1220231391 is an odd 10-digits composite number following 1220231390
and preceding 1220231392 . In scientific notation, it is written as 1.220231391 × 10^9.
The sum of its digits is 24. It has a total of 2 prime factors and 4 positive divisors.
There are 813487592 positive integers (up to 1220231391) that are relatively prime to 1220231391.
1220231391 has 4 divisors, whose sum is 1626975192
The reverse of 1220231391 is 1931320221
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 24
Digital Root 6
Name
one billion two hundred twenty million two hundred thirty-one thousand three hundred ninety-one
Scientific notation
1.220231391 × 10^9
Engineering notation
1.220231391 × 10^9
Prime Factorization
3 × 406743797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1220231391
Product of the distinct prime numbers
The prime factorization of 1220231391 is 3 × 406743797.
Since it has a total of 2 prime factors.
4 , 10 , 90 , 65 , 126 , 194 , 6878 , 8426 , 7588 , 10773 , 22506 , 17862 , 9497747 , 5003825 , 4391130 , 29300782 , 111422500 , 157685635 , 2224358509 , 6947012744
n×2
2440462782
n×3
3660694173
n×4
4880925564
n×5
6101156955
n÷2
610115695.5
n÷3
406743797
n÷3
305057847.75
n÷5
244046278.2
n2
1488964647581794881
n3
1.8168814030686E+27
n4
2.2170157217484E+36
n5
2.7052721780179E+45
2 √n
34931.810588631
3 √n
1068.5972800213
4 √n
186.90053661943
5 √n
65.658119289398
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
-1220231390
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 1220231391 can be divided by 4 positive divisors.
The sum of these divisors (counting 1220231391) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000101110110100000011011111
3
Ternary
10011001002011210020
4
Quaternary
1020232310003133
5
Quinary
4444334401031
6
Senary
321025443223
8
Octal
11056640337
10
Decimal
1220231391
12
Duodecimal
2a07a0513
16
Hexadecimal
48bb40df
20
Vigesimal
j168i9b
36
Base36
k6hskf
md5
36517cb4bcf7dee344e33b0bd12ab61b
sha1
a13cc22a1559ee761fb98f4ffe36f65baeeb4b24
sha256
27954af38fc1b2b22ebf4cc7223c4c6e7c6566c9e6946ea4e310a5be739fc561
sha512
7d58992db6fdf1cadda2ef3dd29a642ca2d622d4b78c5a8cacb862ee98017495198814dcf56160357ebcb5bd7ec182b19c51920fb6ea870948966611fff3a6fc
ripemd-160
3d7988feac7ed1f4121524de1cf70c71d10be5eb
Diameter
2440462782
Circumference
7666939947.2905
Area
4.6777203982979E+18
Volume
7.6105350244321E+27
Surface area
1.8710881593192E+19
Circumference
7666939947.2905
Perimeter
4880925564
Area
1488964647581794881
Diagonal
1725667782.3856
Surface area
8933787885490769286
Volume
1.8168814030686E+27
Space diagonal
2113502766.2024
Perimeter
3660694173
Area
6.4474060507139E+17
Altitude
1056751383.1012
Surface area
6.4474060507139E+17
Volume
2.1412152678692E+26
Height
575222594.12853