121382215 is an odd 9-digits composite number following 121382214
and preceding 121382216 . In scientific notation, it is written as 1.21382215 × 10^8.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 96743712 positive integers (up to 121382215) that are relatively prime to 121382215.
121382215 has 8 divisors, whose sum is 146201760
The reverse of 121382215 is 512283121
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-one million three hundred eighty-two thousand two hundred fifteen
Scientific notation
1.21382215 × 10^8
Engineering notation
1.21382215 × 10^6
Prime Factorization
5 × 269 × 90247
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121382215
Product of the distinct prime numbers
The prime factorization of 121382215 is 5 × 269 × 90247.
Since it has a total of 3 prime factors.
1 , 9 , 33 , 33 , 922 , 225 , 9168 , 3308 , 26873 , 60008 , 190157 , 232560 , 286703 , 1165742 , 93237733 , 2959215 , 578870394 , 76500031 , 9554330792 , 8426554588
n×2
242764430
n×3
364146645
n×4
485528860
n×5
606911075
n÷2
60691107.5
n÷3
40460738.333333
n÷3
30345553.75
n÷5
24276443
n2
14733642118306225
n3
1.7884021153373E+24
n4
2.1708021007033E+32
n5
2.6349676731002E+40
2 √n
11017.359710929
3 √n
495.12898723376
4 √n
104.9636113657
5 √n
41.383861472881
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
-121382214
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 121382215 can be divided by 8 positive divisors.
The sum of these divisors (counting 121382215) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111000010010101000111
3
Ternary
22110101212002121
4
Quaternary
13033002111013
5
Quinary
222033212330
6
Senary
20013350411
8
Octal
717022507
10
Decimal
121382215
12
Duodecimal
34798407
16
Hexadecimal
73c2547
20
Vigesimal
1hicfaf
36
Base36
209n47
md5
e9896436f56cdab51c21a91d02507eb5
sha1
432baaf8845ac38c96efb14122a41540495d580f
sha256
e9e1e18e4afdee423b834bb128d092f850a61178a1627dbe195015d0716b44e6
sha512
d8542e576b7ac34920cec826c943c52b1d116ea981ca347a4347cd67db1289ae06de5fd924606613d7dd41afb0ce2fd11d623a60bce2027b160f5c820c5f47a5
ripemd-160
6f18882f42f08fab7617e818dc928eb9adba7f19
Diameter
242764430
Circumference
762666949.84091
Area
4.6287101839492E+16
Volume
7.4912412629441E+24
Surface area
1.8514840735797E+17
Circumference
762666949.84091
Perimeter
485528860
Area
14733642118306225
Diagonal
171660374.68389
Surface area
88401852709837350
Volume
1.7884021153373E+24
Space diagonal
210240163.51525
Perimeter
364146645
Area
6.3798541823608E+15
Altitude
105120081.75762
Surface area
6.3798541823608E+15
Volume
2.1076521054056E+23
Height
57220124.894629