121569391 is an odd 9-digits composite number following 121569390
and preceding 121569392 . In scientific notation, it is written as 1.21569391 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 115170984 positive integers (up to 121569391) that are relatively prime to 121569391.
121569391 has 4 divisors, whose sum is 127967800
The reverse of 121569391 is 193965121
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-one million five hundred sixty-nine thousand three hundred ninety-one
Scientific notation
1.21569391 × 10^8
Engineering notation
1.21569391 × 10^6
Prime Factorization
19 × 6398389
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
121569391
Product of the distinct prime numbers
The prime factorization of 121569391 is 19 × 6398389.
Since it has a total of 2 prime factors.
9 , 1 , 96 , 60 , 713 , 329 , 8335 , 9922 , 93508 , 59341 , 57709 , 187424 , 4106616 , 2192139 , 45996943 , 69409696 , 488094311 , 210722562 , 9518837025 , 7162584545
n×2
243138782
n×3
364708173
n×4
486277564
n×5
607846955
n÷2
60784695.5
n÷3
40523130.333333
n÷3
30392347.75
n÷5
24313878.2
n2
14779116828110881
n3
1.7966882323113E+24
n4
2.1842229421895E+32
n5
2.6553465289021E+40
2 √n
11025.851032914
3 √n
495.38335911547
4 √n
105.00405245948
5 √n
41.396616705894
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-121569390
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 121569391 can be divided by 4 positive divisors.
The sum of these divisors (counting 121569391) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001111110000000001101111
3
Ternary
22110202100212001
4
Quaternary
13033300001233
5
Quinary
222110210031
6
Senary
20021353131
8
Octal
717600157
10
Decimal
121569391
12
Duodecimal
348687a7
16
Hexadecimal
73f006f
20
Vigesimal
1hjg39b
36
Base36
20dnjj
md5
fc2c99883a9df9f731ec0588109110da
sha1
5c057c3fd0f2b40890382eea4e7286994823caed
sha256
cc3af8a63f4865d26efc69200477124d5cc01f284048eaf0d589cd19c617828f
sha512
a3bfcad20bafe6b92101a4317a1704c8d4d7bb04e95a674f703b88d0a028978830ce87e4992605984ad484a0411dc999846478ec86151784ce53a1e0d07420ef
ripemd-160
305fdf8577e8cfe6ef250aa7ff81d322a335d2c5
Diameter
243138782
Circumference
763843011.33397
Area
4.6429964853738E+16
Volume
7.5259500685605E+24
Surface area
1.8571985941495E+17
Circumference
763843011.33397
Perimeter
486277564
Area
14779116828110881
Diagonal
171925081.52164
Surface area
88674700968665286
Volume
1.7966882323113E+24
Space diagonal
210564361.85721
Perimeter
364708173
Area
6.3995453093211E+15
Altitude
105282180.9286
Surface area
6.3995453093211E+15
Volume
2.117417387909E+23
Height
57308360.507213