121372105 is an odd 9-digits composite number following 121372104
and preceding 121372106 . In scientific notation, it is written as 1.21372105 × 10^8.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 93356032 positive integers (up to 121372105) that are relatively prime to 121372105.
121372105 has 16 divisors, whose sum is 151301520
The reverse of 121372105 is 501273121
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 22
Digital Root 4
Name
one hundred twenty-one million three hundred seventy-two thousand one hundred five
Scientific notation
1.21372105 × 10^8
Engineering notation
1.21372105 × 10^6
Prime Factorization
5 × 29 × 257 × 3257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121372105
Product of the distinct prime numbers
The prime factorization of 121372105 is 5 × 29 × 257 × 3257.
Since it has a total of 4 prime factors.
2 , 4 , 88 , 77 , 878 , 165 , 2425 , 1549 , 95763 , 29148 , 519185 , 142935 , 9880300 , 6905671 , 18889120 , 20029875 , 299515314 , 296767022 , 7257754767 , 1505914547
n×2
242744210
n×3
364116315
n×4
485488420
n×5
606860525
n÷2
60686052.5
n÷3
40457368.333333
n÷3
30343026.25
n÷5
24274421
n2
14731187872131025
n3
1.787955281191E+24
n4
2.1700789612402E+32
n5
2.6338705154194E+40
2 √n
11016.900880012
3 √n
495.11524031858
4 √n
104.96142567635
5 √n
41.383172072413
1 , 5 , 29 , 145 , 257 , 1285 , 3257 , 7453 , 16285 , 37265 , 94453 , 472265 , 837049 , 4185245 , 24274421 , 121372105
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
-121372104
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 121372105 can be divided by 16 positive divisors.
The sum of these divisors (counting 121372105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001110111111110111001001
3
Ternary
22110101100020011
4
Quaternary
13032333313021
5
Quinary
222032401410
6
Senary
20013231521
8
Octal
716776711
10
Decimal
121372105
12
Duodecimal
347925a1
16
Hexadecimal
73bfdc9
20
Vigesimal
1hiba55
36
Base36
209fbd
md5
6a7eb16d8adb61cc96aa56d9a9e20f4f
sha1
f5a5601cdcf8bec1c8afddb011ed1b89be14757c
sha256
e212652d4922d20764b274f4757dbf3bee1f9563b4758ace2938f80599c98d55
sha512
03021023abb0166cac4648f8ffafe78818bd9de4e1bdd34cb17c46f7b1825826762c2025a06a3fcf142cd4e50eaa279df54569cebb5ba98026cc13ba12d3b2a2
ripemd-160
3bcae0dabf910401305a7c1da9d2e5ddfc9c5116
Diameter
242744210
Circumference
762603426.83746
Area
4.6279391597738E+16
Volume
7.489369568449E+24
Surface area
1.8511756639095E+17
Circumference
762603426.83746
Perimeter
485488420
Area
14731187872131025
Diagonal
171646076.98477
Surface area
88387127232786150
Volume
1.787955281191E+24
Space diagonal
210222652.48158
Perimeter
364116315
Area
6.3787914625933E+15
Altitude
105111326.24079
Surface area
6.3787914625933E+15
Volume
2.1071255063141E+23
Height
57215358.994924