121969939 is an odd 9-digits composite number following 121969938
and preceding 121969940 . In scientific notation, it is written as 1.21969939 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 96503616 positive integers (up to 121969939) that are relatively prime to 121969939.
121969939 has 8 divisors, whose sum is 150116960
The reverse of 121969939 is 939969121
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred twenty-one million nine hundred sixty-nine thousand nine hundred thirty-nine
Scientific notation
1.21969939 × 10^8
Engineering notation
1.21969939 × 10^6
Prime Factorization
13 × 7 × 1340329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121969939
Product of the distinct prime numbers
The prime factorization of 121969939 is 13 × 7 × 1340329.
Since it has a total of 3 prime factors.
1 , 1 , 36 , 37 , 854 , 589 , 2971 , 5692 , 34250 , 82856 , 697799 , 511368 , 4681606 , 9607985 , 37626249 , 55011641 , 701579546 , 634423241 , 2676079245 , 6859275909
n×2
243939878
n×3
365909817
n×4
487879756
n×5
609849695
n÷2
60984969.5
n÷3
40656646.333333
n÷3
30492484.75
n÷5
24393987.8
n2
14876666019663721
n3
1.8145060469418E+24
n4
2.2131519186062E+32
n5
2.6993800451013E+40
2 √n
11044.00013582
3 √n
495.92682729751
4 √n
105.09043788956
5 √n
41.42385961969
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
-121969938
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 121969939 can be divided by 8 positive divisors.
The sum of these divisors (counting 121969939) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010001010001110100010011
3
Ternary
22111111201022011
4
Quaternary
13101101310103
5
Quinary
222211014224
6
Senary
20034123351
8
Octal
721216423
10
Decimal
121969939
12
Duodecimal
34a20557
16
Hexadecimal
7451d13
20
Vigesimal
1i264gj
36
Base36
20m8lv
md5
d3bdd4d24b3639c2fca1ba4189ff47c5
sha1
75900bdfe69193c2ea1501f77abadd7aa4afe7b0
sha256
fe1106034653ca5c88b6f8943a528bb58981749422d624966a8ee66dd3b28823
sha512
498f590a5883368221eddf662a9f08b4842c63b38866e4579c211396ef5574a9f514934446f3fbdda2dd291c4fa8b3b26dbcb7c897635b942458c2ddafebef79
ripemd-160
ce725f74211db98dbc10c519b127c4cdc81da236
Diameter
243939878
Circumference
766359728.64239
Area
4.6736424677284E+16
Volume
7.6005851559553E+24
Surface area
1.8694569870914E+17
Circumference
766359728.64239
Perimeter
487879756
Area
14876666019663721
Diagonal
172491541.93562
Surface area
89259996117982326
Volume
1.8145060469418E+24
Space diagonal
211258131.34408
Perimeter
365909817
Area
6.4417853483228E+15
Altitude
105629065.67204
Surface area
6.4417853483228E+15
Volume
2.1384158838275E+23
Height
57497180.645206