121569387 is an odd 9-digits composite number following 121569386
and preceding 121569388 . In scientific notation, it is written as 1.21569387 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 78062400 positive integers (up to 121569387) that are relatively prime to 121569387.
121569387 has 8 divisors, whose sum is 162155520
The reverse of 121569387 is 783965121
Previous prime number is 3239
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred twenty-one million five hundred sixty-nine thousand three hundred eighty-seven
Scientific notation
1.21569387 × 10^8
Engineering notation
1.21569387 × 10^6
Prime Factorization
3 × 3239 × 12511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
121569387
Product of the distinct prime numbers
The prime factorization of 121569387 is 3 × 3239 × 12511.
Since it has a total of 3 prime factors.
8 , 1 , 76 , 40 , 340 , 424 , 4713 , 9181 , 76966 , 67417 , 96151 , 39302 , 8363048 , 4965551 , 1348413 , 64855840 , 754544374 , 725151245 , 6086912160 , 8933225918
n×2
243138774
n×3
364708161
n×4
486277548
n×5
607846935
n÷2
60784693.5
n÷3
40523129
n÷3
30392346.75
n÷5
24313877.4
n2
14779115855555769
n3
1.7966880549619E+24
n4
2.1842226547194E+32
n5
2.6553460920575E+40
2 √n
11025.850851522
3 √n
495.38335368227
4 √n
105.00405159574
5 √n
41.396616433479
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
-121569386
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 121569387 can be divided by 8 positive divisors.
The sum of these divisors (counting 121569387) is 1, the average is 0.125.
Base
System
Value
2
Binary
111001111110000000001101011
3
Ternary
22110202100211220
4
Quaternary
13033300001223
5
Quinary
222110210022
6
Senary
20021353123
8
Octal
717600153
10
Decimal
121569387
12
Duodecimal
348687a3
16
Hexadecimal
73f006b
20
Vigesimal
1hjg397
36
Base36
20dnjf
md5
682f8fee00b20041bebbc006c3888bbc
sha1
597e97ce163df742cc56e21aef831d4c9f3a020a
sha256
e67bdfca258d4752249a2f6e7b5c97daf8d0098ab7fc045fff9b20a1dca4107f
sha512
e6f5d372c14263ef3879c08fae1cc1ccced4bda7bc2176efff076c83506fca17a4faf0f6bc4fb67bcc096dcd284db577ff6bfe200c318eb24c019c01d841c67d
ripemd-160
77ea64177cabd6114c6781906e2e7f0ebf268bad
Diameter
243138774
Circumference
763842986.20123
Area
4.6429961798366E+16
Volume
7.5259493256811E+24
Surface area
1.8571984719347E+17
Circumference
763842986.20123
Perimeter
486277548
Area
14779115855555769
Diagonal
171925075.86478
Surface area
88674695133334614
Volume
1.7966880549619E+24
Space diagonal
210564354.929
Perimeter
364708161
Area
6.3995448881923E+15
Altitude
105282177.4645
Surface area
6.3995448881923E+15
Volume
2.1174171789007E+23
Height
57308358.621594