121520745 is an odd 9-digits composite number following 121520744
and preceding 121520746 . In scientific notation, it is written as 1.21520745 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 64534176 positive integers (up to 121520745) that are relatively prime to 121520745.
121520745 has 16 divisors, whose sum is 173568000
The reverse of 121520745 is 547025121
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-one million five hundred twenty thousand seven hundred forty-five
Scientific notation
1.21520745 × 10^8
Engineering notation
1.21520745 × 10^6
Prime Factorization
3 × 15 × 239 × 11299
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
121520745
Product of the distinct prime numbers
The prime factorization of 121520745 is 3 × 15 × 239 × 11299.
Since it has a total of 4 prime factors.
3 , 1 , 31 , 91 , 319 , 798 , 7396 , 3975 , 94801 , 91563 , 261908 , 767427 , 2180922 , 730054 , 35021029 , 6271458 , 567169162 , 832921233 , 844418207 , 9562801854
n×2
243041490
n×3
364562235
n×4
486082980
n×5
607603725
n÷2
60760372.5
n÷3
40506915
n÷3
30380186.25
n÷5
24304149
n2
14767291465355025
n3
1.7945322605021E+24
n4
2.1807289722275E+32
n5
2.6500380934817E+40
2 √n
11023.64481467
3 √n
495.31727440524
4 √n
104.9935465382
5 √n
41.393303203699
1 , 3 , 15 , 45 , 239 , 717 , 3585 , 10755 , 11299 , 33897 , 169485 , 508455 , 2700461 , 8101383 , 40506915 , 121520745
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
-121520744
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 121520745 can be divided by 16 positive divisors.
The sum of these divisors (counting 121520745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111001111100100001001101001
3
Ternary
22110122220010100
4
Quaternary
13033210021221
5
Quinary
222102130440
6
Senary
20020340013
8
Octal
717441151
10
Decimal
121520745
12
Duodecimal
34844609
16
Hexadecimal
73e4269
20
Vigesimal
1hja1h5
36
Base36
20cm09
md5
b1b3399afb5924b7c853afc66fcb1952
sha1
20ffe150a64023a30a1f1e6b7eeab61590a1ea79
sha256
bd5becabea936faaa9e7198ebb879ef7adad345ab904c948511a1e7b1a439681
sha512
4f7eb229307ebefbe7d56b833196f47d0e7d1a8579054e105c37d8c463102c10bf0d2dae6188e82b98dd82095e0795e284b67b1cb1218b476ce19308eb6f0f70
ripemd-160
2fea77bbd42b870f4d40dd76a8564e0057dbf931
Diameter
243041490
Circumference
763537359.50152
Area
4.6392814380979E+16
Volume
7.5169191549643E+24
Surface area
1.8557125752391E+17
Circumference
763537359.50152
Perimeter
486082980
Area
14767291465355025
Diagonal
171856285.68868
Surface area
88603748792130150
Volume
1.7945322605021E+24
Space diagonal
210480104.51362
Perimeter
364562235
Area
6.3944247770433E+15
Altitude
105240052.25681
Surface area
6.3944247770433E+15
Volume
2.1148765507651E+23
Height
57285428.562894