1220121438 is an even 10-digits composite number following 1220121437
and preceding 1220121439 . In scientific notation, it is written as 1.220121438 × 10^9.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 405711936 positive integers (up to 1220121438) that are relatively prime to 1220121438.
1220121438 has 16 divisors, whose sum is 2446214160
The reverse of 1220121438 is 8341210221
Previous prime number is 409
Is Prime? no
Number parity even
Number length 10
Sum of Digits 24
Digital Root 6
Name
one billion two hundred twenty million one hundred twenty-one thousand four hundred thirty-eight
Scientific notation
1.220121438 × 10^9
Engineering notation
1.220121438 × 10^9
Prime Factorization
2 × 3 × 409 × 497197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1220121438
Product of the distinct prime numbers
The prime factorization of 1220121438 is 2 × 3 × 409 × 497197.
Since it has a total of 4 prime factors.
2 , 7 , 6 , 40 , 871 , 938 , 5913 , 2966 , 56727 , 31128 , 190918 , 938871 , 88631 , 1237456 , 40753965 , 26970884 , 586892710 , 117247301 , 9957491131 , 6584259328
n×2
2440242876
n×3
3660364314
n×4
4880485752
n×5
6100607190
n÷2
610060719
n÷3
406707146
n÷3
305030359.5
n÷5
244024287.6
n2
1488696323467187844
n3
1.8163902989341E+27
n4
2.2162167435047E+36
n5
2.7040535600047E+45
2 √n
34930.236729802
3 √n
1068.5651825555
4 √n
186.89632615384
5 √n
65.656935978189
1 , 2 , 3 , 6 , 409 , 818 , 1227 , 2454 , 497197 , 994394 , 1491591 , 2983182 , 203353573 , 406707146 , 610060719 , 1220121438
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1220121437
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1220121438 can be divided by 16 positive divisors.
The sum of these divisors (counting 1220121438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000101110011001001101011110
3
Ternary
10011000212120221220
4
Quaternary
1020232121031132
5
Quinary
4444322341223
6
Senary
321023234210
8
Octal
11056311536
10
Decimal
1220121438
12
Duodecimal
2a0748966
16
Hexadecimal
48b9935e
20
Vigesimal
j15f3bi
36
Base36
k6ffq6
md5
3d99e8d0488fc1ee9dba5421f8b48208
sha1
087b15cfdd7ce53747424640d30246cf3de093e6
sha256
1f24eae5f841855367e58d734238d9c71fe466452d7b676679dd0879f328954e
sha512
381ff9b554f5b2db9c03f8b687f45cc78d1ffeba882559f7d41c628ad33f1635f5ca9d256b0f8ed73ba250939daca4b75ef727a753d4dd2d83c2c74b6995438c
ripemd-160
5b3d7eeeba2efb93a9d3e1fb6c69dc57fb26d71b
Diameter
2440242876
Circumference
7666249092.2164
Area
4.6768774332307E+18
Volume
7.6084778922442E+27
Surface area
1.8707509732923E+19
Circumference
7666249092.2164
Perimeter
4880485752
Area
1488696323467187844
Diagonal
1725512285.3618
Surface area
8932177940803127064
Volume
1.8163902989341E+27
Space diagonal
2113312322.02
Perimeter
3660364314
Area
6.4462441732154E+17
Altitude
1056656161.01
Surface area
6.4462441732154E+17
Volume
2.1406364960963E+26
Height
575170761.78725