1220111921 is an odd 10-digits composite number following 1220111920
and preceding 1220111922 . In scientific notation, it is written as 1.220111921 × 10^9.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 1045651248 positive integers (up to 1220111921) that are relatively prime to 1220111921.
1220111921 has 8 divisors, whose sum is 1394625600
The reverse of 1220111921 is 1291110221
Previous prime number is 14347
Is Prime? no Number parity odd Number length 10 Sum of Digits 20 Digital Root 2
Name
one billion two hundred twenty million one hundred eleven thousand nine hundred twenty-one
Scientific notation
1.220111921 × 10^9
Engineering notation
1.220111921 × 10^9
Prime Factorization
7 × 14347 × 12149
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1220111921 Product of the distinct prime numbers
The prime factorization of 1220111921 is 7 × 14347 × 12149.
Since it has a total of 3 prime factors.
7 , 2 , 13 , 16 , 614 , 283 , 5251 , 3531 , 71057 , 14266 , 432212 , 164816 , 2279332 , 5439777 , 68658846 , 87245161 , 643582524 , 878309951 , 3017600083 , 5706907089
n×2
2440223842
n×3
3660335763
n×4
4880447684
n×5
6100559605
n÷2
610055960.5
n÷3
406703973.66667
n÷3
305027980.25
n÷5
244022384.2
n2
1488673099766310241
n3
1.8163477954969E+27
n4
2.2161475979678E+36
n5
2.7039481029761E+45
2 √n34930.100500857
3 √n1068.5624042634
4 √n186.89596170291
5 √n65.656833552482
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
-1220111920 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 1220111921 can be divided by 8 positive divisors.
The sum of these divisors (counting 1220111921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000101110010110111000110001
3
Ternary
10011000212002220102
4
Quaternary
1020232112320301
5
Quinary
4444322040141
6
Senary
321023122145
8
Octal
11056267061
10
Decimal
1220111921
12
Duodecimal
2a0743355
16
Hexadecimal
48b96e31
20
Vigesimal
j15djg1
36
Base36
k6f8dt
md5
daeace01982a2b5cc058187de0b6cb1c
sha1
83bf7322ed27e6af065ed7737b94a924bc327578
sha256
67f642091921d2df5f8114f5142a44cecccae98eeb6dfe1d2cabf81228933361
sha512
0e411ee741781b19c398b68e83f9d1f8c06011893ae34cecaf6c8eb8136649b9f6578a57317f5ab487378ec10ff70b930e9d2a364be1e231b398e5d1b1725f7d
ripemd-160
60ac1fe503109eeb55faad34cb68d14365af7542
Diameter
2440223842
Circumference
7666189295.1419
Area
4.6768044738226E+18
Volume
7.6082998542628E+27
Surface area
1.870721789529E+19
Circumference
7666189295.1419
Perimeter
4880447684
Area
1488673099766310241
Diagonal
1725498826.2913
Surface area
8932038598597861446
Volume
1.8163477954969E+27
Space diagonal
2113295838.0925
Perimeter
3660335763
Area
6.4461436116408E+17
Altitude
1056647919.0462
Surface area
6.4461436116408E+17
Volume
2.1405864053152E+26
Height
575166275.43043