.220121268 × 10^9
Engineering notation
1.220121268 × 10^9
Prime Factorization
2 × 2 × 3233 × 94349
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
610060634 Product of the distinct prime numbers
The prime factorization of 1220121268 is 2 × 2 × 3233 × 94349.
Since it has a total of 4 prime factors.
8 , 8 , 47 , 38 , 491 , 151 , 6506 , 5304 , 89115 , 90986 , 831089 , 801376 , 3194552 , 2175268 , 62249366 , 99084626 , 166933216 , 280845131 , 2387162240 , 7168198788
n×2
2440242536
n×3
3660363804
n×4
4880485072
n×5
6100606340
n÷2
610060634
n÷3
406707089.33333
n÷3
305030317
n÷5
244024253.6
n2
1488695908625927824
n3
1.8163895396991E+27
n4
2.2162155083596E+36
n5
2.704051676221E+45
2 √n34930.23429638
3 √n1068.5651329276
4 √n186.89631964375
5 √n65.656934148588
1 , 2 , 4 , 3233 , 6466 , 12932 , 94349 , 188698 , 377396 , 305030317 , 610060634 , 1220121268
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
-1220121267 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 1220121268 can be divided by 12 positive divisors.
The sum of these divisors (counting 1220121268) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000101110011001001010110100
3
Ternary
10011000212120201121
4
Quaternary
1020232121022310
5
Quinary
4444322340033
6
Senary
321023233324
8
Octal
11056311264
10
Decimal
1220121268
12
Duodecimal
2a0748844
16
Hexadecimal
48b992b4
20
Vigesimal
j15f338
36
Base36
k6fflg
md5
cbe98f5de1693a2d05cc7decd1ec9b5d
sha1
6f45462be5ea863f3bfcdeb76fa773102c9cd6e8
sha256
c10cdf3471358e4649aa3d3d09c260fcc2ab5b75ad0deee559b7e1f48ebde12e
sha512
deef337c382091d2cc167b49a93794df28dbb83675d3afe9f5dfd45ee603ea00684d8791b39e3b5046bbf73e2b6e152b427ad9cd8469b397c466736e98657cd6
ripemd-160
95edd4dfa6db24dc736edf20255f9dd4c93a4db3
Diameter
2440242536
Circumference
7666248024.0749
Area
4.6768761299684E+18
Volume
7.608474711968E+27
Surface area
1.8707504519874E+19
Circumference
7666248024.0749
Perimeter
4880485072
Area
1488695908625927824
Diagonal
1725512044.9455
Surface area
8932175451755566944
Volume
1.8163895396991E+27
Space diagonal
2113312027.5714
Perimeter
3660363804
Area
6.4462423769001E+17
Altitude
1056656013.7857
Surface area
6.4462423769001E+17
Volume
2.1406356013292E+26
Height
575170681.64849